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British Standard A single copy of this British Standard is licensed to Giorgio Cavalieri on January 29, 2001 This is an uncontrolled copy. Ensure use of the most current version of this standard by searching British Standards Online at bsonline.techindex.co.uk
BRITISH STANDARD
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Structural steel sections — Part 1: Specification for hot-rolled sections
ICS 77.140.70
BS 4-1:1993 Incorporating Amendment No. 1
BS 4-1:1993
Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Iron and Steel Standards Policy Committee (ISM/-) to Technical Committee ISM/13, upon which the following bodies were represented:
This British Standard, having been prepared under the direction of the Iron and Steel Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 December 1993 © BSI 02-2001 First published November 1903 Second edition August 1921 Third edition March 1932 Fourth edition February 1962 Fifth edition January 1972 Sixth edition November 1980 Seventh edition December 1993 The following BSI references relate to the work on this standard: Committee reference ISM/13 Draft for comment 92/45671 DC ISBN 0 580 21637 3
Amendments issued since publication Amd. No.
Date
Comments
10598
February 2001
Addition of Table 9 and correction to Table 8.
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
BEAMA Ltd. British Constructional Steelwork Association Ltd. British Steel Industry Health and Safety Executive National Association of Steel Stockholders
BS 4-1:1993
Contents Committees responsible Foreword
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
1 2 3 4 5 6 7
Scope Normative reference Designation Tolerances on universal beams, columns and bearing piles Mass and length tolerances for joists and channels Tolerance on depth of section for joists and channels Dimensions of hot-rolled structural steel sections
Table 1 — Tolerances on nominal depth of joists and channels Table 2 — Universal beams Table 3 — Universal columns Table 4 — Universal bearing piles Table 5 — Joists with taper flanges Table 6 — Structural tees cut from universal beams Table 7 — Structural tees cut from universal columns Table 8 — Taper flange channels Table 9 — Parallel flange channels List of references
© BSI 02-2001
Page Inside front cover ii 1 1 1 1 1 1 1 1 2 5 7 8 9 12 13 14 Inside back cover
i
BS 4-1:1993
Foreword
Compliance with a British Standard does not of itself confer immunity from legal obligations.
Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 14, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.
ii
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
This part of BS 4 has been prepared under the direction of the Iron and Steel Standards Policy Committee and is a revision of BS 4-1:1980 which is withdrawn. The major reason for this revision is to delete the requirements for tolerances on beams, columns and bearing piles which are now contained in BS EN 10034, published simultaneously with this standard. The opportunity has also been taken to delete derived properties from the tables in the previous edition of this standard. The dimensions and masses of beams, columns and bearing piles have also been amended slightly to correct anomalies in Table 5 to Table 7 of BS 4-1:1980. Amendment No. 1 has been added to take into UK requirements for parallel flange channels. A British Standard does not purport to include all the necessary provisions of a contract. s of British Standards are responsible for their correct application.
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
1 Scope This part of BS 4 specifies the dimensions and mass of the following hot-rolled structural steel sections: universal beams universal columns universal bearing piles joists structural tees cut from universal beams structural tees cut from universal columns taper flange channels parallel flange channels Mass, length and depth tolerances for taper flange joists and channels are also given. NOTE Dimensional, mass, length and straightness tolerances for universal beams, columns and bearing piles are given in BS EN 10034.
2 Normative reference This part of BS 4 incorporates, by reference, provisions from another publication. The normative reference is cited at the appropriate point in the text and the publication is given on the inside back cover. Subsequent amendments to, or revisions of, this publication apply to this part of BS 4 only when incorporated in it by updating or revision.
3 Designation A section shall be designated by the serial size in millimetres (mm) and the mass per unit length in kilograms per metre (kg/m). This form of designation shall be used in any enquiry and order. Example a beam of 920.5 mm × 420.5 mm at 388 kg/m is designated 914 × 419 × 388 beam.
4 Tolerances on universal beams, columns and bearing piles Dimensional, mass, length and straightness tolerances on universal beams, columns and bearing piles shall be as given in BS EN 10034.
© BSI 02-2001
5 Mass and length tolerances for joists and channels 5.1 Mass Tolerances shall be applied to the actual mass per unit length of the joist or channel. The rolling tolerances shall be either: a) ± 2.5 % of the actual mass per unit length; or b) + 5 % of the actual mass per unit length where a minimum mass per unit length is ordered. 5.2 Length Joists or channels ordered as “specified” or as “exact” lengths shall be supplied as follows. a) Specified lengths. When a joist or channel is to be cut to a specified length, it shall be cut to within ± 25 mm of that length. When a minimum length is specified, it shall be cut to within + 50 mm of that minimum length. 0 b) Exact lengths. When a section is to be cut to an exact length, it shall be cold sawn to within ± 3.2 mm of that length.
