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BS 970 (Part 1) 055M15 vs BS 970 (Part 1) 080A15

Related Material — 59% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 055M15 (BS 970 (Part 1):1991) and BS 970 (Part 1) 080A15 (BS 970 (Part 1):1991) 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) 080A15 is commonly used for case hardening steel (section four). BS 970 (Part 1) 055M15 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 080A15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 055M15 vs BS 970 (Part 1) 080A15 is a 88.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 59%.

Frequently Compared With BS 970 (Part 1) 055M15:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A40 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 3) 070M20 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10
Match Breakdown
CHEMISTRY MATCH
88.5%
MECHANICAL MATCH
0%
OVERALL
59%
Specifications
Property BS 970 (Part 1) 055M15 BS 970 (Part 1) 080A15
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) <=0.20 0.13-0.18
Mn (%) <=0.80 0.70-0.90
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) 080A15
Condition As-rolled Case hardened, 19 mm test bar
Tensile Strength 310 MPa min 460 MPa min
Elongation 25 % min 18 % min
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) 080A15
Case hardening steel (section four)
Can BS 970 (Part 1) 055M15 Be Substituted With BS 970 (Part 1) 080A15?
BS 970 (Part 1) 055M15 and BS 970 (Part 1) 080A15 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) 080A15
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 055M15 and BS 970 (Part 1) 080A15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 1) 055M15 be substituted with BS 970 (Part 1) 080A15?
BS 970 (Part 1) 055M15 and BS 970 (Part 1) 080A15 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.