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BS 970 EN2B vs BS 970 (Part 1) 045A10

Strong Match — 90.5% match based on chemical composition and mechanical property overlap.

BS 970 EN2B (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 EN2B is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining, while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four). BS 970 EN2B 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 EN2B vs BS 970 (Part 1) 045A10 is a 90.5% 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 90.5%.

Frequently Compared With BS 970 EN2B:
BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
90.5%
MECHANICAL MATCH
No shared data
OVERALL
90.5%
Specifications
Property BS 970 EN2B BS 970 (Part 1) 045A10
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) <=0.15 0.08-0.13
Mn (%) <=0.50 0.30-0.60
S (%) <=0.050 Not specified
P (%) <=0.050 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 EN2B BS 970 (Part 1) 045A10
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 430 MPa min
Elongation Not specified 18 % min
Typical Applications
BS 970 EN2B
Bars and billets for forging; forgings and drop-forgings; bars for machining
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
Can BS 970 EN2B Be Substituted With BS 970 (Part 1) 045A10?
BS 970 EN2B and BS 970 (Part 1) 045A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045A10 is often considered as a substitute for BS 970 EN2B 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 EN2B
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BS 970 (Part 1) 045A10
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Frequently Asked Questions
What is the difference between BS 970 EN2B and BS 970 (Part 1) 045A10?
BS 970 EN2B specifies S, P which are not specified for BS 970 (Part 1) 045A10.
Can BS 970 EN2B be substituted with BS 970 (Part 1) 045A10?
BS 970 EN2B and BS 970 (Part 1) 045A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045A10 is often considered as a substitute for BS 970 EN2B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.