6 Tolerance on depth of section for joists and channels The tolerance on the nominal depth of section shall be as given in Table 1. Table 1 — Tolerances on nominal depth of joists and channels Nominal depth Over
Up to and including
mm
mm
Maximum permissible variation from specified depth mm
mm
—
305
+ 3.2
– 0.8
305
381
+ 4.0
– 1.6
381
432
+ 4.8
– 1.6
7 Dimensions of hot-rolled structural steel sections The nominal dimensions of hot-rolled structural steel sections shall be as given in Table 2 to Table 9.
1
BS 4-1:1993
Table 2 — Universal beams
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
914 × 419 × 388 914 × 419 × 343
388.0 343.3
921.0 911.8
420.5 418.5
21.4 19.4
36.6 32.0
24.1 24.1
914 × 305 × 289 914 × 305 × 253 914 × 305 × 224 914 × 305 × 201
289.1 253.4 224.2 200.9
926.6 918.4 910.4 903.0
307.7 305.5 304.1 303.3
19.5 17.3 15.9 15.1
32.0 27.9 23.9 20.2
19.1 19.1 19.1 19.1
838 × 292 × 226 838 × 292 × 194 838 × 292 × 176
226.5 193.8 175.9
850.9 840.7 834.9
293.8 292.4 291.7
16.1 14.7 14.0
26.8 21.7 18.8
17.8 17.8 17.8
762 × 267 × 197 762 × 267 × 173 762 × 267 × 147 762 × 267 × 134
196.8 173.0 146.9 133.9
769.8 762.2 754.0 750.0
268.0 266.7 265.2 264.4
15.6 14.3 12.8 12.0
25.4 21.6 17.5 15.5
16.5 16.5 16.5 16.5
686 × 254 × 170 686 × 254 × 152 686 × 254 × 140 686 × 254 × 125
170.2 152.4 140.1 125.2
692.9 687.5 683.5 677.9
255.8 254.5 253.7 253.0
14.5 13.2 12.4 11.7
23.7 21.0 19.0 16.2
15.2 15.2 15.2 15.2
610 × 305 × 238 610 × 305 × 179 610 × 305 × 149
238.1 179.0 149.1
635.8 620.2 612.4
311.4 307.1 304.8
18.4 14.1 11.8
31.4 23.6 19.7
16.5 16.5 16.5
610 × 229 × 140 610 × 229 × 125 610 × 229 × 113 610 × 229 × 101
139.9 125.1 113.0 101.2
617.2 612.2 607.6 602.6
230.2 229.0 228.2 227.6
13.1 11.9 11.1 10.5
22.1 19.6 17.3 14.8
12.7 12.7 12.7 12.7
2
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Table 2 — Universal beams Section designation
Mass per unit length
533 × 210 × 122 533 × 210 × 109 533 × 210 × 101 533 × 210 × 92 533 × 210 × 82
122.0 109.0 101.0 92.1 82.2
544.5 539.5 536.7 533.1 528.3
211.9 210.8 210.0 209.3 208.8
12.7 11.6 10.8 10.1 9.6
21.3 18.8 17.4 15.6 13.2
12.7 12.7 12.7 12.7 12.7
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
kg/m
Depth h mm
Width b
Web s
mm
Flange t
mm
Root radius r
mm
mm
457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 ×
98 89 82 74 67
98.3 89.3 82.0 74.3 67.1
467.2 463.4 460.0 457.0 453.4
192.8 191.9 191.3 190.4 189.9
11.4 10.5 9.9 9.0 8.5
19.6 17.7 16.0 14.5 12.7
10.2 10.2 10.2 10.2 10.2
457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 ×
82 74 67 60 52
82.1 74.2 67.2 59.8 52.3
465.8 462.0 458.0 454.6 449.8
155.3 154.4 153.8 152.9 152.4
10.5 9.6 9.0 8.1 7.6
18.9 17.0 15.0 13.3 10.9
10.2 10.2 10.2 10.2 10.2
406 × 178 × 406 × 178 × 406 × 178 × 406 × 178 ×
74 67 60 54
74.2 67.1 60.1 54.1
412.8 409.4 406.4 402.6
179.5 178.8 177.9 177.7
9.5 8.8 7.9 7.7
16.0 14.3 12.8 10.9
10.2 10.2 10.2 10.2
406 × 140 × 46 406 × 140 × 39
46.0 39.0
403.2 398.0
142.2 141.8
6.8 6.4
11.2 8.6
10.2 10.2
356 × 171 × 356 × 171 × 356 × 171 × 356 × 171 ×
67 57 51 45
67.1 57.0 51.0 45.0
363.4 358.0 355.0 351.4
173.2 172.2 171.5 171.1
9.1 8.1 7.4 7.0
15.7 13.0 11.5 9.7
10.2 10.2 10.2 10.2
356 × 127 × 39 356 × 127 × 33
39.1 33.1
353.4 349.0
126.0 125.4
6.6 6.0
10.7 8.5
10.2 10.2
305 × 165 × 54 305 × 165 × 46 305 × 165 × 40
54.0 46.1 40.3
310.4 306.6 303.4
166.9 165.7 165.0
7.9 6.7 6.0
13.7 11.8 10.2
8.9 8.9 8.9
305 × 127 × 48 305 × 127 × 42 305 × 127 × 37
48.1 41.9 37.0
311.0 307.2 304.4
125.3 124.3 123.4
9.0 8.0 7.1
14.0 12.1 10.7
8.9 8.9 8.9
© BSI 02-2001
3
BS 4-1:1993
Table 2 — Universal beams Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
32.8 28.2 24.8
312.7 308.7 305.1
102.4 101.8 101.6
6.6 6.0 5.8
10.8 8.8 7.0
7.6 7.6 7.6
254 × 146 × 43 254 × 146 × 37 254 × 146 × 31
43.0 37.0 31.1
259.6 256.0 251.4
147.3 146.4 146.1
7.2 6.3 6.0
12.7 10.9 8.6
7.6 7.6 7.6
254 × 102 × 28 254 × 102 × 25 254 × 102 × 22
28.3 25.2 22.0
260.4 257.2 254.0
102.2 101.9 101.6
6.3 6.0 5.7
10.0 8.4 6.8
7.6 7.6 7.6
203 × 133 × 30 203 × 133 × 25
30.0 25.1
206.8 203.2
133.9 133.2
6.4 5.7
9.6 7.8
7.6 7.6
203 × 102 × 23 178 × 102 × 19 152 × 89 × 16 127 × 76 × 13
23.1 19.0 16.0 13.0
203.2 177.8 152.4 127.0
101.8 101.2 88.7 76.0
5.4 4.8 4.5 4.0
9.3 7.9 7.7 7.6
7.6 7.6 7.6 7.6
NOTE 1 NOTE 2
4
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
305 × 102 × 33 305 × 102 × 28 305 × 102 × 25
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 3 — Universal columns
Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
356 × 406 × 634 356 × 406 × 551 356 × 406 × 467 356 × 406 × 393 356 × 406 × 340 356 × 406 × 287 356 × 406 × 235
633.9 551.0 467.0 393.0 339.9 287.1 235.1
474.6 455.6 436.6 419.0 406.4 393.6 381.0
424.0 418.5 412.2 407.0 403.0 399.0 394.8
47.6 42.1 35.8 30.6 26.6 22.6 18.4
77.0 67.5 58.0 49.2 42.9 36.5 30.2
15.2 15.2 15.2 15.2 15.2 15.2 15.2
356 × 368 × 202 356 × 368 × 177 356 × 368 × 153 356 × 368 × 129
201.9 177.0 152.9 129.0
374.6 368.2 362.0 355.6
374.7 372.6 370.5 368.6
16.5 14.4 12.3 10.4
27.0 23.8 20.7 17.5
15.2 15.2 15.2 15.2
305 × 305 × 283 305 × 305 × 240 305 × 305 × 198 305 × 305 × 158 305 × 305 × 137 305 × 305 × 118 305 × 305 × 97
282.9 240.0 198.1 158.1 136.9 117.9 96.9
365.3 352.5 339.9 327.1 320.5 314.5 307.9
322.2 318.4 314.5 311.2 309.2 307.4 305.3
26.8 23.0 19.1 15.8 13.8 12.0 9.9
44.1 37.7 31.4 25.0 21.7 18.7 15.4
15.2 15.2 15.2 15.2 15.2 15.2 15.2
254 × 254 × 167 254 × 254 × 132 254 × 254 × 107 254 × 254 × 89 254 × 254 × 73
167.1 132.0 107.1 88.9 73.1
289.1 276.3 266.7 260.3 254.1
265.2 261.3 258.8 256.3 254.6
