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SPECIFICATION FOR HEAT-RESISTING CHROMIUM AND CHROMIUM-NICKEL STAINLESS STEEL PLATE, SHEET, AND STRIP FOR PRESSURE VESSELS SA-240 (Identical with ASTM Specification A 240-97a, except for editorial differences in Table 1.)
1.
Scope
2.
1.1 This specification covers chromium, chromiumnickel, and chromium-manganese-nickel stainless and heat-resisting steel plate, sheet, and strip for pressure vessels.
Referenced Documents
2.1 ASTM Standards: A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A 480/A 480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip E 112 Test Methods for Determining Average Grain Size E 527 Practice for Numbering Metals and Alloys (UNS)
1.2 Some steels covered by this specification, especially the chromium steels, because of their particular alloy content and specialized properties, may require special care in their fabrication and welding. Specific procedures are of fundamental importance, and it is presupposed that all parameters will be in accordance with approved methods capable of producing the desired properties in the finished fabrication.
2.2 SAE Standard: J 1086 Practice for Numbering Metals and Alloys (UNS)
3.
General Requirements
3.1 The following requirements for orders for material furnished under this specification shall conform to the applicable requirements of the current edition of Specification A 480/A 480M.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
3.1.1 Definitions, 3.1.2 General requirements for delivery, 3.1.3 Ordering information, 3.1.4 Process, 3.1.5 Special tests,
1.4 This specification and the applicable material specifications are expressed in both inch-pound and SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished in inch-pound units.
3.1.6 Heat treatment, 3.1.7 Dimensions and permissible variations, 3.1.8 Workmanship, finish and appearance, 363
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3.1.9 Number of tests/test methods, 3.1.10 Specimen preparation, 3.1.11 Retreatment, 3.1.12 Inspection, 3.1.13 Rejection and rehearing, 3.1.14 Material test report, 3.1.15 Certification, and 3.1.16 Packaging, marking, and loading.
4.
Chemical Composition
4.1 The steel shall conform to the requirements as to chemical composition specified in Table 1, and shall conform to applicable requirements specified in Specification A 480/A 480M.
5.
Mechanical Properties
5.1 The material shall conform to the mechanical properties specified in Table 2.
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6.
Grain Size for Austenitic H Types
6.1 The austenitic H Types shall conform to an average grain size of ASTM No. 7 or coarser as measured by Test Methods E 112.
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0.05–0.10 0.020 0.020 0.15 0.03 0.03 0.15 0.15 0.030 0.06 0.12 0.08 0.03 0.10 0.08 0.15 0.15 0.08 0.030 0.04–0.10 0.04–0.06 0.08 0.08 0.030 0.12 0.018 0.015 0.16–0.24 0.05–0.10 0.08 0.04–0.10 0.08 0.04–0.10 0.08 0.04–0.10 0.08 0.04–0.10
...
904LG
... 201 ... ... ... 202 ... XM-19H
XM-31H XM-17H XM-18H ... XM-29H 301 302 304 304L 304H ... 304N XM-21 304LN 305 ... ... ... ... 309S 309HG 309CbG
309HCbG
310S 310HG 310CbG
310HCbG
N08810
N08904 N08926 S20100 S20103 S20153 S20161 S20200 S20400 S20910
S21400 S21600 S21603 S21800 S24000 S30100 S30200 S30400 S30403 S30409 S30415 S30451 S30452 S30453 S30500 S30600 S30601 S30615 S30815 S30908 S30909 S30940
S30941
S31008 S31009 S31040
S31041
0.030 0.10
CarbonD
... ...
TypeC
N08367 N08800
UNS DesignationB
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2.00
2.00 2.00 2.00
2.00
14.00–16.00 7.50–9.00 7.50–9.00 7.00–9.00 11.50–14.50 2.00 2.00 2.00 2.00 2.00 0.80 2.00 2.00 2.00 2.00 2.00 0.50–0.80 2.00 0.80 2.00 2.00 2.00
2.00 2.00 5.50–7.50 5.50–7.50 6.40–7.50 4.00–6.00 7.50–10.0 7.00–9.00 4.00–6.00
1.50
2.00 1.50
Manganese
Sulfur
Silicon
Chromium
Nickel
Molybdenum
0.045
0.045 0.045 0.045
0.045
0.045 0.045 0.045 0.060 0.060 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.020 0.030 0.030 0.040 0.045 0.045 0.045
0.045 0.030 0.060 0.045 0.045 0.040 0.060 0.040 0.040
0.045
0.040 0.045
0.030
0.030 0.030 0.030
0.030
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.020 0.013 0.030 0.030 0.030 0.030 0.030
0.035 0.010 0.030 0.030 0.015 0.040 0.030 0.030 0.030
0.015
0.030 0.015
0.75
1.50 0.75 1.50
0.75
0.30–1.00 0.75 0.75 3.50–4.50 0.75 1.00 0.75 0.75 0.75 0.75 1.00–2.00 0.75 0.75 0.75 0.75 3.7–4.3 5.00–5.60 3.2–4.0 1.40–2.00 0.75 0.75 0.75
1.00 0.50 1.00 0.75 0.75 3.00–4.00 1.00 1.00 0.75
1.00
1.00 1.00
24.00–26.00
24.00–26.00 24.00–26.00 24.00–26.00
22.00–24.00
17.00–18.50 17.50–22.00 17.50–22.00 16.00–18.00 17.00–19.00 16.00–18.00 17.00–19.00 18.00–20.00 18.00–20.00 18.00–20.00 18.00–19.00 18.00–20.00 18.00–20.00 18.00–20.00 17.00–19.00 17.0–18.5 17.00–18.00 17.0–19.5 20.00–22.00 22.00–24.00 22.00–24.00 22.00–24.00
19.00–23.00 19.00–21.00 16.00–18.00 16.00–18.00 16.00–17.50 15.00–18.00 17.00–19.00 15.00–17.00 20.50–23.50
19.0–23.0
20.00–22.00 19.0–23.0
19.00–22.00
19.00–22.00 19.00–22.00 19.00–22.00
12.00–16.00
1.00 5.00–7.00 5.00–7.00 8.00–9.00 2.25–3.75 6.00–8.00 8.00–10.00 8.00–10.50 8.00–12.00 8.00–10.50 9.00–10.00 8.00–10.50 8.00–10.50 8.00–12.00 10.50–13.00 14.0–15.5 17.00–18.00 13.5–16.0 10.00–12.00 12.00–15.00 12.00–15.00 12.00–16.00
23.00–28.00 24.00–26.00 3.50–5.50 3.50–5.50 4.00–5.00 4.00–6.00 4.00–6.00 1.50–3.00 11.50–13.50
30.0–35.0
23.50–25.50 30.0–35.0
...
... ... ...
...
... 2.00–3.00 2.00–3.00 ... ... ... ... ... ... ... ... ... ... ... ... 0.20 0.20 ... ... ... ... ...
4.0–5.0 6.0–7.0 ... ... ... ... ... ... 1.50–3.00
...
6.00–7.00 ...
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)
Phosphorus
TABLE 1 CHEMICAL COMPOSITION REQUIREMENTS, %A
...
... ... ...
...
0.14–0.20 ... ... ...
0.35 min 0.25–0.50 0.25–0.50 0.08–0.18 0.20–0.40 0.10 0.10 0.10 0.10 ... 0.12–0.18 0.10–0.16 0.16–0.30 0.10–0.16 ... ... 0.050
0.10 0.15–0.25 0.25 0.25 0.10–0.25 0.08–0.20 0.25 0.15–0.30 0.20–0.40
...
0.18–0.25 ...
Nitrogen
...
... ... ...
...
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 0.50 0.35 ... ... ... ... ...
1.0–2.0 0.5–1.5 ... ... 1.00 ... ... ... ...
