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ASTM A240/A240M S41500 vs ASTM A959 S32950

Related Material — 66.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S41500 (ASTM A240/A240M:2025) and ASTM A959 S32950 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S41500 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S32950 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S41500 is defined under ASTM International, originating from United States, while ASTM A959 S32950 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S41500 vs ASTM A959 S32950 is a 66.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 66.8%.

Frequently Compared With ASTM A240/A240M S41500:
EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 ASTM A959 25-4-4 GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
66.8%
MECHANICAL MATCH
No shared data
OVERALL
66.8%
Specifications
Property ASTM A240/A240M S41500 ASTM A959 S32950
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.05 <=0.030
Mn (%) 0.50-1.00 <=2.00
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.010
Si (%) <=0.60 <=0.60
Cr (%) 11.5-14.0 26.0-29.0
Ni (%) 3.5-5.5 3.5-5.2
Mo (%) 0.50-1.00 1.00-2.50
N (%) Not specified 0.15-0.35
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 S41500 ASTM A959 S32950
Tensile Strength >=795 MPa Not specified
Yield Strength >=620 MPa Not specified
Elongation >=15% Not specified
Hardness <=302 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S41500
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S32950
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S41500 Be Substituted With ASTM A959 S32950?
ASTM A240/A240M S41500 and ASTM A959 S32950 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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ASTM A240/A240M S41500
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ASTM A959 S32950
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S41500 and ASTM A959 S32950?
ASTM A959 S32950 specifies N which is not specified for ASTM A240/A240M S41500.
Can ASTM A240/A240M S41500 be substituted with ASTM A959 S32950?
ASTM A240/A240M S41500 and ASTM A959 S32950 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.