19.2 15.3 12.8 10.3 8.6
31.7 25.3 20.5 17.3 14.2
12.7 12.7 12.7 12.7 12.7
© BSI 02-2001
5
BS 4-1:1993
Table 3 — Universal columns Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
86.1 71.0 60.0 52.0 46.1
222.2 215.8 209.6 206.2 203.2
209.1 206.4 205.8 204.3 203.6
12.7 10.0 9.4 7.9 7.2
20.5 17.3 14.2 12.5 11.0
10.2 10.2 10.2 10.2 10.2
152 × 152 × 37 152 × 152 × 30 152 × 152 × 23
37.0 30.0 23.0
161.8 157.6 152.4
154.4 152.9 152.2
8.0 6.5 5.8
11.5 9.4 6.8
7.6 7.6 7.6
NOTE 1 NOTE 2
6
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
86 71 60 52 46
203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 ×
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 4 — Universal bearing piles
Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
356 × 368 × 174 356 × 368 × 152 356 × 368 × 133 356 × 368 × 109
173.9 152.0 133.0 108.9
361.4 356.4 352.0 346.4
378.5 376.0 373.8 371.0
20.3 17.8 15.6 12.8
20.4 17.9 15.7 12.9
15.2 15.2 15.2 15.2
305 × 305 × 223 305 × 305 × 186 305 × 305 × 149 305 × 305 × 126 305 × 305 × 110 305 × 305 × 95 305 × 305 × 88 305 × 305 × 79
222.9 186.0 149.1 126.1 110.0 94.9 88.0 78.9
337.9 328.3 318.5 312.3 307.9 303.7 301.7 299.3
325.7 320.9 316.0 312.9 310.7 308.7 307.8 306.4
30.3 25.5 20.6 17.5 15.3 13.3 12.4 11.0
30.4 25.6 20.7 17.6 15.4 13.3 12.3 11.1
15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2
254 × 254 × 85 254 × 254 × 71 254 × 254 × 63
85.1 71.0 63.0
254.3 249.7 247.1
260.4 258.0 256.6
14.4 12.0 10.6
14.3 12.0 10.7
12.7 12.7 12.7
203 × 203 × 54 203 × 203 × 45
53.9 44.9
204.0 200.2
207.7 205.9
11.3 9.5
11.4 9.5
10.2 10.2
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
7
BS 4-1:1993
Table 5 — Joists with taper flanges
mm
Mass per unit length
Depth of section h
Width of section b
kg/m
mm
mm
Thickness
Radius
Web s
Flange t
Root r1
Toe r2
mm
mm
mm
mm
254 × 203 × 82 254 × 114 × 37
82.0 37.2
254.0 254.0
203.2 114.3
10.2 7.6
19.9 12.8
19.6 12.4
9.7 6.1
203 × 152 × 52
52.3
203.2
152.4
8.9
16.5
15.5
7.6
152 × 127 × 37
37.3
152.4
127.0
10.4
13.2
13.5
6.6
127 × 114 × 29 127 × 114 × 27 127 × 76 × 16
29.3 26.9 16.5
127.0 127.0 127.0
114.3 114.3 76.2
10.2 7.4 5.6
11.5 11.4 9.6
9.9 9.9 9.4
4.8 5.0 4.6
114 × 114 × 27
26.9
114.3
114.3
9.5
10.7
14.2
3.2
102 × 102 × 23 102 × 44 × 7
23.0 7.5
101.6 101.6
101.6 44.5
9.5 4.3
10.3 6.1
11.1 6.9
3.2 3.3
89 × 89 × 19
19.5
88.9
88.9
9.5
9.9
11.1
3.2
76 × 76 × 15 76 × 76 × 13
15.0 12.8
76.2 76.2
80.0 76.2
8.9 5.1
8.4 8.4
9.4 9.4
4.6 4.6
NOTE 1 NOTE 2
8
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 6 — Structural tees cut from universal beams
Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
mm
305 × 457 × 127 305 × 457 × 112 305 × 457 × 101
126.7 112.1 100.4
914 × 305 × 253 914 × 305 × 224 914 × 305 × 201
305.5 304.1 303.3
459.1 455.1 451.4
17.3 15.9 15.1
27.9 23.9 20.2
19.1 19.1 19.1
292 × 419 × 113 292 × 419 × 97 292 × 419 × 88
113.2 96.9 87.9
838 × 292 × 226 838 × 292 × 194 838 × 292 × 176
293.8 292.4 291.7
425.4 420.3 417.4
16.1 14.7 14.0
26.8 21.7 18.8
17.8 17.8 17.8
267 × 381 × 99 267 × 381 × 87 267 × 381 × 74
98.3 86.5 73.4
762 × 267 × 197 762 × 267 × 173 762 × 267 × 147
268.0 266.7 265.2
384.8 381.0 376.9
15.6 14.3 12.8
25.4 21.6 17.5
16.5 16.5 16.5
254 × 343 × 254 × 343 × 254 × 343 × 254 × 343 ×
85 76 70 63
85.1 76.2 70.0 62.6
686 × 254 × 170 686 × 254 × 152 686 × 254 × 140 686 × 254 × 125
255.8 254.5 253.7 253.0
346.4 343.7 341.7 338.9
14.5 13.2 12.4 11.7
23.7 21.0 19.0 16.2
15.2 15.2 15.2 15.2
305 × 305 × 119 305 × 305 × 90 305 × 305 × 75
119.0 89.5 74.6
610 × 305 × 238 610 × 305 × 179 610 × 305 × 149
311.4 307.1 304.8
317.8 310.0 306.1
18.4 14.1 11.8
31.4 23.6 19.7
16.5 16.5 16.5
69.9 62.5 56.5 50.6
610 × 229 × 140 610 × 229 × 125 610 × 229 × 113 610 × 229 × 101
230.2 229.0 228.2 227.6
308.5 306.0 303.7 301.2
13.1 11.9 11.1 10.5
22.1 19.6 17.3 14.8
12.7 12.7 12.7 12.7
229 × 305 × 229 × 305 × 229 × 305 × 229 × 305 ×
© BSI 02-2001
70 63 57 51
9
BS 4-1:1993
Table 6 — Structural tees cut from universal beams Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
61.0 54.5 50.5 46.0 41.1
533 × 210 × 122 533 × 210 × 109 533 × 210 × 101 533 × 210 × 92 533 × 210 × 82
211.9 210.8 210.0 209.3 208.8
272.2 269.7 268.3 266.5 264.1
12.7 11.6 10.8 10.1 9.6
21.3 18.8 17.4 15.6 13.2
12.7 12.7 12.7 12.7 12.7
191 × 229 × 49 191 × 229 × 45 191 × 229 × 41 191 × 229 × 37 191 × 229 × 34
49.1 44.6 41.0 37.1 33.5
457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 ×
98 89 82 74 67
192.8 191.9 191.3 190.4 189.9
233.5 231.6 229.9 228.4 226.6
11.4 10.5 9.9 9.0 8.5
19.6 17.7 16.0 14.5 12.7
10.2 10.2 10.2 10.2 10.2
152 × 229 × 41 152 × 229 × 37 152 × 229 × 34 152 × 229 × 30 152 × 229 × 26
41.0 37.1 33.6 29.9 26.1
457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 ×
82 74 67 60 52
155.3 154.4 153.8 152.9 152.4
232.8 230.9 228.9 227.2 224.8
10.5 9.6 9.0 8.1 7.6
18.9 17.0 15.0 13.3 10.9
10.2 10.2 10.2 10.2 10.2
178 × 203 × 37 178 × 203 × 34 178 × 203 × 30 178 × 203 × 27
37.1 33.5 30.0 27.0
406 × 178 × 406 × 178 × 406 × 178 × 406 × 178 ×
74 67 60 54
179.5 178.8 177.9 177.7
206.3 204.6 203.1 201.2
9.5 8.8 7.9 7.7
16.0 14.3 12.8 10.9
10.2 10.2 10.2 10.2
140 × 203 × 23 140 × 203 × 20
23.0 19.5
406 × 140 × 46 406 × 140 × 39
142.2 141.8
201.5 198.9
6.8 6.4
11.2 8.6
10.2 10.2
171 × 178 × 34 171 × 178 × 29 171 × 178 × 26 171 × 178 × 23
33.5 28.5 25.5 22.5
356 × 171 × 356 × 171 × 356 × 171 × 356 × 171 ×
67 57 51 45
173.2 172.2 171.5 171.1
181.6 178.9 177.4 175.6
9.1 8.1 7.4 7.0
15.7 13.0 11.5 9.7
10.2 10.2 10.2 10.2
127 × 178 × 20 127 × 178 × 17
19.5 16.5
356 × 127 × 39 356 × 127 × 33
126.0 125.4
176.6 174.4
6.6 6.0
10.7 8.5
10.2 10.2
165 × 152 × 27 165 × 152 × 23 165 × 152 × 20
27.0 23.0 20.1