0.75
0.75 0.75
Copper
... Al 0.15–0.60 Ti 0.15–0.60 Al 0.15–0.60 Ti 0.15–0.60 ... ... ... ... ... ... ... ... Cb 0.10–0.30 V 0.10–0.30 ... ... ... ... ... ... ... ... ... ... Ce 0.03–0.08 ... ... ... ... ... ... Al 0.8–1.5 Ce 0.03–0.08 ... ... Cb 10 × C min, 1.10 max Cb 10 × C min, 1.10 max ... ... Cb 10 × C min, 1.10 max Cb 10 × C min, 1.10 max
Other ElementsE, F
PART A — FERROUS MATERIAL SPECIFICATIONS SA-240
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... 347
347H
348
S34565 S34700
S34709
S34800
... XM-15H
... ... ...
S32615 S32654 S33228
S35315 S38100
321H
S32109
348H
316N 316LN 317 317L ... ... 317LNG ... 321
S31651 S31653 S31700 S31703 S31725 S31726 S31753 S32050 S32100
S34809
0.08
316CbG
S31640
0.04–0.08 0.08
0.04–0.10
0.08
0.04–0.10
0.030 0.08
0.07 0.020 0.04–0.08
0.04–0.10
0.08 0.030 0.08 0.030 0.030 0.030 0.030 0.030 0.08
0.030 0.020 0.030 0.08 0.030 0.04–0.10 0.08
... ... 316 316L 316H 316TiG
S31050 S31254 S31266 S31600 S31603 S31609 S31635
CarbonD
TypeC
310MoLNG
UNS DesignationB
2.00 2.00
2.00
2.00
2.00
5.00–7.00 2.00
2.00 2.00–4.00 1.00
2.00
2.00 2.00 2.00 2.00 2.00 2.00 2.00 1.50 2.00
2.00
2.00 1.00 2.00–4.00 2.00 2.00 2.00 2.00
Manganese
Sulfur
Silicon
Chromium
Nickel
Molybdenum
0.040 0.030
0.045
0.045
0.045
0.030 0.045
0.045 0.030 0.020
0.045
0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.035 0.045
0.045
0.030 0.030 0.035 0.045 0.045 0.045 0.045
0.030 0.030
0.030
0.030
0.030
0.010 0.030
0.030 0.005 0.015
0.030
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.020 0.030
0.030
0.010 0.010 0.020 0.030 0.030 0.030 0.030
1.20–2.00 1.50–2.50
0.75
0.75
0.75
1.00 0.75
4.8–6.0 0.50 0.030
0.75
0.75 0.75 0.75 0.75 0.75 0.75 0.75 1.00 0.75
0.75
0.50 0.80 1.00 0.75 0.75 0.75 0.75
24.00–26.00 17.00–19.00
17.00–19.00
17.00–19.00
17.00–19.00
23.00–25.00 17.00–19.00
16.5–19.5 24.00–25.00 26.0–28.0
17.00–19.00
16.00–18.00 16.00–18.00 18.00–20.00 18.00–20.00 18.00–20.00 17.00–20.00 18.00–20.00 22.00–24.00 17.00–19.00
16.00–18.00
24.00–26.00 19.50–20.50 23.00–25.00 16.00–18.00 16.00–18.00 16.00–18.00 16.00–18.00
34.00–36.00 17.50–18.50
9.00–13.00
9.00–13.00
9.00–13.00
16.00–18.00 9.00–13.00
19.0–22.0 21.00–23.00 31.0–33.0
9.00–12.00
10.00–14.00 10.00–14.00 11.00–15.00 11.00–15.00 13.50–17.50 13.50–17.50 11.00–15.00 20.00–22.00 9.00–12.00
10.00–14.00
21.00–23.00 17.50–18.50 21.00–24.00 10.00–14.00 10.00–14.00 10.00–14.00 10.00–14.00
... ...
...
...
...
4.00–5.00 ...
0.30–1.5 7.00–8.00 ...
...
2.00–3.00 2.00–3.00 3.00–4.00 3.00–4.00 4.0–5.0 4.0–5.0 3.00–4.00 6.00–6.80 ...
2.0–3.0
2.00–3.00 6.00–6.50 5.00–7.00 2.00–3.00 2.00–3.00 2.00–3.00 2.0–3.0
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)
Phosphorus
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
0.12–0.18 ...
...
...
...
0.40–0.60 ...
... 0.45–0.55 ...
...
0.10–0.16 0.10–0.16 0.10 0.10 0.20 0.10–0.20 0.10–0.22 0.24–0.34 0.10
0.10
0.10–0.16 0.18–0.22 0.35–0.60 0.10 0.10 ... 0.10
Nitrogen
... ...
...
...
...
... ...
1.5–2.5 0.30–0.60 ...
...
... ... ... ... ... ... ... 0.40 ...
...
... 0.50–1.00 0.50–3.00 ... ... ... ...
Copper
... ... W 1.00–3.00 ... ... ... Ti 5 × (C + N) min, 0.70 max Cb 10 × C min, 1.10 max ... ... ... ... ... ... ... ... Ti 5 × (C + N) min, 0.70 max Ti 4 × (C + N) min, 0.70 max ... ... Ce 0.05–0.10 Cb 0.6–1.0 Al 0.025 Cb 0.10 Cb 10 × C min, 1.00 max Cb 8 × C min, 1.00 max Cb + Ta 10 × C min, 1.00 max Ta 0.10 max Co 0.20 Cb + Ta 8 × C min, 1.00 max Ta 0.10 max Co 0.20 Ce 0.03–0.08 ...
Other ElementsE, F
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...
...
...
...
410 ... 410S ...
... ... 429G 430 439
S40920
S40930
S40945
S40975
S41000 S41003 S41008 S41045
S41050 S41500E S42900 S43000 S43035
...
S32803
405 409I ...
329 ...
S32900 S32950
S40500 S40900I S40910
... ... ... ... ... ... ... ... ... ...
TypeC
S31200 S31260 S31803 S32001 S32205 S32304 S32520 S32550 S32750 S32760
UNS DesignationB
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0.040 0.05 0.12 0.12 0.07
0.15 0.03 0.08 0.030
0.030
0.030
0.030
1.00 0.5–1.0 1.00 1.00 1.00
1.00 1.50 1.00 1.00
1.00
1.00
1.00
1.00
1.00
0.030 0.030
1.00
0.50
1.00 2.00
2.00 1.00 2.00 4.0–6.0 2.00 2.50 1.50 1.5 1.20 1.00
Manganese
0.08
0.015
0.08 0.03
0.030 0.03 0.030 0.030 0.030 0.030 0.030 0.04 0.030 0.030
CarbonD
0.045 0.030 0.040 0.040 0.040
0.040 0.040 0.040 0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.020
0.040 0.035
0.045 0.030 0.030 0.040 0.030 0.040 0.035 0.040 0.035 0.030
Phosphorus
0.030 0.030 0.030 0.030 0.030
0.030 0.030 0.030 0.030
0.030
0.030
0.010
0.010
0.010
0.030
Chromium
23.00–28.00 26.00–29.00
24.0–26.0 24.0–26.0 21.0–23.0 19.5–21.5 22.0–23.0 21.5–24.5 24.00–26.00 24.0–27.0 24.0–26.0 24.00–26.00 2.50–5.00 3.50–5.20
5.5–6.5 5.50–7.50 4.50–6.50 1.00–3.00 4.50–6.50 3.00–5.50 5.50–8.00 4.5–6.5 6.00–8.00 6.00–8.00
Nickel
1.00 0.60 1.00 1.00 1.00
1.00 1.00 1.00 1.00
1.00
1.00
1.00
1.00
1.00
1.00
10.50–12.50 11.5–14.0 14.00–16.00 16.00–18.00 17.00–19.00
11.50–13.50 10.50–12.50 11.50–13.50 12.00–13.00
10.50–11.75
10.50–11.75
10.5–11.7
10.5–11.7
10.5–11.7
11.50–14.50
28.00–29.00
0.60–1.10 3.5–5.5 ... 0.75 0.050
0.75 1.50 0.60 0.50
0.50–1.00
0.50
0.50
0.50
0.50
0.60
3.0–4.0
Ferritic or Martensitic (Chromium)
0.75 0.60
1.00 0.75 1.00 1.00 1.00 1.00 0.80 1.0 0.80 1.00
Duplex (Austenitic-Ferritic)
Silicon
0.0035 0.55
0.030 0.010
0.030 0.030 0.020 0.030 0.020 0.030 0.020 0.030 0.020 0.010
Sulfur
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
... 0.5–1.0 ... ... ...
