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ASTM A959 S34751 vs ASTM A240/A240M S34751

Close Alternative — 84.6% match based on chemical composition and mechanical property overlap.

ASTM A959 S34751 (ASTM A959:2011) and ASTM A240/A240M S34751 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S34751 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S34751 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 S34751 is defined under ASTM International, originating from United States, while ASTM A240/A240M S34751 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 S34751 vs ASTM A240/A240M S34751 is a 84.6% 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 84.6%.

Frequently Compared With ASTM A959 S34751:
EN 10088-1 1.4401 GOST 5632 06Kh23N28 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
84.6%
MECHANICAL MATCH
No shared data
OVERALL
84.6%
Specifications
Property ASTM A959 S34751 ASTM A240/A240M S34751
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.015 0.005-0.020
Cb (%) 0.20-0.50 Not specified
Cr (%) 17.0-20.0 17.0-19.0
Mn (%) <=2.00 <=2.00
N (%) 0.06-0.10 0.06-0.10
Ni (%) 9.0-13.0 9.0-13.0
P (%) <=0.020 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.00
Nb (%) Not specified 0.20-0.50
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 S34751 ASTM A240/A240M S34751
Tensile Strength Not specified >=515 MPa
Yield Strength Not specified >=205 MPa
Elongation Not specified >=40%
Hardness Not specified <=201 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 S34751
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S34751
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can ASTM A959 S34751 Be Substituted With ASTM A240/A240M S34751?
ASTM A959 S34751 and ASTM A240/A240M S34751 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 A959 S34751
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ASTM A240/A240M S34751
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Frequently Asked Questions
What is the difference between ASTM A959 S34751 and ASTM A240/A240M S34751?
ASTM A959 S34751 specifies Cb which is not specified for ASTM A240/A240M S34751. ASTM A240/A240M S34751 specifies Nb which is not specified for ASTM A959 S34751.
Can ASTM A959 S34751 be substituted with ASTM A240/A240M S34751?
ASTM A959 S34751 and ASTM A240/A240M S34751 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.