305 × 165 × 54 305 × 165 × 46 305 × 165 × 40
166.9 165.7 165.0
155.1 153.2 151.6
7.9 6.7 6.0
13.7 11.8 10.2
8.9 8.9 8.9
127 × 152 × 24 127 × 152 × 21 127 × 152 × 19
24.0 20.9 18.5
305 × 127 × 48 305 × 127 × 42 305 × 127 × 37
125.3 124.3 123.4
155.4 153.5 152.1
9.0 8.0 7.1
14.0 12.1 10.7
8.9 8.9 8.9
10
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
210 × 267 × 61 210 × 267 × 55 210 × 267 × 51 210 × 267 × 46 210 × 267 × 41
BS 4-1:1993
Table 6 — Structural tees cut from universal beams Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
kg/m
mm
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
mm
102 × 152 × 17 102 × 152 × 14 102 × 152 × 13
16.4 14.1 12.4
305 × 102 × 33 305 × 102 × 28 305 × 102 × 25
102.4 101.8 101.6
156.3 154.3 152.5
6.6 6.0 5.8
10.8 8.8 7.0
7.6 7.6 7.6
146 × 127 × 22 146 × 127 × 19 146 × 127 × 16
21.5 18.5 15.5
254 × 146 × 43 254 × 146 × 37 254 × 146 × 31
147.3 146.4 146.1
129.7 127.9 125.6
7.2 6.3 6.0
12.7 10.9 8.6
7.6 7.6 7.6
102 × 127 × 14 102 × 127 × 13 102 × 127 × 11
14.1 12.6 11.0
254 × 102 × 28 254 × 102 × 25 254 × 102 × 22
102.2 101.9 101.6
130.1 128.5 126.9
6.3 6.0 5.7
10.0 8.4 6.8
7.6 7.6 7.6
133 × 102 × 15 133 × 102 × 13
15.0 12.5
203 × 133 × 30 203 × 133 × 25
133.9 133.2
103.3 101.5
6.4 5.7
9.6 7.8
7.6 7.6
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
11
BS 4-1:1993
Table 7 — Structural tees cut from universal columns
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
mm
Thickness
Root radius r
Web s
Flange t
mm
mm
mm
406 × 178 × 118
117.5
356 × 406 × 235
394.8
190.4
18.4
30.2
15.2
368 × 178 × 101 368 × 178 × 89 368 × 178 × 77 368 × 178 × 65
100.9 88.5 76.4 64.5
356 × 368 × 202 356 × 368 × 177 356 × 368 × 153 356 × 368 × 129
374.7 372.6 370.5 368.6
187.2 184.0 180.9 177.7
16.5 14.4 12.3 10.4
27.0 23.8 20.7 17.5
15.2 15.2 15.2 15.2
305 × 152 × 305 × 152 × 305 × 152 × 305 × 152 ×
79 69 59 49
79.0 68.4 58.9 48.4
305 × 305 × 158 305 × 305 × 137 305 × 305 × 118 305 × 305 × 97
311.2 309.2 307.4 305.3
163.5 160.2 157.2 153.9
15.8 13.8 12.0 9.9
25.0 21.7 18.7 15.4
15.2 15.2 15.2 15.2
254 × 127 × 254 × 127 × 254 × 127 × 254 × 127 ×
66 54 45 37
66.0 53.5 44.4 36.5
254 × 254 × 132 254 × 254 × 107 254 × 254 × 89 254 × 254 × 73
261.3 258.8 256.3 254.6
138.1 133.3 130.1 127.0
15.3 12.8 10.3 8.6
25.3 20.5 17.3 14.2
12.7 12.7 12.7 12.7
203 × 102 × 203 × 102 × 203 × 102 × 203 × 102 × 203 × 102 ×
43 36 30 26 23
43.0 35.5 30.0 26.0 23.0
203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 ×
86 71 60 52 46
209.1 206.4 205.8 204.3 203.6
111.0 107.8 104.7 103.0 101.5
12.7 10.0 9.4 7.9 7.2
20.5 17.3 14.2 12.5 11.0
10.2 10.2 10.2 10.2 10.2
152 × 76 × 19 152 × 76 × 15 152 × 76 × 12
18.5 15.0 11.5
152 × 152 × 37 152 × 152 × 30 152 × 152 × 23
154.4 152.9 152.2
80.8 78.7 76.1
8.0 6.5 5.8
11.5 9.4 6.8
7.6 7.6 7.6
NOTE 1 NOTE 2
12
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 8 — Taper flange channels
Section designation
Mass per unit length
kg/m
Depth of section h
mm
Width of section b
mm
Thickness
Radius
Depth between fillets d
Web s
Flange t
Root r1
Toe r2
mm
mm
mm
mm
mm
432 × 102 × 65
65.5
431.8
101.6
12.2
16.8
15.2
4.8
362.4
381 × 102 × 55
55.0
381.0
101.6
10.4
16.3
15.2
4.8
312.4
305 × 102 × 46 305 × 89 × 42
46.2 41.8
304.8 304.8
101.6 88.9
10.2 10.2
14.8 13.7
15.2 13.7
4.8 3.2
239.2 245.4
254 × 89 × 36 254 × 76 × 28
35.7 28.2
254.0 254.0
88.9 76.2
9.1 8.1
13.6 10.9
13.7 12.2
3.2 3.2
194.7 203.8
229 × 89 × 33 229 × 76 × 26
32.7 26.1
228.6 228.6
88.9 76.2
8.6 7.6
13.3 11.2
13.7 12.2
3.2 3.2
169.8 178.0
203 × 89 × 30 203 × 76 × 24
29.8 23.9
203.2 203.2
88.9 76.2
8.1 7.1
12.9 11.2
13.7 12.2
3.2 3.2
145.2 152.5
178 × 89 × 27 178 × 76 × 21
26.8 20.8
177.8 177.8
88.9 76.2
7.6 6.6
12.3 10.3
13.7 12.2
3.2 3.2
121.0 128.8
152 × 89 × 24 152 × 76 × 18
23.9 17.9
152.4 152.4
88.9 76.2
7.1 6.4
11.6 9.0
13.7 12.2
3.2 2.4
97.0 105.9
127 × 64 × 15
14.9
127.0
63.5
6.4
9.2
10.7
2.4
84.0
102 × 51 × 10 76 × 38 × 7
10.4 6.7
101.6 76.2
50.8 38.1
6.1 5.1
7.6 6.8
9.1 7.6
2.4 2.4
65.7 45.8
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
13
BS 4-1:1993
Table 9 — Parallel flange channels
b Y
X
t
X
s Section designation
Y Mass per unit length
Depth h
kg/m
Width b
mm
mm
Web s mm
Flange t
Root radius r
mm
mm
430 × 100 × 64
64.4
430
100
11.0
19.0
15
380 × 100 × 54
54.0
380
100
9.5
17.5
15
300 × 100 × 46 300 × 90 × 41
45.5 41.4
300 300
100 90
9.0 9.0
16.5 15.5
15 12
260 × 90 × 35 260 × 75 × 28
34.8 27.6
260 260
90 75
8.0 7.0
14.0 12.0
12 12
230 × 90 × 32 230 × 75 × 26
32.2 25.7
230 230
90 75
7.5 6.5
14.0 12.5
12 12
200 × 90 × 30 200 × 75 × 23
29.7 23.4
200 200
90 75
7.0 6.0
14.0 12.5
12 12
180 × 90 × 26 180 × 75 × 20
26.1 20.3
180 180
90 75
6.5 6.0
12.5 10.5
12 12
150 × 90 × 24 150 × 75 × 18
23.9 17.9
150 150
90 75
6.5 5.5
12.0 10.0
12 12
125 × 65 × 15
14.8
125
65
5.5
9.5
12
100 × 50 × 10
10.2
100
50
5.0
8.5
9
14
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
h
r
BS 4-1:1993
List of references (see clause 2) Normative reference
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
BS EN 10034:1993, Structural steel I and H sections — Tolerances on shape and dimensions.
© BSI 02-2001
BSI Ð British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. s of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. Standards are also available from the BSI website at http://www.bsi-global.com. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits hip istration. Tel: 020 8996 7002. Fax: 020 8996 7001. Further information about BSI is available on the BSI website at http://www.bsi-global.com. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means ± electronic, photocopying, recording or otherwise ± without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.