... ... ... ...
...
...
...
...
...
...
1.8–2.5
1.0–2.0 1.00–2.50
1.2–2.0 2.50–3.50 2.50–3.50 0.60 3.00–3.50 0.05–0.60 3.00–5.00 2.9–3.9 3.00–5.00 3.00–4.00
Molybdenum
0.10 ... ... ... 0.04
... ... ... 0.030
0.030
0.030
0.030
0.030
0.030
0.020 (C + N) 0.030 max ...
... 0.15–0.35
0.14–0.20 0.10–0.30 0.08–0.20 0.05–0.17 0.14–0.20 0.05–0.20 0.20–0.35 0.10–0.25 0.24–0.32 0.20–0.30
Nitrogen
... ... ... ... ...
... ... ... ...
...
...
...
...
...
...
...
... ...
... 0.20–0.80 ... 1.00 ... 0.05–0.60 0.50–3.00 1.5–2.5 0.50 0.50–1.00
Copper
Ti 6 × (C + N) min; 0.50 max Ti 8 × (C + N) min; 0.15–0.50 (Cb + Ti) 0.08 + 8 (C + N) min; 0.75 max; Ti 0.05 min Cb 0.18–0.40 Ti 0.05–0.20 Ti 6 (C + N) min and 0.75 max ... N 0.030 max ... Cb 9 (C + N) min, 0.60 max ... ... ... ... Ti 0.20 + 4 (C + N) min; 1.10 max Al 0.15 max
Al 0.10–0.30
Cb 0.15–0.50 12 (C + N) min
... W 0.10–0.50 ... ... ... ... ... ... ... W 050–1.00 Cr + 3.3 Mo + 16 N p 40 min ... ...
Other ElementsE, F
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0.010 0.030
0.010 0.030
0.030
0.025
0.025
0.30 1.00
0.30 1.00
1.00
1.00
0.40
0.75
1.00
1.00
1.00
1.00 1.00
Manganese
0.025 0.040
0.025 0.040
0.040
0.040
0.020
0.040
0.040
0.040
0.040
0.040 0.040
Phosphorus
0.020 0.030
0.020 0.030
0.030
0.030
0.020
0.020
0.012
0.030
0.030
0.030 0.030
Sulfur
Chromium
Nickel
0.20 1.00
0.20 1.00
1.00
0.75
0.40
0.75
1.00
1.00
1.00
1.00 1.00
28.0–30.0 18.00–20.00
28.0–30.0 28.00–30.00
25.0–28.0
24.5–26.0
25.00–27.50
25.00–27.00
19.00–21.00
17.5–19.5
17.0–19.0
16.00–18.00 16.00–18.00
2.0–2.5 0.50
0.15 1.00
1.0–3.50
3.5–4.5
0.50
0.50
0.60
1.00
0.50
... ...
Ferritic or Martensitic (Chromium)
Silicon
3.5–4.2 ...
3.5–4.2 3.60–4.20
3.00–4.00
3.5–4.5
0.75–1.50
0.75–1.50
...
1.75–2.50
...
0.75–1.25 0.75–1.25
Molybdenum
0.020 ...
0.020 0.045
0.040
0.035
0.015E
0.04
0.03
0.035
0.030
... ...
Nitrogen
0.15 ...
0.15 ...
...
...
0.20
0.20
0.30–0.60
...
...
... ...
Copper
... Cb 5 × C min; 0.80 max Ti + Cb 0.20 + 4 (C + N) min; 0.75 max Al 0.15 max Ti + Cb 0.20 + 4 (C + N) min; 0.80 max Cb 10 (C + N) − 0.80 Ti 0.20–1.00 7 (C + N) min Cb 0.05–0.20 Ni + Cu 0.50 max Ti + Cb 0.20 + 4 (C + N) min; 0.80 max Ti + Cb p 0.20 − 1.00 and 6 (C + N) min (C + N) 0.025 max Ti + Cb p 0.20– 1.00 and 6 (C + N) min (C + N) 0.025 max Ti 0.07–0.30 Cb 0.10–0.60 N 0.030 max Ti + Cb p 0.20 + 4 (C + N) min; 0.80 max
Other ElementsE, F
B
Maximum, unless range or minimum is indicated. Designation established in accordance with Practice E 527 and SAE J 1086. C Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI). D Carbon analysis shall be reported to nearest 0.01% except for the low-carbon types, which shall be reported to nearest 0.001%. E The Columbium (Cb) and Niobium (Nb) both relate to the same element. F When two minimums or two maximums are listed for a single type, as in the case of both a value from a formula and an absolute value, the higher minimum or lower maximum shall apply. G Common name, not a trademark, widely used, not associated with any one producer. H Naming system developed and applied by ASTM. I S40900 (Type 409) has been replaced by S40910, S40920, and S40930. Unless otherwise specified in the ordering information, an order specifying S40900 or Type 409 shall be satisfied by any one of S40910, S40920, or S40930 at the option of the seller. Material meeting the requirements of S40910, S40920, or S40930, may at the option of the manufacturer be certified as S40900.
A
... ...
S44635
S44800 S46800
...
S44627
... ...
XM-27H
S44700 S44735
0.010G
XM-33H
S44626
...
0.06
...
S44500
S44660
0.020
444
S44400
0.030
...
S43932
0.12 0.12
CarbonD
... ...
TypeC
S43400 S43600
UNS DesignationB
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
SA-240 1998 SECTION II
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SA-240
TABLE 2 MECHANICAL TEST REQUIREMENTS
UNS Designation
TypeA
Tensile Strength, min ksi MPa
Yield StrengthB min ksi MPa
Elongation in 2 in. or 50 mm, min, %
A99
Hardness, maxC Brinell Rockwell B
Cold Bend°
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) N08367 Sheet and Strip Plate N08800 N08810 N08904 N08926 S20100 S20100 S20103 S20153 S20161 S20200 S20400 S30100 S30200 S30400 S30403 S30409 S30415 S30451 S30453 S30500 S30600 S30601 S30615 S30815 S30908 S30909 S30940 S30941 S31008 S31009 S31040 S31041 S31254 S31266 S31600 S31603 S31653 S31609 S31635 S31640 S31651 S31700 S31725 S31726 S31703 S31753 S32050 S32100 S32109 S32615I S32654 S33228 S34565 S34700 S34709 S34800 S34809 S35315
... ... 904LF ... 201-1G 201-2G 201LF 201LNF ... 202 ... 301 302 304 304L 304H ... 304N 304LN 305 ... ... ... ... 309S 309HF 309CbF 309HCbF 310S 310HF 310CbF 310HCbF ... ... 316 316L 316LN 316H 316TiF 316CbF 316N 317 ... ... 317L 317LN ... 321 321H ... ... ... ... 347 347H 348 348H ...
