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BS 970 EN61 vs ASTM A959 446

Close Alternative — 78% match based on chemical composition and mechanical property overlap.

BS 970 EN61 (BS 970:1955) and ASTM A959 446 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN61 is defined under British Standards (BS), originating from United Kingdom, while ASTM A959 446 is defined under ASTM International, originating from United States.

As per chemical composition, BS 970 EN61 vs ASTM A959 446 is a 78% 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 78%.

Frequently Compared With BS 970 EN61:
IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 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) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
78%
MECHANICAL MATCH
No shared data
OVERALL
78%
Specifications
Property BS 970 EN61 ASTM A959 446
Standard BS 970:1955 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.12 <=0.20
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.50
Ni (%) <=0.50 <=0.75
Cr (%) 20.0-22.0 23.0-27.0
S (%) <=0.045 <=0.030
P (%) <=0.045 <=0.040
N (%) Not specified <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN61
Not documented
ASTM A959 446
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can BS 970 EN61 Be Substituted With ASTM A959 446?
BS 970 EN61 and ASTM A959 446 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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BS 970 EN61
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ASTM A959 446
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Frequently Asked Questions
What is the difference between BS 970 EN61 and ASTM A959 446?
ASTM A959 446 specifies N which is not specified for BS 970 EN61.
Can BS 970 EN61 be substituted with ASTM A959 446?
BS 970 EN61 and ASTM A959 446 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.