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ASTM A959 S41026 vs BS 970 EN56AM

Close Alternative — 70.1% match based on chemical composition and mechanical property overlap.

ASTM A959 S41026 (ASTM A959:2011) and BS 970 EN56AM (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S41026 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while BS 970 EN56AM is commonly used for suitable for 35/45 (p), 45/55 (r), 50/60 (s) tons/sq in.. ASTM A959 S41026 is defined under ASTM International, originating from United States, while BS 970 EN56AM is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A959 S41026 vs BS 970 EN56AM is a 70.1% 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 70.1%.

Frequently Compared With ASTM A959 S41026:
IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
70.1%
MECHANICAL MATCH
No shared data
OVERALL
70.1%
Specifications
Property ASTM A959 S41026 BS 970 EN56AM
Standard ASTM A959:2011 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) <=0.15 <=0.12
Cr (%) 11.5-13.5 12.0-14.0
Cu (%) <=0.50 Not specified
Mn (%) <=1.00 <=1.50
Mo (%) 0.40-0.60 <=0.60
Ni (%) 1.00-2.00 <=1.00
P (%) <=0.02 <=0.045
S (%) <=0.02 <=0.75
Si (%) <=1.00 <=1.00
Se (%) Not specified <=0.60
Zr (%) Not specified <=0.60
Pb (%) Not specified <=0.35
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 S41026 BS 970 EN56AM
Tensile Strength Not specified ≥541 MPa (35 tons/sq in, converted)
Elongation Not specified ≥20%
Hardness Not specified 152-207 HB
Condition Not specified Hardened and tempered P, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
ASTM A959 S41026
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
BS 970 EN56AM
Suitable for 35/45 (P), 45/55 (R), 50/60 (S) tons/sq in.
Key Differences
Can ASTM A959 S41026 Be Substituted With BS 970 EN56AM?
ASTM A959 S41026 and BS 970 EN56AM 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 S41026
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BS 970 EN56AM
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Frequently Asked Questions
What is the difference between ASTM A959 S41026 and BS 970 EN56AM?
ASTM A959 S41026 specifies Cu which is not specified for BS 970 EN56AM. BS 970 EN56AM specifies Se, Zr, Pb which are not specified for ASTM A959 S41026.
Can ASTM A959 S41026 be substituted with BS 970 EN56AM?
ASTM A959 S41026 and BS 970 EN56AM 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.