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ASTM A959 302B vs BS 970 EN58G

Close Alternative — 81.8% match based on chemical composition and mechanical property overlap.

ASTM A959 302B (ASTM A959:2011) and BS 970 EN58G (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 302B is defined under ASTM International, originating from United States, while BS 970 EN58G is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A959 302B vs BS 970 EN58G is a 81.8% 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 81.8%.

Frequently Compared With ASTM A959 302B:
GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
81.8%
MECHANICAL MATCH
No shared data
OVERALL
81.8%
Specifications
Property ASTM A959 302B BS 970 EN58G
Standard ASTM A959:2011 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) <=0.15 <=0.15
Cr (%) 17.0-19.0 17.0-20.0
Mn (%) <=2.00 <=2.00
N (%) <=0.10 Not specified
Ni (%) 8.0-10.0 9.0-12.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.045
Si (%) 2.00-3.00 >=0.20
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 302B BS 970 EN58G
Tensile Strength Not specified ≥541 MPa (35 tons/sq in, converted)
Yield Strength Not specified ≥185 MPa (12 tons/sq in, converted)
Elongation Not specified ≥30%
Condition Not specified , ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
ASTM A959 302B
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
BS 970 EN58G
Not documented
Key Differences
Can ASTM A959 302B Be Substituted With BS 970 EN58G?
ASTM A959 302B and BS 970 EN58G 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 302B
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BS 970 EN58G
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Frequently Asked Questions
What is the difference between ASTM A959 302B and BS 970 EN58G?
ASTM A959 302B specifies N which is not specified for BS 970 EN58G.
Can ASTM A959 302B be substituted with BS 970 EN58G?
ASTM A959 302B and BS 970 EN58G 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.