100 95 75 65 71 94 75 95 95 95 125 90 95 75 75 75 70 75 87 80 75 75 78 78 90 87 75 75 75 75 75 75 75 75 94 109 75 70 75 75 75 75 80 75 75 80 75 80 98 75 75 80 109 73 115 75 75 75 75 94
690 655 520 450 490 650 515 655 655 655 860 620 655 515 515 515 485 515 600 550 515 515 540 540 620 600 515 515 515 515 515 515 515 515 650 750 515 485 515 515 515 515 550 515 515 550 515 550 675 515 515 550 750 500 795 515 515 515 515 650
45 45 30D 25D 31 43 38 45 38 45 50 38 48 30 30 30 25 30 42 35 30 30 35 37 40 45 30 30 30 30 30 30 30 30 44 61 30 25 30 30 30 30 35 30 30 35 30 35 48 30 30 32 62 27 60 30 30 30 30 39
310 310 205D 170D 220 295 260 310 260 310 345 260 330 205 205 205 170 205 290 240 205 205 240 255 275 310 205 205 205 205 205 205 205 205 300 420 205 170 205 205 205 205 240 205 205 240 205 240 330 205 205 220 430 185 415 205 205 205 205 270
30.0 30.0 30.0E 30.0 35.0 35.0 40.0 40.0 40.0 45.0 40.0 40.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 30.0 40.0 40.0 40.0 30.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 30.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 25 40.0 30.0 35.0 40.0 40.0 40.0 40.0 40.0
... 241 ... ... ... ... ... 217 217 241 255 241 241 217 201 201 201 201 217 201 201 183 ... ... 217 217 217 217 217 217 217 217 217 217 223 ... 217 217 217 217 217 217 217 217 217 223 217 217 250 217 217 ... 250 217 241 201 201 201 201 217
100 ... ... ... 90 ... 95 100 95 100 25H ... 100 95 92 92 92 92 95 92 92 88 ... ... 95 95 95 95 95 95 95 95 95 95 96 ... 95 95 95 95 95 95 95 95 95 96 95 95 ... 95 95 ... ... 95 100 92 92 92 92 95
not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not
required required required required required required ... ... required required required ... required required required required required required required required required required ... required required ... required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required
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SA-240
1998 SECTION II TABLE 2 (CONT’D) MECHANICAL TEST REQUIREMENTS
A99
UNS Designation
TypeA
Tensile Strength, min ksi MPa
Yield StrengthB min ksi MPa
Elongation in 2 in. or 50 mm, min, %
Hardness, maxC Brinell Rockwell B
Cold Bend°
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) S38100 S30452 Sheet and Plate S31050 S21600 Sheet and Plate S21603 Sheet and Plate S20910 Sheet and Plate S24000 Sheet and Plate S21400 Sheet Strip S21800
XM-15J XM-21J
75
515
30
205
40.0
217
95
not required
90 85 80
620 585 550
50 40 35
345 275 240
30.0 30.0 30
241 241 217
100 100 95
not required not required not required
100 90
690 620
60 50
415 345
40.0 40.0
241 241
100 100
not required not required
100 90
690 620
60 50
415 345
40.0 40.0
241 241
100 100
not required not required
105 100
725 690
60 55
415 380
30.0 35.0
241 241
100 100
not required not required
100 100
690 690
60 55
415 380
40.0 40.0
241 241
100 100
not required not required
...
125 105 95
860 725 655
70 55 50
485 380 345
40.0 40.0 35.0
... ... 241
... ... 100
not required not required not required
... ... ... ... ... ... ... ... ... ... 329 ...
100 100 90 90 90 87 112 110 116 108 90 100
690 690 620 620 620 600 770 760 795 750 620 690
293 290 293 ... 293 290 310 302 310 270 269 293
31H ... 31H 25D 31H 32H ... 32H 32H ... 28H 32H
not required ... not required not required not required not required not required not required not required not required not required not required
Strip 310MoLNF XM-17H Strip XM-18J Strip XM-19J Strip XM-29J Strip XM-31J
Duplex (Austenitic-Ferritic) S31200 S31260 S31803 S32001 S32205 S32304 S32520 S32550 S32750 S32760 S32900 S32950K
65 70 65 65 65 58 80 80 80 80 70 70
450 485 450 450 450 400 550 550 550 550 485 485
25.0 20.0 25.0 25.0 25.0 25.0 25.0 15.0 15.0 25.0 15.0 15.0
Ferritic or Martensitic (Chromium) S32803 S40500 S40900L S40910 S40920 S40930 S40945 S40975 S41000 S41003 S41008 S41045 S41050 S41500 S42900 S43000 S43035 S43400 S43600 S43932 S44400 S44500 S44626 S44627 S44635
... 405 409L ... ... ... ... ... 410 ... 410S ... ... ... 429F 430 439 ... ... ... ... ... XM-33J XM-27J ...
87 60
600 415
72 25
500 170
16.0 20.0
241 179
100 88
not required 180
55 55 55 55 60 65 66 60 55 60 115 65 65 60 65 65 60 60 62 68 65 90
380 380 380 380 415 450 455 415 380 415 795 450 450 415 450 450 415 415 427 470 450 620
25 25 25 30 40 30 40 30 30 30 90 30 30 30 35 35 30 40 30 45 40 75
170 170 170 205 275 205 275 205 205 205 620 205 205 205 240 240 205 275 205 310 275 515
20.0 20.0 20.0 22.0 20.0 20.0 18.0 22.0M 22.0 22.0 15.0 22.0M 22.0M 22.0 22.0 22.0 22.0 20.0 22 20.0 22.0 20.0
179 179 179 ... 197 217 223 183 ... 183 302 183 183 183 ... ... 183 217 ... 217 187 269
88 88 88 80 92 96 20H 89 80 89 32H 89 89 89 89 89 89 96 83 96 90 28F
180 180 180 180 180 180 not required 180 180 180 not required 180 180 180 180 180 180 180 180 180 180 180
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PART A — FERROUS MATERIAL SPECIFICATIONS
SA-240
TABLE 2 (CONT’D) MECHANICAL TEST REQUIREMENTS Tensile Strength, min UNS Designation
TypeA
ksi
MPa
Yield StrengthB min ksi
MPa
Elongation in 2 in. or 50 mm, min, %
A99
Hardness, maxC Brinell
Rockwell B
Cold Bend°
241 223 255 223 ...
100 20F 25F 20F 90
180 180 180 180 180
Ferritic or Martensitic (Chromium) S44660 S44700 S44735 S44800 S46800
... ... ... ... ...
85 80 80 80 60
585 550 550 550 415
65 60 60 60 30
450 415 415 415 205
18.0 20.0 18.0 20.0 22
A B
Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI). Yield strength shall be determined by the offset method at 0.2% in accordance with Test Methods and Definitions A 370. Unless otherwise specified (see Specification A 480/A 480M, paragraph 4.1.11 in Ordering Information), an alternative method of determining yield strength may be based on total extension under load of 0.5%. C Either Brinell or Rockwell B Hardness is permissible. D Yield strength requirements shall not apply to material under 0.020 in. (0.50 mm) in thickness. E Not applicable for thickness under 0.010 in. (0.25 mm). F Common name, not a trademark, widely used, not associated with any one producer. G Type 201 is generally produced with a chemical composition balanced for rich side (Type 201-1) or lean side (Type 201-2) austenite stability depending on the properties required for specific applications. H Rockwell C scale. I For S32615, the grain size as determined in accordance with the Test Methods E 112, Comparison Method, Plate II, shall be No. 3 or finer. J Naming system developed and applied by ASTM. K Prior to Specification A 240–89b, the tensile value for S32950 was 90 ksi. L S40900 (Type 409) has been replaced by S40910, S40920, and S40930. Unless otherwise specified in the ordering information, an order specifying S40900 or Type 409 shall be satisfied by any one of S40910, S40920, or S40930 at the option of the seller. Material meeting the requirements of S40910, S40920, or S40930, may at the option of the manufacturer be certified as S40900. M Material 0.050 in (1.27 mm) and under in thickness shall have a minimum elongation of 20.0%.
370.1
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1.
Scope
2.
1.1 This specification covers chromium, chromiumnickel, and chromium-manganese-nickel stainless and heat-resisting steel plate, sheet, and strip for pressure vessels.
