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ASTM A959 446 vs BS 970 EN61

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

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

As per chemical composition, ASTM A959 446 vs BS 970 EN61 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 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
78%
MECHANICAL MATCH
No shared data
OVERALL
78%
Specifications
Property ASTM A959 446 BS 970 EN61
Standard ASTM A959:2011 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) <=0.20 <=0.12
Cr (%) 23.0-27.0 20.0-22.0
Mn (%) <=1.50 <=1.00
N (%) <=0.25 Not specified
Ni (%) <=0.75 <=0.50
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.045
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 446
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
BS 970 EN61
Not documented
Key Differences
Can ASTM A959 446 Be Substituted With BS 970 EN61?
ASTM A959 446 and BS 970 EN61 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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BS 970 EN61
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Frequently Asked Questions
What is the difference between ASTM A959 446 and BS 970 EN61?
ASTM A959 446 specifies N which is not specified for BS 970 EN61.
Can ASTM A959 446 be substituted with BS 970 EN61?
ASTM A959 446 and BS 970 EN61 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.