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BS 970 EN56C vs BS 970 (Part 1) 420S37

Strong Match — 94.6% match based on chemical composition and mechanical property overlap.

BS 970 EN56C (BS 970:1955) and BS 970 (Part 1) 420S37 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN56C is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 420S37 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN56C vs BS 970 (Part 1) 420S37 is a 94.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 94.6%.

Frequently Compared With BS 970 EN56C:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
94.6%
MECHANICAL MATCH
No shared data
OVERALL
94.6%
Specifications
Property BS 970 EN56C BS 970 (Part 1) 420S37
Standard BS 970:1955 BS 970 (Part 1):1983
Category Stainless Steel Stainless Steel
C (%) 0.18-0.25 0.20-0.28
Si (%) <=1.00 <=1.0
Mn (%) <=1.00 <=1.0
Ni (%) <=1.00 <=1.00
Cr (%) 12.0-14.0 12.0-14.0
S (%) <=0.045 <=0.030
P (%) <=0.045 <=0.040
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 EN56C BS 970 (Part 1) 420S37
Tensile Strength ≥541 MPa (35 tons/sq in, converted) Not specified
Yield Strength ≥386 MPa (25 tons/sq in, converted) Not specified
Elongation ≥25% Not specified
Hardness 152-207 HB Not specified
Condition Hardened and tempered P (ruling 6), ruling section 6 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN56C
Not documented
BS 970 (Part 1) 420S37
Stainless and heat resisting steel for mechanical and allied engineering purposes (Table 13).
Can BS 970 EN56C Be Substituted With BS 970 (Part 1) 420S37?
BS 970 EN56C and BS 970 (Part 1) 420S37 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 420S37 is often considered as a substitute for BS 970 EN56C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 EN56C
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BS 970 (Part 1) 420S37
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Frequently Asked Questions
What is the difference between BS 970 EN56C and BS 970 (Part 1) 420S37?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN56C be substituted with BS 970 (Part 1) 420S37?
BS 970 EN56C and BS 970 (Part 1) 420S37 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 420S37 is often considered as a substitute for BS 970 EN56C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.