Referenced Documents
2.1 ASTM Standards: A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A 480/A 480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip E 112 Test Methods for Determining Average Grain Size E 527 Practice for Numbering Metals and Alloys (UNS)
1.2 Some steels covered by this specification, especially the chromium steels, because of their particular alloy content and specialized properties, may require special care in their fabrication and welding. Specific procedures are of fundamental importance, and it is presupposed that all parameters will be in accordance with approved methods capable of producing the desired properties in the finished fabrication.
2.2 SAE Standard: J 1086 Practice for Numbering Metals and Alloys (UNS)
3.
General Requirements
3.1 The following requirements for orders for material furnished under this specification shall conform to the applicable requirements of the current edition of Specification A 480/A 480M.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
3.1.1 Definitions, 3.1.2 General requirements for delivery, 3.1.3 Ordering information, 3.1.4 Process, 3.1.5 Special tests,
1.4 This specification and the applicable material specifications are expressed in both inch-pound and SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished in inch-pound units.
3.1.6 Heat treatment, 3.1.7 Dimensions and permissible variations, 3.1.8 Workmanship, finish and appearance, 363
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1998 SECTION II
3.1.9 Number of tests/test methods, 3.1.10 Specimen preparation, 3.1.11 Retreatment, 3.1.12 Inspection, 3.1.13 Rejection and rehearing, 3.1.14 Material test report, 3.1.15 Certification, and 3.1.16 Packaging, marking, and loading.
4.
Chemical Composition
4.1 The steel shall conform to the requirements as to chemical composition specified in Table 1, and shall conform to applicable requirements specified in Specification A 480/A 480M.
5.
Mechanical Properties
5.1 The material shall conform to the mechanical properties specified in Table 2.
A99
6.
Grain Size for Austenitic H Types
6.1 The austenitic H Types shall conform to an average grain size of ASTM No. 7 or coarser as measured by Test Methods E 112.
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A99
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0.05–0.10 0.020 0.020 0.15 0.03 0.03 0.15 0.15 0.030 0.06 0.12 0.08 0.03 0.10 0.08 0.15 0.15 0.08 0.030 0.04–0.10 0.04–0.06 0.08 0.08 0.030 0.12 0.018 0.015 0.16–0.24 0.05–0.10 0.08 0.04–0.10 0.08 0.04–0.10 0.08 0.04–0.10 0.08 0.04–0.10
...
904LG
... 201 ... ... ... 202 ... XM-19H
XM-31H XM-17H XM-18H ... XM-29H 301 302 304 304L 304H ... 304N XM-21 304LN 305 ... ... ... ... 309S 309HG 309CbG
309HCbG
310S 310HG 310CbG
310HCbG
N08810
N08904 N08926 S20100 S20103 S20153 S20161 S20200 S20400 S20910
S21400 S21600 S21603 S21800 S24000 S30100 S30200 S30400 S30403 S30409 S30415 S30451 S30452 S30453 S30500 S30600 S30601 S30615 S30815 S30908 S30909 S30940
S30941
S31008 S31009 S31040
S31041
0.030 0.10
CarbonD
... ...
TypeC
N08367 N08800
UNS DesignationB
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2.00
2.00 2.00 2.00
2.00
14.00–16.00 7.50–9.00 7.50–9.00 7.00–9.00 11.50–14.50 2.00 2.00 2.00 2.00 2.00 0.80 2.00 2.00 2.00 2.00 2.00 0.50–0.80 2.00 0.80 2.00 2.00 2.00
2.00 2.00 5.50–7.50 5.50–7.50 6.40–7.50 4.00–6.00 7.50–10.0 7.00–9.00 4.00–6.00
1.50
2.00 1.50
Manganese
Sulfur
Silicon
Chromium
Nickel
Molybdenum
0.045
0.045 0.045 0.045
0.045
0.045 0.045 0.045 0.060 0.060 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.020 0.030 0.030 0.040 0.045 0.045 0.045
0.045 0.030 0.060 0.045 0.045 0.040 0.060 0.040 0.040
0.045
0.040 0.045
0.030
0.030 0.030 0.030
0.030
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.020 0.013 0.030 0.030 0.030 0.030 0.030
0.035 0.010 0.030 0.030 0.015 0.040 0.030 0.030 0.030
0.015
0.030 0.015
0.75
1.50 0.75 1.50
0.75
0.30–1.00 0.75 0.75 3.50–4.50 0.75 1.00 0.75 0.75 0.75 0.75 1.00–2.00 0.75 0.75 0.75 0.75 3.7–4.3 5.00–5.60 3.2–4.0 1.40–2.00 0.75 0.75 0.75
1.00 0.50 1.00 0.75 0.75 3.00–4.00 1.00 1.00 0.75
1.00
1.00 1.00
24.00–26.00
24.00–26.00 24.00–26.00 24.00–26.00
22.00–24.00
17.00–18.50 17.50–22.00 17.50–22.00 16.00–18.00 17.00–19.00 16.00–18.00 17.00–19.00 18.00–20.00 18.00–20.00 18.00–20.00 18.00–19.00 18.00–20.00 18.00–20.00 18.00–20.00 17.00–19.00 17.0–18.5 17.00–18.00 17.0–19.5 20.00–22.00 22.00–24.00 22.00–24.00 22.00–24.00
19.00–23.00 19.00–21.00 16.00–18.00 16.00–18.00 16.00–17.50 15.00–18.00 17.00–19.00 15.00–17.00 20.50–23.50
19.0–23.0
20.00–22.00 19.0–23.0
19.00–22.00
19.00–22.00 19.00–22.00 19.00–22.00
12.00–16.00
1.00 5.00–7.00 5.00–7.00 8.00–9.00 2.25–3.75 6.00–8.00 8.00–10.00 8.00–10.50 8.00–12.00 8.00–10.50 9.00–10.00 8.00–10.50 8.00–10.50 8.00–12.00 10.50–13.00 14.0–15.5 17.00–18.00 13.5–16.0 10.00–12.00 12.00–15.00 12.00–15.00 12.00–16.00
23.00–28.00 24.00–26.00 3.50–5.50 3.50–5.50 4.00–5.00 4.00–6.00 4.00–6.00 1.50–3.00 11.50–13.50
30.0–35.0
23.50–25.50 30.0–35.0
...
... ... ...
...
... 2.00–3.00 2.00–3.00 ... ... ... ... ... ... ... ... ... ... ... ... 0.20 0.20 ... ... ... ... ...
4.0–5.0 6.0–7.0 ... ... ... ... ... ... 1.50–3.00
...
6.00–7.00 ...
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)
Phosphorus
TABLE 1 CHEMICAL COMPOSITION REQUIREMENTS, %A
...
... ... ...
...
0.14–0.20 ... ... ...
0.35 min 0.25–0.50 0.25–0.50 0.08–0.18 0.20–0.40 0.10 0.10 0.10 0.10 ... 0.12–0.18 0.10–0.16 0.16–0.30 0.10–0.16 ... ... 0.050
0.10 0.15–0.25 0.25 0.25 0.10–0.25 0.08–0.20 0.25 0.15–0.30 0.20–0.40
...
0.18–0.25 ...
Nitrogen
...
... ... ...
...
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 0.50 0.35 ... ... ... ... ...
1.0–2.0 0.5–1.5 ... ... 1.00 ... ... ... ...
0.75
0.75 0.75
Copper
... Al 0.15–0.60 Ti 0.15–0.60 Al 0.15–0.60 Ti 0.15–0.60 ... ... ... ... ... ... ... ... Cb 0.10–0.30 V 0.10–0.30 ... ... ... ... ... ... ... ... ... ... Ce 0.03–0.08 ... ... ... ... ... ... Al 0.8–1.5 Ce 0.03–0.08 ... ... Cb 10 × C min, 1.10 max Cb 10 × C min, 1.10 max ... ... Cb 10 × C min, 1.10 max Cb 10 × C min, 1.10 max
Other ElementsE, F
PART A — FERROUS MATERIAL SPECIFICATIONS SA-240
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... 347
347H
348
S34565 S34700
S34709
S34800
... XM-15H
... ... ...
