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ASTM A240/A240M S33425 vs ASTM A959 S35125

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S33425 (ASTM A240/A240M:2025) and ASTM A959 S35125 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S33425 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S35125 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S33425 is defined under ASTM International, originating from United States, while ASTM A959 S35125 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S33425 vs ASTM A959 S35125 is a 71.7% 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 69.9%.

Frequently Compared With ASTM A240/A240M S33425:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401
Match Breakdown
CHEMISTRY MATCH
71.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M S33425 ASTM A959 S35125
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.10
Mn (%) <=1.50 1.00-1.50
P (%) <=0.045 <=0.045
S (%) <=0.020 <=0.015
Si (%) <=1.00 <=0.50
Cr (%) 21.0-23.0 20.0-23.0
Ni (%) 20.0-23.0 31.0-35.0
Mo (%) 2.00-3.00 2.00-3.00
Al (%) 0.15-0.60 Not specified
Ti (%) 0.15-0.60 Not specified
Cb (%) Not specified 0.25-0.60
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 S33425 ASTM A959 S35125
Tensile Strength >=515 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=40% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S33425
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S35125
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S33425 Be Substituted With ASTM A959 S35125?
ASTM A240/A240M S33425 and ASTM A959 S35125 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.
On M-EX Right Now
ASTM A240/A240M S33425
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ASTM A959 S35125
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S33425 and ASTM A959 S35125?
ASTM A240/A240M S33425 specifies Al, Ti which are not specified for ASTM A959 S35125. ASTM A959 S35125 specifies Cb which is not specified for ASTM A240/A240M S33425.
Can ASTM A240/A240M S33425 be substituted with ASTM A959 S35125?
ASTM A240/A240M S33425 and ASTM A959 S35125 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.