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ASTM A959 S32003 vs ASTM A240/A240M S82031

Close Alternative — 71.9% match based on chemical composition and mechanical property overlap.

ASTM A959 S32003 (ASTM A959:2011) and ASTM A240/A240M S82031 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S32003 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S82031 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 S32003 is defined under ASTM International, originating from United States, while ASTM A240/A240M S82031 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 S32003 vs ASTM A240/A240M S82031 is a 71.9% 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 71.9%.

Frequently Compared With ASTM A959 S32003:
ASTM A959 2205 GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10
Match Breakdown
CHEMISTRY MATCH
71.9%
MECHANICAL MATCH
No shared data
OVERALL
71.9%
Specifications
Property ASTM A959 S32003 ASTM A240/A240M S82031
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.05
Cr (%) 19.5-22.5 19.0-22.0
Mn (%) <=2.00 <=2.50
Mo (%) 1.50-2.00 0.60-1.40
N (%) 0.14-0.20 0.14-0.24
Ni (%) 3.0-4.0 2.0-4.0
P (%) <=0.030 <=0.040
S (%) <=0.020 <=0.005
Si (%) <=1.00 <=0.80
Cu (%) Not specified <=1.00
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 S32003 ASTM A240/A240M S82031
Tensile Strength Not specified >=700 MPa
Yield Strength Not specified >=500 MPa
Elongation Not specified >=35%
Hardness Not specified <=31 HRC
Condition Not specified t <= 0.187 in. [5.00 mm] (first condition printed); yield by 0.2 percent offset
Typical Applications
ASTM A959 S32003
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S82031
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can ASTM A959 S32003 Be Substituted With ASTM A240/A240M S82031?
ASTM A959 S32003 and ASTM A240/A240M S82031 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 S32003
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ASTM A240/A240M S82031
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Frequently Asked Questions
What is the difference between ASTM A959 S32003 and ASTM A240/A240M S82031?
ASTM A240/A240M S82031 specifies Cu which is not specified for ASTM A959 S32003.
Can ASTM A959 S32003 be substituted with ASTM A240/A240M S82031?
ASTM A959 S32003 and ASTM A240/A240M S82031 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.