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BRITISH STANDARD
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Structural steel sections — Part 1: Specification for hot-rolled sections
ICS 77.140.70
BS 4-1:1993 Incorporating Amendment No. 1
BS 4-1:1993
Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Iron and Steel Standards Policy Committee (ISM/-) to Technical Committee ISM/13, upon which the following bodies were represented:
This British Standard, having been prepared under the direction of the Iron and Steel Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 December 1993 © BSI 02-2001 First published November 1903 Second edition August 1921 Third edition March 1932 Fourth edition February 1962 Fifth edition January 1972 Sixth edition November 1980 Seventh edition December 1993 The following BSI references relate to the work on this standard: Committee reference ISM/13 Draft for comment 92/45671 DC ISBN 0 580 21637 3
Amendments issued since publication Amd. No.
Date
Comments
10598
February 2001
Addition of Table 9 and correction to Table 8.
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
BEAMA Ltd. British Constructional Steelwork Association Ltd. British Steel Industry Health and Safety Executive National Association of Steel Stockholders
BS 4-1:1993
Contents Committees responsible Foreword
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
1 2 3 4 5 6 7
Scope Normative reference Designation Tolerances on universal beams, columns and bearing piles Mass and length tolerances for joists and channels Tolerance on depth of section for joists and channels Dimensions of hot-rolled structural steel sections
Table 1 — Tolerances on nominal depth of joists and channels Table 2 — Universal beams Table 3 — Universal columns Table 4 — Universal bearing piles Table 5 — Joists with taper flanges Table 6 — Structural tees cut from universal beams Table 7 — Structural tees cut from universal columns Table 8 — Taper flange channels Table 9 — Parallel flange channels List of references
© BSI 02-2001
Page Inside front cover ii 1 1 1 1 1 1 1 1 2 5 7 8 9 12 13 14 Inside back cover
i
BS 4-1:1993
Foreword
Compliance with a British Standard does not of itself confer immunity from legal obligations.
Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 14, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.
ii
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
This part of BS 4 has been prepared under the direction of the Iron and Steel Standards Policy Committee and is a revision of BS 4-1:1980 which is withdrawn. The major reason for this revision is to delete the requirements for tolerances on beams, columns and bearing piles which are now contained in BS EN 10034, published simultaneously with this standard. The opportunity has also been taken to delete derived properties from the tables in the previous edition of this standard. The dimensions and masses of beams, columns and bearing piles have also been amended slightly to correct anomalies in Table 5 to Table 7 of BS 4-1:1980. Amendment No. 1 has been added to take into UK requirements for parallel flange channels. A British Standard does not purport to include all the necessary provisions of a contract. s of British Standards are responsible for their correct application.
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
1 Scope This part of BS 4 specifies the dimensions and mass of the following hot-rolled structural steel sections: universal beams universal columns universal bearing piles joists structural tees cut from universal beams structural tees cut from universal columns taper flange channels parallel flange channels Mass, length and depth tolerances for taper flange joists and channels are also given. NOTE Dimensional, mass, length and straightness tolerances for universal beams, columns and bearing piles are given in BS EN 10034.
2 Normative reference This part of BS 4 incorporates, by reference, provisions from another publication. The normative reference is cited at the appropriate point in the text and the publication is given on the inside back cover. Subsequent amendments to, or revisions of, this publication apply to this part of BS 4 only when incorporated in it by updating or revision.
3 Designation A section shall be designated by the serial size in millimetres (mm) and the mass per unit length in kilograms per metre (kg/m). This form of designation shall be used in any enquiry and order. Example a beam of 920.5 mm × 420.5 mm at 388 kg/m is designated 914 × 419 × 388 beam.
4 Tolerances on universal beams, columns and bearing piles Dimensional, mass, length and straightness tolerances on universal beams, columns and bearing piles shall be as given in BS EN 10034.
© BSI 02-2001
5 Mass and length tolerances for joists and channels 5.1 Mass Tolerances shall be applied to the actual mass per unit length of the joist or channel. The rolling tolerances shall be either: a) ± 2.5 % of the actual mass per unit length; or b) + 5 % of the actual mass per unit length where a minimum mass per unit length is ordered. 5.2 Length Joists or channels ordered as “specified” or as “exact” lengths shall be supplied as follows. a) Specified lengths. When a joist or channel is to be cut to a specified length, it shall be cut to within ± 25 mm of that length. When a minimum length is specified, it shall be cut to within + 50 mm of that minimum length. 0 b) Exact lengths. When a section is to be cut to an exact length, it shall be cold sawn to within ± 3.2 mm of that length.
6 Tolerance on depth of section for joists and channels The tolerance on the nominal depth of section shall be as given in Table 1. Table 1 — Tolerances on nominal depth of joists and channels Nominal depth Over