S32615 S32654 S33228
S35315 S38100
321H
S32109
348H
316N 316LN 317 317L ... ... 317LNG ... 321
S31651 S31653 S31700 S31703 S31725 S31726 S31753 S32050 S32100
S34809
0.08
316CbG
S31640
0.04–0.08 0.08
0.04–0.10
0.08
0.04–0.10
0.030 0.08
0.07 0.020 0.04–0.08
0.04–0.10
0.08 0.030 0.08 0.030 0.030 0.030 0.030 0.030 0.08
0.030 0.020 0.030 0.08 0.030 0.04–0.10 0.08
... ... 316 316L 316H 316TiG
S31050 S31254 S31266 S31600 S31603 S31609 S31635
CarbonD
TypeC
310MoLNG
UNS DesignationB
2.00 2.00
2.00
2.00
2.00
5.00–7.00 2.00
2.00 2.00–4.00 1.00
2.00
2.00 2.00 2.00 2.00 2.00 2.00 2.00 1.50 2.00
2.00
2.00 1.00 2.00–4.00 2.00 2.00 2.00 2.00
Manganese
Sulfur
Silicon
Chromium
Nickel
Molybdenum
0.040 0.030
0.045
0.045
0.045
0.030 0.045
0.045 0.030 0.020
0.045
0.045 0.045 0.045 0.045 0.045 0.045 0.045 0.035 0.045
0.045
0.030 0.030 0.035 0.045 0.045 0.045 0.045
0.030 0.030
0.030
0.030
0.030
0.010 0.030
0.030 0.005 0.015
0.030
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.020 0.030
0.030
0.010 0.010 0.020 0.030 0.030 0.030 0.030
1.20–2.00 1.50–2.50
0.75
0.75
0.75
1.00 0.75
4.8–6.0 0.50 0.030
0.75
0.75 0.75 0.75 0.75 0.75 0.75 0.75 1.00 0.75
0.75
0.50 0.80 1.00 0.75 0.75 0.75 0.75
24.00–26.00 17.00–19.00
17.00–19.00
17.00–19.00
17.00–19.00
23.00–25.00 17.00–19.00
16.5–19.5 24.00–25.00 26.0–28.0
17.00–19.00
16.00–18.00 16.00–18.00 18.00–20.00 18.00–20.00 18.00–20.00 17.00–20.00 18.00–20.00 22.00–24.00 17.00–19.00
16.00–18.00
24.00–26.00 19.50–20.50 23.00–25.00 16.00–18.00 16.00–18.00 16.00–18.00 16.00–18.00
34.00–36.00 17.50–18.50
9.00–13.00
9.00–13.00
9.00–13.00
16.00–18.00 9.00–13.00
19.0–22.0 21.00–23.00 31.0–33.0
9.00–12.00
10.00–14.00 10.00–14.00 11.00–15.00 11.00–15.00 13.50–17.50 13.50–17.50 11.00–15.00 20.00–22.00 9.00–12.00
10.00–14.00
21.00–23.00 17.50–18.50 21.00–24.00 10.00–14.00 10.00–14.00 10.00–14.00 10.00–14.00
... ...
...
...
...
4.00–5.00 ...
0.30–1.5 7.00–8.00 ...
...
2.00–3.00 2.00–3.00 3.00–4.00 3.00–4.00 4.0–5.0 4.0–5.0 3.00–4.00 6.00–6.80 ...
2.0–3.0
2.00–3.00 6.00–6.50 5.00–7.00 2.00–3.00 2.00–3.00 2.00–3.00 2.0–3.0
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)
Phosphorus
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
0.12–0.18 ...
...
...
...
0.40–0.60 ...
... 0.45–0.55 ...
...
0.10–0.16 0.10–0.16 0.10 0.10 0.20 0.10–0.20 0.10–0.22 0.24–0.34 0.10
0.10
0.10–0.16 0.18–0.22 0.35–0.60 0.10 0.10 ... 0.10
Nitrogen
... ...
...
...
...
... ...
1.5–2.5 0.30–0.60 ...
...
... ... ... ... ... ... ... 0.40 ...
...
... 0.50–1.00 0.50–3.00 ... ... ... ...
Copper
... ... W 1.00–3.00 ... ... ... Ti 5 × (C + N) min, 0.70 max Cb 10 × C min, 1.10 max ... ... ... ... ... ... ... ... Ti 5 × (C + N) min, 0.70 max Ti 4 × (C + N) min, 0.70 max ... ... Ce 0.05–0.10 Cb 0.6–1.0 Al 0.025 Cb 0.10 Cb 10 × C min, 1.00 max Cb 8 × C min, 1.00 max Cb + Ta 10 × C min, 1.00 max Ta 0.10 max Co 0.20 Cb + Ta 8 × C min, 1.00 max Ta 0.10 max Co 0.20 Ce 0.03–0.08 ...
Other ElementsE, F
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...
...
...
...
410 ... 410S ...
... ... 429G 430 439
S40920
S40930
S40945
S40975
S41000 S41003 S41008 S41045
S41050 S41500E S42900 S43000 S43035
...
S32803
405 409I ...
329 ...
S32900 S32950
S40500 S40900I S40910
... ... ... ... ... ... ... ... ... ...
TypeC
S31200 S31260 S31803 S32001 S32205 S32304 S32520 S32550 S32750 S32760
UNS DesignationB
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0.040 0.05 0.12 0.12 0.07
0.15 0.03 0.08 0.030
0.030
0.030
0.030
1.00 0.5–1.0 1.00 1.00 1.00
1.00 1.50 1.00 1.00
1.00
1.00
1.00
1.00
1.00
0.030 0.030
1.00
0.50
1.00 2.00
2.00 1.00 2.00 4.0–6.0 2.00 2.50 1.50 1.5 1.20 1.00
Manganese
0.08
0.015
0.08 0.03
0.030 0.03 0.030 0.030 0.030 0.030 0.030 0.04 0.030 0.030
CarbonD
0.045 0.030 0.040 0.040 0.040
0.040 0.040 0.040 0.040
0.040
0.040
0.040
0.040
0.040
0.040
0.020
0.040 0.035
0.045 0.030 0.030 0.040 0.030 0.040 0.035 0.040 0.035 0.030
Phosphorus
0.030 0.030 0.030 0.030 0.030
0.030 0.030 0.030 0.030
0.030
0.030
0.010
0.010
0.010
0.030
Chromium
23.00–28.00 26.00–29.00
24.0–26.0 24.0–26.0 21.0–23.0 19.5–21.5 22.0–23.0 21.5–24.5 24.00–26.00 24.0–27.0 24.0–26.0 24.00–26.00 2.50–5.00 3.50–5.20
5.5–6.5 5.50–7.50 4.50–6.50 1.00–3.00 4.50–6.50 3.00–5.50 5.50–8.00 4.5–6.5 6.00–8.00 6.00–8.00
Nickel
1.00 0.60 1.00 1.00 1.00
1.00 1.00 1.00 1.00
1.00
1.00
1.00
1.00
1.00
1.00
10.50–12.50 11.5–14.0 14.00–16.00 16.00–18.00 17.00–19.00
11.50–13.50 10.50–12.50 11.50–13.50 12.00–13.00
10.50–11.75
10.50–11.75
10.5–11.7
10.5–11.7
10.5–11.7
11.50–14.50
28.00–29.00
0.60–1.10 3.5–5.5 ... 0.75 0.050
0.75 1.50 0.60 0.50
0.50–1.00
0.50
0.50
0.50
0.50
0.60
3.0–4.0
Ferritic or Martensitic (Chromium)
0.75 0.60
1.00 0.75 1.00 1.00 1.00 1.00 0.80 1.0 0.80 1.00
Duplex (Austenitic-Ferritic)
Silicon
0.0035 0.55
0.030 0.010
0.030 0.030 0.020 0.030 0.020 0.030 0.020 0.030 0.020 0.010
Sulfur
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
... 0.5–1.0 ... ... ...
