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ASTM A240/A240M S31260 vs ASTM A959 S39274

Strong Match — 85.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S31260 (ASTM A240/A240M:2025) and ASTM A959 S39274 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S31260 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S39274 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S31260 is defined under ASTM International, originating from United States, while ASTM A959 S39274 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S31260 vs ASTM A959 S39274 is a 85.8% 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 85.8%.

Frequently Compared With ASTM A240/A240M S31260:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H ASTM A959 .- GB/T 3280 06Cr19Ni10
Match Breakdown
CHEMISTRY MATCH
85.8%
MECHANICAL MATCH
No shared data
OVERALL
85.8%
Specifications
Property ASTM A240/A240M S31260 ASTM A959 S39274
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.03 <=0.030
Mn (%) <=1.00 <=1.00
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.020
Si (%) <=0.75 <=0.80
Cr (%) 24.0-26.0 24.0-26.0
Ni (%) 5.5-7.5 6.0-8.0
Mo (%) 2.5-3.5 2.5-3.5
N (%) 0.10-0.30 0.24-0.32
Cu (%) 0.20-0.80 0.20-0.80
W (%) 0.10-0.50 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 A240/A240M S31260 ASTM A959 S39274
Tensile Strength >=690 MPa Not specified
Yield Strength >=485 MPa Not specified
Elongation >=20% Not specified
Hardness <=290 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S31260
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S39274
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can ASTM A240/A240M S31260 Be Substituted With ASTM A959 S39274?
ASTM A240/A240M S31260 and ASTM A959 S39274 overlap closely enough on chemistry and mechanical properties that ASTM A959 S39274 is often considered as a substitute for ASTM A240/A240M S31260 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 A240/A240M S31260
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ASTM A959 S39274
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S31260 and ASTM A959 S39274?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S31260 be substituted with ASTM A959 S39274?
ASTM A240/A240M S31260 and ASTM A959 S39274 overlap closely enough on chemistry and mechanical properties that ASTM A959 S39274 is often considered as a substitute for ASTM A240/A240M S31260 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.