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BS 970 EN43B vs BS 970 (Part 3) 045A10

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 EN43B (BS 970:1955) and BS 970 (Part 3) 045A10 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN43B is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 3) 045A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN43B vs BS 970 (Part 3) 045A10 is a 83.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With BS 970 EN43B:
BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A10
Match Breakdown
CHEMISTRY MATCH
83.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN43B BS 970 (Part 3) 045A10
Standard BS 970:1955 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.45-0.50 0.08-0.13
Si (%) 0.05-0.35 0.10-0.40
Mn (%) 0.70-1.00 0.30-0.60
S (%) <=0.060 <=0.05
P (%) <=0.060 <=0.05
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN43B
Not documented
BS 970 (Part 3) 045A10
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
Can BS 970 EN43B Be Substituted With BS 970 (Part 3) 045A10?
BS 970 EN43B and BS 970 (Part 3) 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.
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BS 970 EN43B
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BS 970 (Part 3) 045A10
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Frequently Asked Questions
What is the difference between BS 970 EN43B and BS 970 (Part 3) 045A10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN43B be substituted with BS 970 (Part 3) 045A10?
BS 970 EN43B and BS 970 (Part 3) 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.