Up to and including
mm
mm
Maximum permissible variation from specified depth mm
mm
—
305
+ 3.2
– 0.8
305
381
+ 4.0
– 1.6
381
432
+ 4.8
– 1.6
7 Dimensions of hot-rolled structural steel sections The nominal dimensions of hot-rolled structural steel sections shall be as given in Table 2 to Table 9.
1
BS 4-1:1993
Table 2 — Universal beams
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
914 × 419 × 388 914 × 419 × 343
388.0 343.3
921.0 911.8
420.5 418.5
21.4 19.4
36.6 32.0
24.1 24.1
914 × 305 × 289 914 × 305 × 253 914 × 305 × 224 914 × 305 × 201
289.1 253.4 224.2 200.9
926.6 918.4 910.4 903.0
307.7 305.5 304.1 303.3
19.5 17.3 15.9 15.1
32.0 27.9 23.9 20.2
19.1 19.1 19.1 19.1
838 × 292 × 226 838 × 292 × 194 838 × 292 × 176
226.5 193.8 175.9
850.9 840.7 834.9
293.8 292.4 291.7
16.1 14.7 14.0
26.8 21.7 18.8
17.8 17.8 17.8
762 × 267 × 197 762 × 267 × 173 762 × 267 × 147 762 × 267 × 134
196.8 173.0 146.9 133.9
769.8 762.2 754.0 750.0
268.0 266.7 265.2 264.4
15.6 14.3 12.8 12.0
25.4 21.6 17.5 15.5
16.5 16.5 16.5 16.5
686 × 254 × 170 686 × 254 × 152 686 × 254 × 140 686 × 254 × 125
170.2 152.4 140.1 125.2
692.9 687.5 683.5 677.9
255.8 254.5 253.7 253.0
14.5 13.2 12.4 11.7
23.7 21.0 19.0 16.2
15.2 15.2 15.2 15.2
610 × 305 × 238 610 × 305 × 179 610 × 305 × 149
238.1 179.0 149.1
635.8 620.2 612.4
311.4 307.1 304.8
18.4 14.1 11.8
31.4 23.6 19.7
16.5 16.5 16.5
610 × 229 × 140 610 × 229 × 125 610 × 229 × 113 610 × 229 × 101
139.9 125.1 113.0 101.2
617.2 612.2 607.6 602.6
230.2 229.0 228.2 227.6
13.1 11.9 11.1 10.5
22.1 19.6 17.3 14.8
12.7 12.7 12.7 12.7
2
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Table 2 — Universal beams Section designation
Mass per unit length
533 × 210 × 122 533 × 210 × 109 533 × 210 × 101 533 × 210 × 92 533 × 210 × 82
122.0 109.0 101.0 92.1 82.2
544.5 539.5 536.7 533.1 528.3
211.9 210.8 210.0 209.3 208.8
12.7 11.6 10.8 10.1 9.6
21.3 18.8 17.4 15.6 13.2
12.7 12.7 12.7 12.7 12.7
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
kg/m
Depth h mm
Width b
Web s
mm
Flange t
mm
Root radius r
mm
mm
457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 ×
98 89 82 74 67
98.3 89.3 82.0 74.3 67.1
467.2 463.4 460.0 457.0 453.4
192.8 191.9 191.3 190.4 189.9
11.4 10.5 9.9 9.0 8.5
19.6 17.7 16.0 14.5 12.7
10.2 10.2 10.2 10.2 10.2
457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 ×
82 74 67 60 52
82.1 74.2 67.2 59.8 52.3
465.8 462.0 458.0 454.6 449.8
155.3 154.4 153.8 152.9 152.4
10.5 9.6 9.0 8.1 7.6
18.9 17.0 15.0 13.3 10.9
10.2 10.2 10.2 10.2 10.2
406 × 178 × 406 × 178 × 406 × 178 × 406 × 178 ×
74 67 60 54
74.2 67.1 60.1 54.1
412.8 409.4 406.4 402.6
179.5 178.8 177.9 177.7
9.5 8.8 7.9 7.7
16.0 14.3 12.8 10.9
10.2 10.2 10.2 10.2
406 × 140 × 46 406 × 140 × 39
46.0 39.0
403.2 398.0
142.2 141.8
6.8 6.4
11.2 8.6
10.2 10.2
356 × 171 × 356 × 171 × 356 × 171 × 356 × 171 ×
67 57 51 45
67.1 57.0 51.0 45.0
363.4 358.0 355.0 351.4
173.2 172.2 171.5 171.1
9.1 8.1 7.4 7.0
15.7 13.0 11.5 9.7
10.2 10.2 10.2 10.2
356 × 127 × 39 356 × 127 × 33
39.1 33.1
353.4 349.0
126.0 125.4
6.6 6.0
10.7 8.5
10.2 10.2
305 × 165 × 54 305 × 165 × 46 305 × 165 × 40
54.0 46.1 40.3
310.4 306.6 303.4
166.9 165.7 165.0
7.9 6.7 6.0
13.7 11.8 10.2
8.9 8.9 8.9
305 × 127 × 48 305 × 127 × 42 305 × 127 × 37
48.1 41.9 37.0
311.0 307.2 304.4
125.3 124.3 123.4
9.0 8.0 7.1
14.0 12.1 10.7
8.9 8.9 8.9
© BSI 02-2001
3
BS 4-1:1993
Table 2 — Universal beams Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
32.8 28.2 24.8
312.7 308.7 305.1
102.4 101.8 101.6
6.6 6.0 5.8
10.8 8.8 7.0
7.6 7.6 7.6
254 × 146 × 43 254 × 146 × 37 254 × 146 × 31
43.0 37.0 31.1
259.6 256.0 251.4
147.3 146.4 146.1
7.2 6.3 6.0
12.7 10.9 8.6
7.6 7.6 7.6
254 × 102 × 28 254 × 102 × 25 254 × 102 × 22
28.3 25.2 22.0
260.4 257.2 254.0
102.2 101.9 101.6
6.3 6.0 5.7
10.0 8.4 6.8
7.6 7.6 7.6
203 × 133 × 30 203 × 133 × 25
30.0 25.1
206.8 203.2
133.9 133.2
6.4 5.7
9.6 7.8
7.6 7.6
203 × 102 × 23 178 × 102 × 19 152 × 89 × 16 127 × 76 × 13
23.1 19.0 16.0 13.0
203.2 177.8 152.4 127.0
101.8 101.2 88.7 76.0
5.4 4.8 4.5 4.0
9.3 7.9 7.7 7.6
7.6 7.6 7.6 7.6
NOTE 1 NOTE 2
4
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
305 × 102 × 33 305 × 102 × 28 305 × 102 × 25
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 3 — Universal columns
Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
356 × 406 × 634 356 × 406 × 551 356 × 406 × 467 356 × 406 × 393 356 × 406 × 340 356 × 406 × 287 356 × 406 × 235
633.9 551.0 467.0 393.0 339.9 287.1 235.1
474.6 455.6 436.6 419.0 406.4 393.6 381.0
424.0 418.5 412.2 407.0 403.0 399.0 394.8
47.6 42.1 35.8 30.6 26.6 22.6 18.4
77.0 67.5 58.0 49.2 42.9 36.5 30.2
15.2 15.2 15.2 15.2 15.2 15.2 15.2
356 × 368 × 202 356 × 368 × 177 356 × 368 × 153 356 × 368 × 129
201.9 177.0 152.9 129.0
374.6 368.2 362.0 355.6
374.7 372.6 370.5 368.6
16.5 14.4 12.3 10.4
27.0 23.8 20.7 17.5
15.2 15.2 15.2 15.2
305 × 305 × 283 305 × 305 × 240 305 × 305 × 198 305 × 305 × 158 305 × 305 × 137 305 × 305 × 118 305 × 305 × 97
282.9 240.0 198.1 158.1 136.9 117.9 96.9
365.3 352.5 339.9 327.1 320.5 314.5 307.9
322.2 318.4 314.5 311.2 309.2 307.4 305.3
26.8 23.0 19.1 15.8 13.8 12.0 9.9
44.1 37.7 31.4 25.0 21.7 18.7 15.4
15.2 15.2 15.2 15.2 15.2 15.2 15.2
254 × 254 × 167 254 × 254 × 132 254 × 254 × 107 254 × 254 × 89 254 × 254 × 73
167.1 132.0 107.1 88.9 73.1
289.1 276.3 266.7 260.3 254.1
265.2 261.3 258.8 256.3 254.6
19.2 15.3 12.8 10.3 8.6
31.7 25.3 20.5 17.3 14.2
12.7 12.7 12.7 12.7 12.7
© BSI 02-2001
5
BS 4-1:1993
Table 3 — Universal columns Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
86.1 71.0 60.0 52.0 46.1
222.2 215.8 209.6 206.2 203.2
209.1 206.4 205.8 204.3 203.6
12.7 10.0 9.4 7.9 7.2
20.5 17.3 14.2 12.5 11.0
10.2 10.2 10.2 10.2 10.2
152 × 152 × 37 152 × 152 × 30 152 × 152 × 23
37.0 30.0 23.0
161.8 157.6 152.4
