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BS 970 EN201 vs BS 970 (Part 1) 045A10

Minimal Match — 54.9% match based on chemical composition and mechanical property overlap.

BS 970 EN201 (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 EN201 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 40 tons/sq in min., while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four). BS 970 EN201 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 EN201 vs BS 970 (Part 1) 045A10 is a 82.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 54.9%.

Frequently Compared With BS 970 EN201:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 060A32 BS 970 (Part 3) 080A15 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
82.4%
MECHANICAL MATCH
0%
OVERALL
54.9%
Specifications
Property BS 970 EN201 BS 970 (Part 1) 045A10
Standard BS 970:1955 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) <=0.18 0.08-0.13
Si (%) 0.05-0.35 Not specified
Mn (%) 1.10-1.50 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 EN201 BS 970 (Part 1) 045A10
Tensile Strength ≥618 MPa (40 tons/sq in, converted) 430 MPa min
Elongation ≥20% 18 % min
Condition Core, after heat treatment (lowest-strength condition of the standard) Case hardened, 19 mm test bar
Typical Applications
BS 970 EN201
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 40 tons/sq in min.
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
Can BS 970 EN201 Be Substituted With BS 970 (Part 1) 045A10?
BS 970 EN201 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.
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BS 970 EN201
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BS 970 (Part 1) 045A10
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Frequently Asked Questions
What is the difference between BS 970 EN201 and BS 970 (Part 1) 045A10?
BS 970 EN201 specifies Si, S, P which are not specified for BS 970 (Part 1) 045A10.
Can BS 970 EN201 be substituted with BS 970 (Part 1) 045A10?
BS 970 EN201 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.