... ... ... ...
...
...
...
...
...
...
1.8–2.5
1.0–2.0 1.00–2.50
1.2–2.0 2.50–3.50 2.50–3.50 0.60 3.00–3.50 0.05–0.60 3.00–5.00 2.9–3.9 3.00–5.00 3.00–4.00
Molybdenum
0.10 ... ... ... 0.04
... ... ... 0.030
0.030
0.030
0.030
0.030
0.030
0.020 (C + N) 0.030 max ...
... 0.15–0.35
0.14–0.20 0.10–0.30 0.08–0.20 0.05–0.17 0.14–0.20 0.05–0.20 0.20–0.35 0.10–0.25 0.24–0.32 0.20–0.30
Nitrogen
... ... ... ... ...
... ... ... ...
...
...
...
...
...
...
...
... ...
... 0.20–0.80 ... 1.00 ... 0.05–0.60 0.50–3.00 1.5–2.5 0.50 0.50–1.00
Copper
Ti 6 × (C + N) min; 0.50 max Ti 8 × (C + N) min; 0.15–0.50 (Cb + Ti) 0.08 + 8 (C + N) min; 0.75 max; Ti 0.05 min Cb 0.18–0.40 Ti 0.05–0.20 Ti 6 (C + N) min and 0.75 max ... N 0.030 max ... Cb 9 (C + N) min, 0.60 max ... ... ... ... Ti 0.20 + 4 (C + N) min; 1.10 max Al 0.15 max
Al 0.10–0.30
Cb 0.15–0.50 12 (C + N) min
... W 0.10–0.50 ... ... ... ... ... ... ... W 050–1.00 Cr + 3.3 Mo + 16 N p 40 min ... ...
Other ElementsE, F
PART A — FERROUS MATERIAL SPECIFICATIONS SA-240
367
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A99
ASME B&PVC
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0.010 0.030
0.010 0.030
0.030
0.025
0.025
0.30 1.00
0.30 1.00
1.00
1.00
0.40
0.75
1.00
1.00
1.00
1.00 1.00
Manganese
0.025 0.040
0.025 0.040
0.040
0.040
0.020
0.040
0.040
0.040
0.040
0.040 0.040
Phosphorus
0.020 0.030
0.020 0.030
0.030
0.030
0.020
0.020
0.012
0.030
0.030
0.030 0.030
Sulfur
Chromium
Nickel
0.20 1.00
0.20 1.00
1.00
0.75
0.40
0.75
1.00
1.00
1.00
1.00 1.00
28.0–30.0 18.00–20.00
28.0–30.0 28.00–30.00
25.0–28.0
24.5–26.0
25.00–27.50
25.00–27.00
19.00–21.00
17.5–19.5
17.0–19.0
16.00–18.00 16.00–18.00
2.0–2.5 0.50
0.15 1.00
1.0–3.50
3.5–4.5
0.50
0.50
0.60
1.00
0.50
... ...
Ferritic or Martensitic (Chromium)
Silicon
3.5–4.2 ...
3.5–4.2 3.60–4.20
3.00–4.00
3.5–4.5
0.75–1.50
0.75–1.50
...
1.75–2.50
...
0.75–1.25 0.75–1.25
Molybdenum
0.020 ...
0.020 0.045
0.040
0.035
0.015E
0.04
0.03
0.035
0.030
... ...
Nitrogen
0.15 ...
0.15 ...
...
...
0.20
0.20
0.30–0.60
...
...
... ...
Copper
... Cb 5 × C min; 0.80 max Ti + Cb 0.20 + 4 (C + N) min; 0.75 max Al 0.15 max Ti + Cb 0.20 + 4 (C + N) min; 0.80 max Cb 10 (C + N) − 0.80 Ti 0.20–1.00 7 (C + N) min Cb 0.05–0.20 Ni + Cu 0.50 max Ti + Cb 0.20 + 4 (C + N) min; 0.80 max Ti + Cb p 0.20 − 1.00 and 6 (C + N) min (C + N) 0.025 max Ti + Cb p 0.20– 1.00 and 6 (C + N) min (C + N) 0.025 max Ti 0.07–0.30 Cb 0.10–0.60 N 0.030 max Ti + Cb p 0.20 + 4 (C + N) min; 0.80 max
Other ElementsE, F
B
Maximum, unless range or minimum is indicated. Designation established in accordance with Practice E 527 and SAE J 1086. C Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI). D Carbon analysis shall be reported to nearest 0.01% except for the low-carbon types, which shall be reported to nearest 0.001%. E The Columbium (Cb) and Niobium (Nb) both relate to the same element. F When two minimums or two maximums are listed for a single type, as in the case of both a value from a formula and an absolute value, the higher minimum or lower maximum shall apply. G Common name, not a trademark, widely used, not associated with any one producer. H Naming system developed and applied by ASTM. I S40900 (Type 409) has been replaced by S40910, S40920, and S40930. Unless otherwise specified in the ordering information, an order specifying S40900 or Type 409 shall be satisfied by any one of S40910, S40920, or S40930 at the option of the seller. Material meeting the requirements of S40910, S40920, or S40930, may at the option of the manufacturer be certified as S40900.
A
... ...
S44635
S44800 S46800
...
S44627
... ...
XM-27H
S44700 S44735
0.010G
XM-33H
S44626
...
0.06
...
S44500
S44660
0.020
444
S44400
0.030
...
S43932
0.12 0.12
CarbonD
... ...
TypeC
S43400 S43600
UNS DesignationB
TABLE 1 (CONT’D) CHEMICAL COMPOSITION REQUIREMENTS, %A
SA-240 1998 SECTION II
368
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PART A — FERROUS MATERIAL SPECIFICATIONS
SA-240
TABLE 2 MECHANICAL TEST REQUIREMENTS
UNS Designation
TypeA
Tensile Strength, min ksi MPa
Yield StrengthB min ksi MPa
Elongation in 2 in. or 50 mm, min, %
A99
Hardness, maxC Brinell Rockwell B
Cold Bend°
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) N08367 Sheet and Strip Plate N08800 N08810 N08904 N08926 S20100 S20100 S20103 S20153 S20161 S20200 S20400 S30100 S30200 S30400 S30403 S30409 S30415 S30451 S30453 S30500 S30600 S30601 S30615 S30815 S30908 S30909 S30940 S30941 S31008 S31009 S31040 S31041 S31254 S31266 S31600 S31603 S31653 S31609 S31635 S31640 S31651 S31700 S31725 S31726 S31703 S31753 S32050 S32100 S32109 S32615I S32654 S33228 S34565 S34700 S34709 S34800 S34809 S35315
... ... 904LF ... 201-1G 201-2G 201LF 201LNF ... 202 ... 301 302 304 304L 304H ... 304N 304LN 305 ... ... ... ... 309S 309HF 309CbF 309HCbF 310S 310HF 310CbF 310HCbF ... ... 316 316L 316LN 316H 316TiF 316CbF 316N 317 ... ... 317L 317LN ... 321 321H ... ... ... ... 347 347H 348 348H ...
