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BS 970 EN56AM vs BS 970 EN56CM

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

BS 970 EN56AM (BS 970:1955) and BS 970 EN56CM (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN56AM is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN56CM is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN56AM vs BS 970 EN56CM is a 91.7% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.9%.

Frequently Compared With BS 970 EN56AM:
EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
91.7%
MECHANICAL MATCH
100%
OVERALL
84.9%
Specifications
Property BS 970 EN56AM BS 970 EN56CM
Standard BS 970:1955 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) <=0.12 0.18-0.25
Si (%) <=1.00 <=1.00
Mn (%) <=1.50 <=1.50
Ni (%) <=1.00 <=1.00
Cr (%) 12.0-14.0 12.0-14.0
Mo (%) <=0.60 <=0.60
S (%) <=0.75 <=0.75
Se (%) <=0.60 <=0.60
Zr (%) <=0.60 <=0.60
Pb (%) <=0.35 <=0.35
P (%) <=0.045 <=0.045
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN56AM BS 970 EN56CM
Tensile Strength ≥541 MPa (35 tons/sq in, converted) ≥541 MPa (35 tons/sq in, converted)
Elongation ≥20% ≥20%
Hardness 152-207 HB 152-207 HB
Condition Hardened and tempered P, ruling section 6 in (lowest-strength condition of the standard) Hardened and tempered P, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
BS 970 EN56AM
Suitable for 35/45 (P), 45/55 (R), 50/60 (S) tons/sq in.
BS 970 EN56CM
Not documented
Can BS 970 EN56AM Be Substituted With BS 970 EN56CM?
BS 970 EN56AM and BS 970 EN56CM 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 EN56AM
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BS 970 EN56CM
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Frequently Asked Questions
What is the difference between BS 970 EN56AM and BS 970 EN56CM?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN56AM be substituted with BS 970 EN56CM?
BS 970 EN56AM and BS 970 EN56CM 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.