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ASTM A959 S40975 vs ASTM A959 S40977

Strong Match — 91% match based on chemical composition and mechanical property overlap.

ASTM A959 S40975 (ASTM A959:2011) and ASTM A959 S40977 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S40975 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A959 S40977 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A959 S40975 is defined under ASTM International, originating from United States, while ASTM A959 S40977 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 S40975 vs ASTM A959 S40977 is a 91% 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 91%.

Frequently Compared With ASTM A959 S40975:
ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
91%
MECHANICAL MATCH
No shared data
OVERALL
91%
Specifications
Property ASTM A959 S40975 ASTM A959 S40977
Standard ASTM A959:2011 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Cr (%) 10.5-11.7 10.5-12.5
Mn (%) <=1.00 <=1.50
N (%) <=0.030 <=0.030
Ni (%) 0.50-1.00 0.30-1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 S40975
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A959 S40977
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can ASTM A959 S40975 Be Substituted With ASTM A959 S40977?
ASTM A959 S40975 and ASTM A959 S40977 overlap closely enough on chemistry and mechanical properties that ASTM A959 S40977 is often considered as a substitute for ASTM A959 S40975 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 S40975
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ASTM A959 S40977
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Frequently Asked Questions
What is the difference between ASTM A959 S40975 and ASTM A959 S40977?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 S40975 be substituted with ASTM A959 S40977?
ASTM A959 S40975 and ASTM A959 S40977 overlap closely enough on chemistry and mechanical properties that ASTM A959 S40977 is often considered as a substitute for ASTM A959 S40975 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.