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ASTM A240/A240M S39274 vs ASTM A959 2507

Close Alternative — 84.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S39274 (ASTM A240/A240M:2025) and ASTM A959 2507 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S39274 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 2507 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S39274 is defined under ASTM International, originating from United States, while ASTM A959 2507 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S39274 vs ASTM A959 2507 is a 84.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.7%.

Frequently Compared With ASTM A240/A240M S39274:
EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
84.7%
MECHANICAL MATCH
No shared data
OVERALL
84.7%
Specifications
Property ASTM A240/A240M S39274 ASTM A959 2507
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=1.00 <=1.20
P (%) <=0.030 <=0.035
S (%) <=0.020 <=0.020
Si (%) <=0.80 <=0.80
Cr (%) 24.0-26.0 24.0-26.0
Ni (%) 6.0-8.0 6.0-8.0
Mo (%) 2.5-3.5 3.0-5.0
N (%) 0.24-0.32 0.24-0.32
Cu (%) 0.20-0.80 <=0.50
W (%) 1.50-2.50 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S39274 ASTM A959 2507
Tensile Strength >=800 MPa Not specified
Yield Strength >=550 MPa Not specified
Elongation >=15% Not specified
Hardness <=310 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S39274
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 2507
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S39274 Be Substituted With ASTM A959 2507?
ASTM A240/A240M S39274 and ASTM A959 2507 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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ASTM A240/A240M S39274
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ASTM A959 2507
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S39274 and ASTM A959 2507?
ASTM A240/A240M S39274 specifies W which is not specified for ASTM A959 2507.
Can ASTM A240/A240M S39274 be substituted with ASTM A959 2507?
ASTM A240/A240M S39274 and ASTM A959 2507 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.