ASTM A240 A240M-24b 压力容器和一般应用用铬和铬镍不锈钢板、薄板和带材的标准规范

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Designation: A240/A240M −24b
Standard Specification for
Chromium and Chromium-Nickel Stainless Steel Plate,
Sheet, and Strip for Pressure Vessels and for General
Applications
1
This standard is issued under the fixed designation A240/A240M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification
2
covers chromium, chromium-nickel,
and chromium-manganese-nickel stainless steel plate, sheet,
and strip for pressure vessels and for general applications
including architectural, building, construction, and aesthetic
applications.
1.2 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance
with the standard.
1.3 This specification is 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.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
3
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
A480/A480M Specification for General Requirements for
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
Sheet, and Strip
A923 Test Methods for Detecting Detrimental Intermetallic
Phase in Duplex Austenitic/Ferritic Stainless Steels
A1084 Test Method for Detecting Detrimental Phases in
Lean Duplex Austenitic/Ferritic Stainless Steels
E112 Test Methods for Determining Average Grain Size
E140 Hardness Conversion Tables for Metals Relationship
Among Brinell Hardness, Vickers Hardness, Rockwell
Hardness, Superficial Hardness, Knoop Hardness, Sclero-
scope Hardness, and Leeb Hardness
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
2.2 SAE Standard:
4
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 appli-
cable requirements of the current edition of Specification
A480/A480M.
3.1.1 Definitions,
3.1.2 General requirements for delivery,
3.1.3 Ordering information,
3.1.4 Process,
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.17 on Flat-Rolled and Wrought Stainless Steel.
Current edition approved Nov. 15, 2024. Published December 2024. Originally
approved in 1940. Last previous edition approved in 2024 as A240/A240M – 24a.
DOI: 10.1520/A0240_A0240M-24B.
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
cation SA-240 in Section II of that Code.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at www.astm.org/contact. For Annual Book of
ASTM Standards volume information, refer to the standard’s Document Summary
page on the ASTM website.
4
Available from SAE International (SAE), 400 Commonwealth Dr., Warrendale,
PA 15096, http://www.sae.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
1
3.1.5 Special tests,
3.1.6 Heat treatment,
3.1.7 Dimensions and permissible variations,
3.1.8 Workmanship, finish and appearance,
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 A480/
A480M.
5. Mechanical Properties
5.1 The material shall conform to the mechanical properties
specified in Table 2.
5.2 When specified by the purchaser, Charpy impact tests
shall be performed in accordance with Supplementary Require-
ment S1.
5.3 When specified by the purchaser, 1 % offset yield
strength shall be measured and reported in accordance with
Supplementary Requirement S3.
6. Materials for High-temperature Service
6.1 The austenitic HTypes shall conform to an average
grain size of ASTM No. 7 or coarser as measured by Test
Methods E112.
6.2 Supplementary Requirement S2 shall be invoked when
