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ASTM A959 446 vs ASTM A959 443

Close Alternative — 79.8% match based on chemical composition and mechanical property overlap.

ASTM A959 446 (ASTM A959:2011) and ASTM A959 443 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 446 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A959 443 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A959 446 is defined under ASTM International, originating from United States, while ASTM A959 443 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 446 vs ASTM A959 443 is a 79.8% 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 79.8%.

Frequently Compared With ASTM A959 446:
EN 10088-1 1.4006 ASTM A959 .- EN 10088-1 1.4401 EN 10088-1 1.4845 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
79.8%
MECHANICAL MATCH
No shared data
OVERALL
79.8%
Specifications
Property ASTM A959 446 ASTM A959 443
Standard ASTM A959:2011 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.20 <=0.20
Cr (%) 23.0-27.0 18.0-23.0
Mn (%) <=1.50 <=1.00
N (%) <=0.25 Not specified
Ni (%) <=0.75 <=0.50
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cu (%) Not specified 0.90-1.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 446
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A959 443
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A959 446 Be Substituted With ASTM A959 443?
ASTM A959 446 and ASTM A959 443 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.
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ASTM A959 446
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ASTM A959 443
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Frequently Asked Questions
What is the difference between ASTM A959 446 and ASTM A959 443?
ASTM A959 446 specifies N which is not specified for ASTM A959 443. ASTM A959 443 specifies Cu which is not specified for ASTM A959 446.
Can ASTM A959 446 be substituted with ASTM A959 443?
ASTM A959 446 and ASTM A959 443 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.