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BS 970 EN59 vs ASTM A959 308

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 EN59 (BS 970:1955) and ASTM A959 308 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN59 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars., while ASTM A959 308 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). BS 970 EN59 is defined under British Standards (BS), originating from United Kingdom, while ASTM A959 308 is defined under ASTM International, originating from United States.

As per chemical composition, BS 970 EN59 vs ASTM A959 308 is a 70.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With BS 970 EN59:
IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
70.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN59 ASTM A959 308
Standard BS 970:1955 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.74-0.84 <=0.08
Si (%) 1.75-2.25 <=1.00
Mn (%) 0.20-0.60 <=2.00
Ni (%) 1.15-1.65 10.0-12.0
Cr (%) 19.0-20.5 19.0-21.0
S (%) <=0.030 <=0.030
P (%) <=0.030 <=0.045
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN59
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
ASTM A959 308
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can BS 970 EN59 Be Substituted With ASTM A959 308?
BS 970 EN59 and ASTM A959 308 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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BS 970 EN59
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Frequently Asked Questions
What is the difference between BS 970 EN59 and ASTM A959 308?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN59 be substituted with ASTM A959 308?
BS 970 EN59 and ASTM A959 308 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.