non-H grade austenitic stainless steels are ordered for ASME
Code applications for service above 1000 °F [540 °C].
6.3 Grade S31060, unless otherwise specified in the pur-
chase order, shall conform to an average grain size of ASTM
No. 7 or coarser, as measured by Test Methods E112.
6.4 Annealed alloy UNS N08332 shall conform to an
average grain size of ASTM No. 5 or coarser, as measured by
Test Methods E112.
7. Keywords
7.1 architectural; building; chromium; chromium-
manganese-nickel stainless steel; chromium-nickel stainless
steel; construction
A240/A240M − 24b
2
TABLE 1 Chemical Composition Requirements, %
A
UNS
Desig.
B
Type
C
C
D
Mn P S Si Cr Ni Mo N Cu Other
Elements
E,F
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)
N08020 . . . 0.07 2.00 0.045 0.035 1.00 19.0–21.0 32.0–38.0 2.00–3.00 . . . 3.00–4.00 Nb 8×C min,
1.00 max
N08028 . . . 0.030 2.50 0.030 0.030 1.00 26.0–28.0 30.0–34.0 3.0–4.0 {0.6–1.4
N08031 . . . 0.015 2.00 0.020 0.010 0.30 26.0–28.0 30.0–32.0 6.0–7.0 0.15–0.25 1.0–1.4
N08330 . . . 0.08 2.00 0.030 0.030 0.75–1.50 17.0–20.0 34.0–37.0 { { 1.00 Pb 0.005 max
Sn 0.025 max
N08332 . . . 0.05–0.10 2.00 0.030 0.030 0.75–1.50 17.0–20.0 34.0–37.0 { { 1.00 Pb 0.005 max
Sn 0.025 max
N08367 . . . 0.030 2.00 0.040 0.030 1.00 20.0–22.0 23.5–25.5 6.0–7.0 0.18–0.25 0.75 . . .
N08700 . . . 0.04 2.00 0.040 0.030 1.00 19.0–23.0 24.0–26.0 4.3–5.0 . . . 0.50 Nb 8×C min
0.40 max
N08800 800
G
0.10 1.50 0.045 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . 0.75 Fe
H
39.5 min
Al 0.15–0.60
Ti 0.15–0.60
N08810 800H
G
0.05–0.10 1.50 0.045 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . 0.75 Fe
H
39.5 min
Al 0.15–0.60
Ti 0.15–0.60
N08811 . . . 0.06–0.10 1.50 0.040 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . 0.75 Fe
H
39.5 min
Ti
I
0.25–0.60
Al
I
0.25–0.60
N08904 904L
G
0.020 2.00 0.045 0.035 1.00 19.0–23.0 23.0–28.0 4.00–5.00 0.10 1.00–2.00 . . .
N08925 . . . 0.020 1.00 0.045 0.030 0.50 19.0–21.0 24.0–26.0 6.00–7.00 0.10–0.20 0.80–1.50 . . .
N08926 . . . 0.020 2.00 0.030 0.010 0.50 19.0–21.0 24.0–26.0 6.00–7.00 0.15–0.25 0.50–1.50 . . .
N08932 . . . 0.020 2.00 0.025 0.010 0.40 24.0–26.0 24.0–26.0 4.5–6.5 0.15–0.25 1.0–2.0 . . .
S20100 201 0.15 5.50–7.50 0.060 0.030 1.00 16.0–18.0 3.5–5.5 . . . 0.25 . . . . . .
S20103 . . . 0.03 5.50–7.50 0.045 0.030 0.75 16.0–18.0 3.5–5.5 . . . 0.25 . . . . . .
S20153 201LN
G
0.03 6.40–7.50 0.045 0.015 0.75 16.0–17.5 4.0–5.0 . . . 0.10–0.25 1.00 . . .
S20161 . . . 0.15 4.00–6.00 0.040 0.040 3.00–4.00 15.0–18.0 4.0–6.0 . . . 0.08–0.20 . . . . . .
S20200 202 0.15 7.50–10.00 0.060 0.030 1.00 17.0–19.0 4.0–6.0 . . . 0.25 . . . . . .
S20400 . . . 0.030 7.00–9.00 0.040 0.030 1.00 15.0–17.0 1.50–3.00 . . . 0.15–0.30 . . . . . .
S20431 . . . 0.12 5.00–7.00 0.045 0.030 1.00 17.0–18.0 2.0–4.0 . . . 0.10–0.25 1.50–3.50 . . .
S20432 . . . 0.08 3.00–5.00 0.045 0.030 1.00 17.0–18.0 4.0–6.0 . . . 0.05–0.20 2.00–3.00 . . .
S20433 . . . 0.08 5.50–7.50 0.045 0.030 1.00 17.0–18.0 3.5–5.5 . . . 0.10–0.25 1.50–3.50 . . .
S20910 XM-19
J
0.06 4.00–6.00 0.040 0.030 0.75 20.5–23.5 11.5–13.5 1.50–3.00 0.20–0.40 . . . Nb 0.10–0.30
V 0.10–0.30
S21400 XM-31
J
0.12 14.00–16.00 0.045 0.030 0.30–1.00 17.0–18.5 1.00 . . . 0.35 min . . . . . .
S21600 XM-17
J
0.08 7.50–9.00 0.045 0.030 0.75 17.5–22.0 5.0–7.0 2.00–3.00 0.25–0.50 . . . . . .
S21603 XM-18
J
