Post Stock Login Register

ASTM A240/A240M S44330 vs ASTM A959 S44535

Close Alternative — 77.1% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44330 (ASTM A240/A240M:2025) and ASTM A959 S44535 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44330 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S44535 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S44330 is defined under ASTM International, originating from United States, while ASTM A959 S44535 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S44330 vs ASTM A959 S44535 is a 77.1% 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 77.1%.

Frequently Compared With ASTM A240/A240M S44330:
GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
77.1%
MECHANICAL MATCH
No shared data
OVERALL
77.1%
Specifications
Property ASTM A240/A240M S44330 ASTM A959 S44535
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.030
Mn (%) <=1.00 0.30-0.80
P (%) <=0.040 <=0.050
S (%) <=0.030 <=0.020
Si (%) <=1.00 <=0.50
Cr (%) 20.0-23.0 20.0-24.0
N (%) <=0.025 Not specified
Cu (%) 0.30-0.80 <=0.50
Al (%) Not specified <=0.50
La (%) Not specified 0.04-0.20
Ti (%) Not specified 0.03-0.20
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 S44330 ASTM A959 S44535
Tensile Strength >=390 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=22% Not specified
Hardness <=187 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S44330
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S44535
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S44330 Be Substituted With ASTM A959 S44535?
ASTM A240/A240M S44330 and ASTM A959 S44535 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.
On M-EX Right Now
ASTM A240/A240M S44330
0 active listings and RFQs →
ASTM A959 S44535
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S44330 and ASTM A959 S44535?
ASTM A240/A240M S44330 specifies N which is not specified for ASTM A959 S44535. ASTM A959 S44535 specifies Al, La, Ti which are not specified for ASTM A240/A240M S44330.
Can ASTM A240/A240M S44330 be substituted with ASTM A959 S44535?
ASTM A240/A240M S44330 and ASTM A959 S44535 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.