Minimal Match — 51.9% match
based on chemical composition and mechanical property overlap.
BS 970 EN8CM (BS 970:1955) and BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
BS 970 EN8CM is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 045A10 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 EN8CM vs BS 970 (Part 1) 045A10 is a 77.8% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 51.9%.
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 EN8CM
BS 970 (Part 1) 045A10
Tensile Strength
≥541 MPa (35 tons/sq in, converted)
430 MPa min
Yield Strength
≥278 MPa (18 tons/sq in, converted)
Not specified
Elongation
≥20%
18 % min
Hardness
152-207 HB
Not specified
Condition
Normalised, ruling section 6 in (lowest-strength condition of the standard)
Case hardened, 19 mm test bar
Typical Applications
BS 970 EN8CM
Not documented
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
BS 970 EN8CM specifies Si, S, P which are not specified for BS 970 (Part 1) 045A10.
Can BS 970 EN8CM Be Substituted With BS 970 (Part 1) 045A10?
BS 970 EN8CM and BS 970 (Part 1) 045A10 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.
What is the difference between BS 970 EN8CM and BS 970 (Part 1) 045A10?
BS 970 EN8CM specifies Si, S, P which are not specified for BS 970 (Part 1) 045A10.
Can BS 970 EN8CM be substituted with BS 970 (Part 1) 045A10?
BS 970 EN8CM and BS 970 (Part 1) 045A10 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.