0.03 7.50–9.00 0.045 0.030 0.75 17.5–22.0 5.0–7.0 2.00–3.00 0.25–0.50 . . . . . .
S21640 . . . 0.08 3.50–6.50 0.060 0.030 1.00 17.5–19.5 4.0–6.5 0.50–2.00 0.08–0.30 . . . Nb 0.10–1.00
S21800 . . . 0.10 7.00–9.00 0.060 0.030 3.5–4.5 16.0–18.0 8.0–9.0 . . . 0.08–0.18 . . . . . .
S21904 XM-11
J
0.04 8.00–10.00 0.060 0.030 0.75 19.0–21.5 5.5–7.5 . . . 0.15–0.40 . . . . . .
S24000 XM-29
J
0.08 11.50–14.50 0.060 0.030 0.75 17.0–19.0 2.3–3.7 . . . 0.20–0.40 . . . . . .
S30100 301 0.15 2.00 0.045 0.030 1.00 16.0–18.0 6.0–8.0 . . . 0.10 . . . . . .
S30103 301L
G
0.03 2.00 0.045 0.030 1.00 16.0–18.0 6.0–8.0 . . . 0.20 . . . . . .
S30153 301LN
G
0.03 2.00 0.045 0.030 1.00 16.0–18.0 6.0–8.0 . . . 0.07–0.20 . . . . . .
S30200 302 0.15 2.00 0.045 0.030 0.75 17.0–19.0 8.0–10.0 . . . 0.10 . . . . . .
S30400 304 0.08 2.00 0.045 0.030 0.75 18.0–20.0 8.0–11.0 . . . 0.10 . . . . . .
S30403 304L 0.030 2.00 0.045 0.030 0.75 18.0–20.0 8.0–12.0 . . . 0.10 . . . . . .
S30409 304H 0.04–0.10 2.00 0.045 0.030 0.75 18.0–20.0 8.0–10.5 . . . . . . . . . . . .
S30415 . . . 0.04–0.06 0.80 0.045 0.030 1.00–2.00 18.0–19.0 9.0–10.0 . . . 0.12–0.18 . . . Ce 0.03–0.08
S30416 . . . 0.030 2.00 0.045 0.015 0.80–2.00 17.5–19.5 9.0–11.0 0.40–0.80 0.10 . . . . . .
S30435 . . . 0.08 2.00 0.045 0.030 1.00 16.0–18.0 7.0–9.0 . . . . . . 1.50–3.00 . . .
S30441 . . . 0.08 2.00 0.045 0.030 1.0–2.0 17.5–19.5 8.0–10.5 . . . 0.10 1.5–2.5 Nb 0.1–0.5
W 0.2–0.8
S30451 304N 0.08 2.00 0.045 0.030 0.75 18.0–20.0 8.0–10.5 . . . 0.10–0.16 . . . . . .
S30452 XM-21
J
0.08 2.00 0.045 0.030 0.75 18.0–20.0 8.0–10.5 . . . 0.16–0.30 . . . . . .
S30453 304LN 0.030 2.00 0.045 0.030 0.75 18.0–20.0 8.0–12.0 . . . 0.10–0.16 . . . . . .
S30500 305 0.12 2.00 0.045 0.030 0.75 17.0–19.0 10.5–13.0 . . . . . . . . . . . .
S30530 . . . 0.08 2.00 0.045 0.030 0.50–2.50 17.0–20.5 8.5–11.5 0.75–1.50 . . . 0.75–3.50 . . .
S30600 . . . 0.018 2.00 0.020 0.020 3.7–4.3 17.0–18.5 14.0–15.5 0.20 . . . 0.50 . . .
S30616 . . . 0.020 1.50 0.030 0.015 3.9–4.7 16.5–18.5 13.0–15.5 0.50 . . . 0.40 Nb 0.30–0.70
S30601 . . . 0.015 0.50–0.80 0.030 0.013 5.0–5.6 17.0–18.0 17.0–18.0 0.20 0.05 0.35 . . .
S30615 . . . 0.16–0.24 2.00 0.030 0.030 3.2–4.0 17.0–19.5 13.5–16.0 . . . . . . . . . Al 0.80–1.50
S30815 . . . 0.05–0.10 0.80 0.040 0.030 1.40–2.00 20.0–22.0 10.0–12.0 . . . 0.14–0.20 . . . Ce 0.03–0.08
S30908 309S 0.08 2.00 0.045 0.030 0.75 22.0–24.0 12.0–15.0 . . . . . . . . . . . .
S30909 309H
G
0.04–0.10 2.00 0.045 0.030 0.75 22.0–24.0 12.0–15.0 . . . . . . . . . . . .
S30926 . . . 0.10 5.0–7.0 0.045 0.030 1.00 22.5–24.5 9.0–11.0 1.00–3.00 0.40–0.60 . . . V 0.03–0.30
B 0.010
S30940 309Cb
G
0.08 2.00 0.045 0.030 0.75 22.0–24.0 12.0–16.0 . . . . . . . . . Nb 10×C min, 1.10
max
S30941 309HCb
G
0.04–0.10 2.00 0.045 0.030 0.75 22.0–24.0 12.0–16.0 . . . . . . . . . Nb 10×C min, 1.10
max
S31008 310S 0.08 2.00 0.045 0.030 1.50 24.0–26.0 19.0–22.0 . . . . . . . . . . . .
S31009 310H
G
0.04–0.10 2.00 0.045 0.030 0.75 24.0–26.0 19.0–22.0 . . . . . . . . . . . .
A240/A240M − 24b
3

标签： #压力容器 #不锈钢 #薄板

摘要：

本规范ASTM A240/A240M-24b详细规定了适用于压力容器和一般工业应用领域的铬及铬镍不锈钢板、薄板和带材的化学成分、力学性能、热处理要求、尺寸公差及检验标准。该版本为最新修订版，涵盖了304、304L、316、316L、321、347等常用奥氏体不锈钢牌号，以及部分铁素体和马氏体不锈钢牌号。规范旨在确保材料在高温、高压及腐蚀性环境中的可靠性与安全性，广泛应用于锅炉、化工储罐、热交换器及核设备制造等领域。内容还包括材料表面状态、非破坏性检测（如超声波检验）标准及合格判定规则，为采购、设

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