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BS 970 (Part 1) 045A10 vs BS 970 (Part 1) 045M10

Strong Match — 98.6% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 045A10 (BS 970 (Part 1):1983) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 045A10 is typically used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)., while BS 970 (Part 1) 045M10 is commonly used for case hardening steel (section four). BS 970 (Part 1) 045A10 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 (Part 1) 045A10 vs BS 970 (Part 1) 045M10 is a 98.6% 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 98.6%.

Frequently Compared With BS 970 (Part 1) 045A10:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 060A62 BS 970 (Part 3) 070M20 BS 970 (Part 3) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 070A67
Match Breakdown
CHEMISTRY MATCH
98.6%
MECHANICAL MATCH
No shared data
OVERALL
98.6%
Specifications
Property BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.08-0.13 0.07-0.13
Mn (%) 0.30-0.60 0.30-0.60
P (%) <=0.050 Not specified
S (%) <=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 (Part 1) 045A10 BS 970 (Part 1) 045M10
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 (Part 1) 045A10
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
BS 970 (Part 1) 045M10
Case hardening steel (section four)
Key Differences
Can BS 970 (Part 1) 045A10 Be Substituted With BS 970 (Part 1) 045M10?
BS 970 (Part 1) 045A10 and BS 970 (Part 1) 045M10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045M10 is often considered as a substitute for BS 970 (Part 1) 045A10 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 (Part 1) 045A10
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BS 970 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 045A10 and BS 970 (Part 1) 045M10?
BS 970 (Part 1) 045A10 specifies P, S which are not specified for BS 970 (Part 1) 045M10.
Can BS 970 (Part 1) 045A10 be substituted with BS 970 (Part 1) 045M10?
BS 970 (Part 1) 045A10 and BS 970 (Part 1) 045M10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 045M10 is often considered as a substitute for BS 970 (Part 1) 045A10 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.