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ASTM A959 S39274 vs ASTM A240/A240M S39274

Strong Match — 100% match based on chemical composition and mechanical property overlap.

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

As per chemical composition, ASTM A959 S39274 vs ASTM A240/A240M S39274 is a 100% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 100%.

Frequently Compared With ASTM A959 S39274:
ASTM A959 2507 ASTM A959 .- GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 EN 10088-1 1.4845 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property ASTM A959 S39274 ASTM A240/A240M S39274
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Cr (%) 24.0-26.0 24.0-26.0
Cu (%) 0.20-0.80 0.20-0.80
Mn (%) <=1.00 <=1.00
Mo (%) 2.5-3.5 2.5-3.5
N (%) 0.24-0.32 0.24-0.32
Ni (%) 6.0-8.0 6.0-8.0
P (%) <=0.030 <=0.030
S (%) <=0.020 <=0.020
Si (%) <=0.80 <=0.80
W (%) 1.50-2.50 1.50-2.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 S39274 ASTM A240/A240M S39274
Tensile Strength Not specified >=800 MPa
Yield Strength Not specified >=550 MPa
Elongation Not specified >=15%
Hardness Not specified <=310 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 S39274
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S39274
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 S39274 Be Substituted With ASTM A240/A240M S39274?
ASTM A959 S39274 and ASTM A240/A240M S39274 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S39274 is often considered as a substitute for ASTM A959 S39274 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 S39274
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ASTM A240/A240M S39274
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Frequently Asked Questions
What is the difference between ASTM A959 S39274 and ASTM A240/A240M S39274?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 S39274 be substituted with ASTM A240/A240M S39274?
ASTM A959 S39274 and ASTM A240/A240M S39274 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S39274 is often considered as a substitute for ASTM A959 S39274 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.