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BS 970 EN8E vs BS 970 (Part 1) 045M10

Minimal Match — 52.7% match based on chemical composition and mechanical property overlap.

BS 970 EN8E (BS 970:1955) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN8E is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN8E vs BS 970 (Part 1) 045M10 is a 79% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 52.7%.

Frequently Compared With BS 970 EN8E:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
79%
MECHANICAL MATCH
0%
OVERALL
52.7%
Specifications
Property BS 970 EN8E BS 970 (Part 1) 045M10
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.35-0.40 0.07-0.13
Si (%) 0.05-0.35 Not specified
Mn (%) 0.90-1.10 0.30-0.60
S (%) <=0.060 Not specified
P (%) <=0.060 Not specified
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 EN8E BS 970 (Part 1) 045M10
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 NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard) Case hardened, 19 mm test bar
Typical Applications
BS 970 EN8E
Not documented
BS 970 (Part 1) 045M10
Case hardening steel (section four)
Key Differences
Can BS 970 EN8E Be Substituted With BS 970 (Part 1) 045M10?
BS 970 EN8E and BS 970 (Part 1) 045M10 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 EN8E
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BS 970 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between BS 970 EN8E and BS 970 (Part 1) 045M10?
BS 970 EN8E specifies Si, S, P which are not specified for BS 970 (Part 1) 045M10.
Can BS 970 EN8E be substituted with BS 970 (Part 1) 045M10?
BS 970 EN8E and BS 970 (Part 1) 045M10 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.