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ASTM A959 635 vs ASTM A959 631

Strong Match — 85.2% match based on chemical composition and mechanical property overlap.

ASTM A959 635 (ASTM A959:2011) and ASTM A959 631 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 635 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A959 631 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A959 635 is defined under ASTM International, originating from United States, while ASTM A959 631 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 635 vs ASTM A959 631 is a 85.2% 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 85.2%.

Frequently Compared With ASTM A959 635:
GB/T 3280 06Cr19Ni10 ASTM A959 .- GOST 5632 06Kh23N28 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
Match Breakdown
CHEMISTRY MATCH
85.2%
MECHANICAL MATCH
No shared data
OVERALL
85.2%
Specifications
Property ASTM A959 635 ASTM A959 631
Standard ASTM A959:2011 ASTM A959:2011
Category Stainless Steel Stainless Steel
Al (%) <=0.40 0.75-1.50
C (%) <=0.08 <=0.09
Cr (%) 16.0-17.5 16.0-18.0
Mn (%) <=1.00 <=1.00
Ni (%) 6.0-7.5 6.5-7.7
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Ti (%) 0.40-1.20 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 635
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A959 631
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A959 635 Be Substituted With ASTM A959 631?
ASTM A959 635 and ASTM A959 631 overlap closely enough on chemistry and mechanical properties that ASTM A959 631 is often considered as a substitute for ASTM A959 635 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 A959 635
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ASTM A959 631
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Frequently Asked Questions
What is the difference between ASTM A959 635 and ASTM A959 631?
ASTM A959 635 specifies Ti which is not specified for ASTM A959 631.
Can ASTM A959 635 be substituted with ASTM A959 631?
ASTM A959 635 and ASTM A959 631 overlap closely enough on chemistry and mechanical properties that ASTM A959 631 is often considered as a substitute for ASTM A959 635 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.