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BS 970 (Part 1) 055M15 vs BS 970 (Part 1) 060A40

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

BS 970 (Part 1) 055M15 (BS 970 (Part 1):1991) and BS 970 (Part 1) 060A40 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 055M15 is typically used for as-rolled, or as-rolled and softened, steel (section two), while BS 970 (Part 1) 060A40 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. BS 970 (Part 1) 055M15 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 060A40 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 055M15 vs BS 970 (Part 1) 060A40 is a 87.1% 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 (Part 1) 055M15:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A81 BS 970 (Part 1) 045A10 BS 970 (Part 1) 060A78 BS 970 (Part 3) 080A15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 070A67 BS 970 (Part 1) 080A15 BS 970 (Part 3) 070M20 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10
Match Breakdown
CHEMISTRY MATCH
87.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) <=0.20 0.38-0.43
Mn (%) <=0.80 0.50-0.70
P (%) Not specified <=0.050
S (%) Not specified <=0.050
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) 055M15 BS 970 (Part 1) 060A40
Condition As-rolled Not specified
Tensile Strength 310 MPa min Not specified
Elongation 25 % min Not specified
Hardness 121 HB min Not specified
Typical Applications
BS 970 (Part 1) 055M15
As-rolled, or as-rolled and softened, steel (section two)
BS 970 (Part 1) 060A40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can BS 970 (Part 1) 055M15 Be Substituted With BS 970 (Part 1) 060A40?
BS 970 (Part 1) 055M15 and BS 970 (Part 1) 060A40 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 (Part 1) 055M15
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BS 970 (Part 1) 060A40
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 055M15 and BS 970 (Part 1) 060A40?
BS 970 (Part 1) 060A40 specifies P, S which are not specified for BS 970 (Part 1) 055M15.
Can BS 970 (Part 1) 055M15 be substituted with BS 970 (Part 1) 060A40?
BS 970 (Part 1) 055M15 and BS 970 (Part 1) 060A40 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.