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ASTM A240/A240M S35125 vs ASTM A959 S35125

Strong Match — 94.4% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S35125 (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 S35125 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 S35125 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 S35125 vs ASTM A959 S35125 is a 94.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 94.4%.

Frequently Compared With ASTM A240/A240M S35125:
EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH GOST 5632 08X18H10 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
94.4%
MECHANICAL MATCH
No shared data
OVERALL
94.4%
Specifications
Property ASTM A240/A240M S35125 ASTM A959 S35125
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.10 <=0.10
Mn (%) 1.00-1.50 1.00-1.50
P (%) <=0.045 <=0.045
S (%) <=0.015 <=0.015
Si (%) <=0.50 <=0.50
Cr (%) 20.0-23.0 20.0-23.0
Ni (%) 31.0-35.0 31.0-35.0
Mo (%) 2.00-3.00 2.00-3.00
Nb (%) 0.25-0.60 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 S35125 ASTM A959 S35125
Tensile Strength >=485 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=35% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S35125
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 S35125 Be Substituted With ASTM A959 S35125?
ASTM A240/A240M S35125 and ASTM A959 S35125 overlap closely enough on chemistry and mechanical properties that ASTM A959 S35125 is often considered as a substitute for ASTM A240/A240M S35125 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A240/A240M S35125
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ASTM A959 S35125
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S35125 and ASTM A959 S35125?
ASTM A240/A240M S35125 specifies Nb which is not specified for ASTM A959 S35125. ASTM A959 S35125 specifies Cb which is not specified for ASTM A240/A240M S35125.
Can ASTM A240/A240M S35125 be substituted with ASTM A959 S35125?
ASTM A240/A240M S35125 and ASTM A959 S35125 overlap closely enough on chemistry and mechanical properties that ASTM A959 S35125 is often considered as a substitute for ASTM A240/A240M S35125 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.