154.4 152.9 152.2
8.0 6.5 5.8
11.5 9.4 6.8
7.6 7.6 7.6
NOTE 1 NOTE 2
6
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
86 71 60 52 46
203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 ×
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 4 — Universal bearing piles
Section designation
Mass per unit length
Depth h
Width b
Web s
Flange t
Root radius r
kg/m
mm
mm
mm
mm
mm
356 × 368 × 174 356 × 368 × 152 356 × 368 × 133 356 × 368 × 109
173.9 152.0 133.0 108.9
361.4 356.4 352.0 346.4
378.5 376.0 373.8 371.0
20.3 17.8 15.6 12.8
20.4 17.9 15.7 12.9
15.2 15.2 15.2 15.2
305 × 305 × 223 305 × 305 × 186 305 × 305 × 149 305 × 305 × 126 305 × 305 × 110 305 × 305 × 95 305 × 305 × 88 305 × 305 × 79
222.9 186.0 149.1 126.1 110.0 94.9 88.0 78.9
337.9 328.3 318.5 312.3 307.9 303.7 301.7 299.3
325.7 320.9 316.0 312.9 310.7 308.7 307.8 306.4
30.3 25.5 20.6 17.5 15.3 13.3 12.4 11.0
30.4 25.6 20.7 17.6 15.4 13.3 12.3 11.1
15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2
254 × 254 × 85 254 × 254 × 71 254 × 254 × 63
85.1 71.0 63.0
254.3 249.7 247.1
260.4 258.0 256.6
14.4 12.0 10.6
14.3 12.0 10.7
12.7 12.7 12.7
203 × 203 × 54 203 × 203 × 45
53.9 44.9
204.0 200.2
207.7 205.9
11.3 9.5
11.4 9.5
10.2 10.2
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
7
BS 4-1:1993
Table 5 — Joists with taper flanges
mm
Mass per unit length
Depth of section h
Width of section b
kg/m
mm
mm
Thickness
Radius
Web s
Flange t
Root r1
Toe r2
mm
mm
mm
mm
254 × 203 × 82 254 × 114 × 37
82.0 37.2
254.0 254.0
203.2 114.3
10.2 7.6
19.9 12.8
19.6 12.4
9.7 6.1
203 × 152 × 52
52.3
203.2
152.4
8.9
16.5
15.5
7.6
152 × 127 × 37
37.3
152.4
127.0
10.4
13.2
13.5
6.6
127 × 114 × 29 127 × 114 × 27 127 × 76 × 16
29.3 26.9 16.5
127.0 127.0 127.0
114.3 114.3 76.2
10.2 7.4 5.6
11.5 11.4 9.6
9.9 9.9 9.4
4.8 5.0 4.6
114 × 114 × 27
26.9
114.3
114.3
9.5
10.7
14.2
3.2
102 × 102 × 23 102 × 44 × 7
23.0 7.5
101.6 101.6
101.6 44.5
9.5 4.3
10.3 6.1
11.1 6.9
3.2 3.3
89 × 89 × 19
19.5
88.9
88.9
9.5
9.9
11.1
3.2
76 × 76 × 15 76 × 76 × 13
15.0 12.8
76.2 76.2
80.0 76.2
8.9 5.1
8.4 8.4
9.4 9.4
4.6 4.6
NOTE 1 NOTE 2
8
The nominal dimensions are based on the imperial values. The masses per metre run are derived from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 6 — Structural tees cut from universal beams
Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
mm
305 × 457 × 127 305 × 457 × 112 305 × 457 × 101
126.7 112.1 100.4
914 × 305 × 253 914 × 305 × 224 914 × 305 × 201
305.5 304.1 303.3
459.1 455.1 451.4
17.3 15.9 15.1
27.9 23.9 20.2
19.1 19.1 19.1
292 × 419 × 113 292 × 419 × 97 292 × 419 × 88
113.2 96.9 87.9
838 × 292 × 226 838 × 292 × 194 838 × 292 × 176
293.8 292.4 291.7
425.4 420.3 417.4
16.1 14.7 14.0
26.8 21.7 18.8
17.8 17.8 17.8
267 × 381 × 99 267 × 381 × 87 267 × 381 × 74
98.3 86.5 73.4
762 × 267 × 197 762 × 267 × 173 762 × 267 × 147
268.0 266.7 265.2
384.8 381.0 376.9
15.6 14.3 12.8
25.4 21.6 17.5
16.5 16.5 16.5
254 × 343 × 254 × 343 × 254 × 343 × 254 × 343 ×
85 76 70 63
85.1 76.2 70.0 62.6
686 × 254 × 170 686 × 254 × 152 686 × 254 × 140 686 × 254 × 125
255.8 254.5 253.7 253.0
346.4 343.7 341.7 338.9
14.5 13.2 12.4 11.7
23.7 21.0 19.0 16.2
15.2 15.2 15.2 15.2
305 × 305 × 119 305 × 305 × 90 305 × 305 × 75
119.0 89.5 74.6
610 × 305 × 238 610 × 305 × 179 610 × 305 × 149
311.4 307.1 304.8
317.8 310.0 306.1
18.4 14.1 11.8
31.4 23.6 19.7
16.5 16.5 16.5
69.9 62.5 56.5 50.6
610 × 229 × 140 610 × 229 × 125 610 × 229 × 113 610 × 229 × 101
230.2 229.0 228.2 227.6
308.5 306.0 303.7 301.2
13.1 11.9 11.1 10.5
22.1 19.6 17.3 14.8
12.7 12.7 12.7 12.7
229 × 305 × 229 × 305 × 229 × 305 × 229 × 305 ×
© BSI 02-2001
70 63 57 51
9
BS 4-1:1993
Table 6 — Structural tees cut from universal beams Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
61.0 54.5 50.5 46.0 41.1
533 × 210 × 122 533 × 210 × 109 533 × 210 × 101 533 × 210 × 92 533 × 210 × 82
211.9 210.8 210.0 209.3 208.8
272.2 269.7 268.3 266.5 264.1
12.7 11.6 10.8 10.1 9.6
21.3 18.8 17.4 15.6 13.2
12.7 12.7 12.7 12.7 12.7
191 × 229 × 49 191 × 229 × 45 191 × 229 × 41 191 × 229 × 37 191 × 229 × 34
49.1 44.6 41.0 37.1 33.5
457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 × 457 × 191 ×
98 89 82 74 67
192.8 191.9 191.3 190.4 189.9
233.5 231.6 229.9 228.4 226.6
11.4 10.5 9.9 9.0 8.5
19.6 17.7 16.0 14.5 12.7
10.2 10.2 10.2 10.2 10.2
152 × 229 × 41 152 × 229 × 37 152 × 229 × 34 152 × 229 × 30 152 × 229 × 26
41.0 37.1 33.6 29.9 26.1
457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 × 457 × 152 ×
82 74 67 60 52
155.3 154.4 153.8 152.9 152.4
232.8 230.9 228.9 227.2 224.8
10.5 9.6 9.0 8.1 7.6
18.9 17.0 15.0 13.3 10.9
10.2 10.2 10.2 10.2 10.2
178 × 203 × 37 178 × 203 × 34 178 × 203 × 30 178 × 203 × 27
37.1 33.5 30.0 27.0
406 × 178 × 406 × 178 × 406 × 178 × 406 × 178 ×
74 67 60 54
179.5 178.8 177.9 177.7
206.3 204.6 203.1 201.2
9.5 8.8 7.9 7.7
16.0 14.3 12.8 10.9
10.2 10.2 10.2 10.2
140 × 203 × 23 140 × 203 × 20
23.0 19.5
406 × 140 × 46 406 × 140 × 39
142.2 141.8
201.5 198.9
6.8 6.4
11.2 8.6
10.2 10.2
171 × 178 × 34 171 × 178 × 29 171 × 178 × 26 171 × 178 × 23
33.5 28.5 25.5 22.5
356 × 171 × 356 × 171 × 356 × 171 × 356 × 171 ×
67 57 51 45
173.2 172.2 171.5 171.1
181.6 178.9 177.4 175.6
9.1 8.1 7.4 7.0
15.7 13.0 11.5 9.7
10.2 10.2 10.2 10.2
127 × 178 × 20 127 × 178 × 17
19.5 16.5
356 × 127 × 39 356 × 127 × 33
126.0 125.4
176.6 174.4
6.6 6.0
10.7 8.5
10.2 10.2
165 × 152 × 27 165 × 152 × 23 165 × 152 × 20
27.0 23.0 20.1
305 × 165 × 54 305 × 165 × 46 305 × 165 × 40
166.9 165.7 165.0
155.1 153.2 151.6
7.9 6.7 6.0
13.7 11.8 10.2
8.9 8.9 8.9
127 × 152 × 24 127 × 152 × 21 127 × 152 × 19
24.0 20.9 18.5
305 × 127 × 48 305 × 127 × 42 305 × 127 × 37
125.3 124.3 123.4
155.4 153.5 152.1
9.0 8.0 7.1
14.0 12.1 10.7
8.9 8.9 8.9
10
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