100 95 75 65 71 94 75 95 95 95 125 90 95 75 75 75 70 75 87 80 75 75 78 78 90 87 75 75 75 75 75 75 75 75 94 109 75 70 75 75 75 75 80 75 75 80 75 80 98 75 75 80 109 73 115 75 75 75 75 94
690 655 520 450 490 650 515 655 655 655 860 620 655 515 515 515 485 515 600 550 515 515 540 540 620 600 515 515 515 515 515 515 515 515 650 750 515 485 515 515 515 515 550 515 515 550 515 550 675 515 515 550 750 500 795 515 515 515 515 650
45 45 30D 25D 31 43 38 45 38 45 50 38 48 30 30 30 25 30 42 35 30 30 35 37 40 45 30 30 30 30 30 30 30 30 44 61 30 25 30 30 30 30 35 30 30 35 30 35 48 30 30 32 62 27 60 30 30 30 30 39
310 310 205D 170D 220 295 260 310 260 310 345 260 330 205 205 205 170 205 290 240 205 205 240 255 275 310 205 205 205 205 205 205 205 205 300 420 205 170 205 205 205 205 240 205 205 240 205 240 330 205 205 220 430 185 415 205 205 205 205 270
30.0 30.0 30.0E 30.0 35.0 35.0 40.0 40.0 40.0 45.0 40.0 40.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 30.0 40.0 40.0 40.0 30.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 30.0 35.0 35.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 25 40.0 30.0 35.0 40.0 40.0 40.0 40.0 40.0
... 241 ... ... ... ... ... 217 217 241 255 241 241 217 201 201 201 201 217 201 201 183 ... ... 217 217 217 217 217 217 217 217 217 217 223 ... 217 217 217 217 217 217 217 217 217 223 217 217 250 217 217 ... 250 217 241 201 201 201 201 217
100 ... ... ... 90 ... 95 100 95 100 25H ... 100 95 92 92 92 92 95 92 92 88 ... ... 95 95 95 95 95 95 95 95 95 95 96 ... 95 95 95 95 95 95 95 95 95 96 95 95 ... 95 95 ... ... 95 100 92 92 92 92 95
not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not not
required required required required required required ... ... required required required ... required required required required required required required required required required ... required required ... required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required required
369
ASME B&PVC
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SA-240
1998 SECTION II TABLE 2 (CONT’D) MECHANICAL TEST REQUIREMENTS
A99
UNS Designation
TypeA
Tensile Strength, min ksi MPa
Yield StrengthB min ksi MPa
Elongation in 2 in. or 50 mm, min, %
Hardness, maxC Brinell Rockwell B
Cold Bend°
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) S38100 S30452 Sheet and Plate S31050 S21600 Sheet and Plate S21603 Sheet and Plate S20910 Sheet and Plate S24000 Sheet and Plate S21400 Sheet Strip S21800
XM-15J XM-21J
75
515
30
205
40.0
217
95
not required
90 85 80
620 585 550
50 40 35
345 275 240
30.0 30.0 30
241 241 217
100 100 95
not required not required not required
100 90
690 620
60 50
415 345
40.0 40.0
241 241
100 100
not required not required
100 90
690 620
60 50
415 345
40.0 40.0
241 241
100 100
not required not required
105 100
725 690
60 55
415 380
30.0 35.0
241 241
100 100
not required not required
100 100
690 690
60 55
415 380
40.0 40.0
241 241
100 100
not required not required
...
125 105 95
860 725 655
70 55 50
485 380 345
40.0 40.0 35.0
... ... 241
... ... 100
not required not required not required
... ... ... ... ... ... ... ... ... ... 329 ...
100 100 90 90 90 87 112 110 116 108 90 100
690 690 620 620 620 600 770 760 795 750 620 690
293 290 293 ... 293 290 310 302 310 270 269 293
31H ... 31H 25D 31H 32H ... 32H 32H ... 28H 32H
not required ... not required not required not required not required not required not required not required not required not required not required
Strip 310MoLNF XM-17H Strip XM-18J Strip XM-19J Strip XM-29J Strip XM-31J
Duplex (Austenitic-Ferritic) S31200 S31260 S31803 S32001 S32205 S32304 S32520 S32550 S32750 S32760 S32900 S32950K
65 70 65 65 65 58 80 80 80 80 70 70
450 485 450 450 450 400 550 550 550 550 485 485
25.0 20.0 25.0 25.0 25.0 25.0 25.0 15.0 15.0 25.0 15.0 15.0
Ferritic or Martensitic (Chromium) S32803 S40500 S40900L S40910 S40920 S40930 S40945 S40975 S41000 S41003 S41008 S41045 S41050 S41500 S42900 S43000 S43035 S43400 S43600 S43932 S44400 S44500 S44626 S44627 S44635
... 405 409L ... ... ... ... ... 410 ... 410S ... ... ... 429F 430 439 ... ... ... ... ... XM-33J XM-27J ...
87 60
600 415
72 25
500 170
16.0 20.0
241 179
100 88
not required 180
55 55 55 55 60 65 66 60 55 60 115 65 65 60 65 65 60 60 62 68 65 90
380 380 380 380 415 450 455 415 380 415 795 450 450 415 450 450 415 415 427 470 450 620
25 25 25 30 40 30 40 30 30 30 90 30 30 30 35 35 30 40 30 45 40 75
170 170 170 205 275 205 275 205 205 205 620 205 205 205 240 240 205 275 205 310 275 515
20.0 20.0 20.0 22.0 20.0 20.0 18.0 22.0M 22.0 22.0 15.0 22.0M 22.0M 22.0 22.0 22.0 22.0 20.0 22 20.0 22.0 20.0
179 179 179 ... 197 217 223 183 ... 183 302 183 183 183 ... ... 183 217 ... 217 187 269
88 88 88 80 92 96 20H 89 80 89 32H 89 89 89 89 89 89 96 83 96 90 28F
180 180 180 180 180 180 not required 180 180 180 not required 180 180 180 180 180 180 180 180 180 180 180
370
ASME B&PVC
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PART A — FERROUS MATERIAL SPECIFICATIONS
SA-240
TABLE 2 (CONT’D) MECHANICAL TEST REQUIREMENTS Tensile Strength, min UNS Designation
TypeA
ksi
MPa
Yield StrengthB min ksi
MPa
Elongation in 2 in. or 50 mm, min, %
A99
Hardness, maxC Brinell
Rockwell B
Cold Bend°
241 223 255 223 ...
100 20F 25F 20F 90
180 180 180 180 180
Ferritic or Martensitic (Chromium) S44660 S44700 S44735 S44800 S46800
... ... ... ... ...
85 80 80 80 60
585 550 550 550 415
65 60 60 60 30
450 415 415 415 205
18.0 20.0 18.0 20.0 22
A B
Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI). Yield strength shall be determined by the offset method at 0.2% in accordance with Test Methods and Definitions A 370. Unless otherwise specified (see Specification A 480/A 480M, paragraph 4.1.11 in Ordering Information), an alternative method of determining yield strength may be based on total extension under load of 0.5%. C Either Brinell or Rockwell B Hardness is permissible. D Yield strength requirements shall not apply to material under 0.020 in. (0.50 mm) in thickness. E Not applicable for thickness under 0.010 in. (0.25 mm). F Common name, not a trademark, widely used, not associated with any one producer. G Type 201 is generally produced with a chemical composition balanced for rich side (Type 201-1) or lean side (Type 201-2) austenite stability depending on the properties required for specific applications. H Rockwell C scale. I For S32615, the grain size as determined in accordance with the Test Methods E 112, Comparison Method, Plate II, shall be No. 3 or finer. J Naming system developed and applied by ASTM. K Prior to Specification A 240–89b, the tensile value for S32950 was 90 ksi. L S40900 (Type 409) has been replaced by S40910, S40920, and S40930. Unless otherwise specified in the ordering information, an order specifying S40900 or Type 409 shall be satisfied by any one of S40910, S40920, or S40930 at the option of the seller. Material meeting the requirements of S40910, S40920, or S40930, may at the option of the manufacturer be certified as S40900. M Material 0.050 in (1.27 mm) and under in thickness shall have a minimum elongation of 20.0%.
370.1
ASME B&PVC
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