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ASTM A240/A240M S41050 vs ASTM A959 S40910

Close Alternative — 81.1% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S41050 (ASTM A240/A240M:2025) and ASTM A959 S40910 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S41050 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S40910 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S41050 is defined under ASTM International, originating from United States, while ASTM A959 S40910 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S41050 vs ASTM A959 S40910 is a 81.1% 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 81.1%.

Frequently Compared With ASTM A240/A240M S41050:
GOST 5632 06Kh23N28 GB/T 3280 06Cr19Ni10 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) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
81.1%
MECHANICAL MATCH
No shared data
OVERALL
81.1%
Specifications
Property ASTM A240/A240M S41050 ASTM A959 S40910
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.04 <=0.030
Mn (%) <=1.00 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.030 <=0.020
Si (%) <=1.00 <=1.00
Cr (%) 10.5-12.5 10.5-11.7
Ni (%) 0.60-1.10 <=0.50
N (%) <=0.10 <=0.030
Cb (%) Not specified <=0.17
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 S41050 ASTM A959 S40910
Tensile Strength >=415 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=22% Not specified
Hardness <=183 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S41050
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S40910
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S41050 Be Substituted With ASTM A959 S40910?
ASTM A240/A240M S41050 and ASTM A959 S40910 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 A240/A240M S41050
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ASTM A959 S40910
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S41050 and ASTM A959 S40910?
ASTM A959 S40910 specifies Cb which is not specified for ASTM A240/A240M S41050.
Can ASTM A240/A240M S41050 be substituted with ASTM A959 S40910?
ASTM A240/A240M S41050 and ASTM A959 S40910 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.