210 × 267 × 61 210 × 267 × 55 210 × 267 × 51 210 × 267 × 46 210 × 267 × 41
BS 4-1:1993
Table 6 — Structural tees cut from universal beams Section designation
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
kg/m
mm
mm
mm
Thickness
Web s
Flange t
mm
mm
Root radius r
mm
102 × 152 × 17 102 × 152 × 14 102 × 152 × 13
16.4 14.1 12.4
305 × 102 × 33 305 × 102 × 28 305 × 102 × 25
102.4 101.8 101.6
156.3 154.3 152.5
6.6 6.0 5.8
10.8 8.8 7.0
7.6 7.6 7.6
146 × 127 × 22 146 × 127 × 19 146 × 127 × 16
21.5 18.5 15.5
254 × 146 × 43 254 × 146 × 37 254 × 146 × 31
147.3 146.4 146.1
129.7 127.9 125.6
7.2 6.3 6.0
12.7 10.9 8.6
7.6 7.6 7.6
102 × 127 × 14 102 × 127 × 13 102 × 127 × 11
14.1 12.6 11.0
254 × 102 × 28 254 × 102 × 25 254 × 102 × 22
102.2 101.9 101.6
130.1 128.5 126.9
6.3 6.0 5.7
10.0 8.4 6.8
7.6 7.6 7.6
133 × 102 × 15 133 × 102 × 13
15.0 12.5
203 × 133 × 30 203 × 133 × 25
133.9 133.2
103.3 101.5
6.4 5.7
9.6 7.8
7.6 7.6
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
11
BS 4-1:1993
Table 7 — Structural tees cut from universal columns
Mass per unit length
Cut from universal beam (see Table 2)
Width of section b
Depth of section A
Section designation kg/m
mm
mm
mm
Thickness
Root radius r
Web s
Flange t
mm
mm
mm
406 × 178 × 118
117.5
356 × 406 × 235
394.8
190.4
18.4
30.2
15.2
368 × 178 × 101 368 × 178 × 89 368 × 178 × 77 368 × 178 × 65
100.9 88.5 76.4 64.5
356 × 368 × 202 356 × 368 × 177 356 × 368 × 153 356 × 368 × 129
374.7 372.6 370.5 368.6
187.2 184.0 180.9 177.7
16.5 14.4 12.3 10.4
27.0 23.8 20.7 17.5
15.2 15.2 15.2 15.2
305 × 152 × 305 × 152 × 305 × 152 × 305 × 152 ×
79 69 59 49
79.0 68.4 58.9 48.4
305 × 305 × 158 305 × 305 × 137 305 × 305 × 118 305 × 305 × 97
311.2 309.2 307.4 305.3
163.5 160.2 157.2 153.9
15.8 13.8 12.0 9.9
25.0 21.7 18.7 15.4
15.2 15.2 15.2 15.2
254 × 127 × 254 × 127 × 254 × 127 × 254 × 127 ×
66 54 45 37
66.0 53.5 44.4 36.5
254 × 254 × 132 254 × 254 × 107 254 × 254 × 89 254 × 254 × 73
261.3 258.8 256.3 254.6
138.1 133.3 130.1 127.0
15.3 12.8 10.3 8.6
25.3 20.5 17.3 14.2
12.7 12.7 12.7 12.7
203 × 102 × 203 × 102 × 203 × 102 × 203 × 102 × 203 × 102 ×
43 36 30 26 23
43.0 35.5 30.0 26.0 23.0
203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 × 203 ×
86 71 60 52 46
209.1 206.4 205.8 204.3 203.6
111.0 107.8 104.7 103.0 101.5
12.7 10.0 9.4 7.9 7.2
20.5 17.3 14.2 12.5 11.0
10.2 10.2 10.2 10.2 10.2
152 × 76 × 19 152 × 76 × 15 152 × 76 × 12
18.5 15.0 11.5
152 × 152 × 37 152 × 152 × 30 152 × 152 × 23
154.4 152.9 152.2
80.8 78.7 76.1
8.0 6.5 5.8
11.5 9.4 6.8
7.6 7.6 7.6
NOTE 1 NOTE 2
12
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Section designation
BS 4-1:1993
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
Table 8 — Taper flange channels
Section designation
Mass per unit length
kg/m
Depth of section h
mm
Width of section b
mm
Thickness
Radius
Depth between fillets d
Web s
Flange t
Root r1
Toe r2
mm
mm
mm
mm
mm
432 × 102 × 65
65.5
431.8
101.6
12.2
16.8
15.2
4.8
362.4
381 × 102 × 55
55.0
381.0
101.6
10.4
16.3
15.2
4.8
312.4
305 × 102 × 46 305 × 89 × 42
46.2 41.8
304.8 304.8
101.6 88.9
10.2 10.2
14.8 13.7
15.2 13.7
4.8 3.2
239.2 245.4
254 × 89 × 36 254 × 76 × 28
35.7 28.2
254.0 254.0
88.9 76.2
9.1 8.1
13.6 10.9
13.7 12.2
3.2 3.2
194.7 203.8
229 × 89 × 33 229 × 76 × 26
32.7 26.1
228.6 228.6
88.9 76.2
8.6 7.6
13.3 11.2
13.7 12.2
3.2 3.2
169.8 178.0
203 × 89 × 30 203 × 76 × 24
29.8 23.9
203.2 203.2
88.9 76.2
8.1 7.1
12.9 11.2
13.7 12.2
3.2 3.2
145.2 152.5
178 × 89 × 27 178 × 76 × 21
26.8 20.8
177.8 177.8
88.9 76.2
7.6 6.6
12.3 10.3
13.7 12.2
3.2 3.2
121.0 128.8
152 × 89 × 24 152 × 76 × 18
23.9 17.9
152.4 152.4
88.9 76.2
7.1 6.4
11.6 9.0
13.7 12.2
3.2 2.4
97.0 105.9
127 × 64 × 15
14.9
127.0
63.5
6.4
9.2
10.7
2.4
84.0
102 × 51 × 10 76 × 38 × 7
10.4 6.7
101.6 76.2
50.8 38.1
6.1 5.1
7.6 6.8
9.1 7.6
2.4 2.4
65.7 45.8
NOTE 1 NOTE 2
The nominal dimensions are based on the imperial values. The masses per metre run are calculated from the cross-sectional area on the basis of 0.785 kg/cm2 per metre run.
© BSI 02-2001
13
BS 4-1:1993
Table 9 — Parallel flange channels
b Y
X
t
X
s Section designation
Y Mass per unit length
Depth h
kg/m
Width b
mm
mm
Web s mm
Flange t
Root radius r
mm
mm
430 × 100 × 64
64.4
430
100
11.0
19.0
15
380 × 100 × 54
54.0
380
100
9.5
17.5
15
300 × 100 × 46 300 × 90 × 41
45.5 41.4
300 300
100 90
9.0 9.0
16.5 15.5
15 12
260 × 90 × 35 260 × 75 × 28
34.8 27.6
260 260
90 75
8.0 7.0
14.0 12.0
12 12
230 × 90 × 32 230 × 75 × 26
32.2 25.7
230 230
90 75
7.5 6.5
14.0 12.5
12 12
200 × 90 × 30 200 × 75 × 23
29.7 23.4
200 200
90 75
7.0 6.0
14.0 12.5
12 12
180 × 90 × 26 180 × 75 × 20
26.1 20.3
180 180
90 75
6.5 6.0
12.5 10.5
12 12
150 × 90 × 24 150 × 75 × 18
23.9 17.9
150 150
90 75
6.5 5.5
12.0 10.0
12 12
125 × 65 × 15
14.8
125
65
5.5
9.5
12
100 × 50 × 10
10.2
100
50
5.0
8.5
9
14
© BSI 02-2001
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
h
r
BS 4-1:1993
List of references (see clause 2) Normative reference
Licensed Copy: Giorgio Cavalieri, ALSTOM, 29-Jan-01, Uncontrolled Copy. © BSI
BS EN 10034:1993, Structural steel I and H sections — Tolerances on shape and dimensions.
© BSI 02-2001
BSI Ð British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. s of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. Standards are also available from the BSI website at http://www.bsi-global.com. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits hip istration. Tel: 020 8996 7002. Fax: 020 8996 7001. Further information about BSI is available on the BSI website at http://www.bsi-global.com. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means ± electronic, photocopying, recording or otherwise ± without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.
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