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BS 970 (Part 3) 080A42 vs BS 970 (Part 1) 055M15

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

BS 970 (Part 3) 080A42 (BS 970 (Part 3):1991) and BS 970 (Part 1) 055M15 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 3) 080A42 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (table 13), while BS 970 (Part 1) 055M15 is commonly used for as-rolled, or as-rolled and softened, steel (section two). BS 970 (Part 3) 080A42 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 055M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 080A42 vs BS 970 (Part 1) 055M15 is a 80.6% 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 3) 080A42:
BS 970 (Part 1) 040A04 BS 970 (Part 3) 080A15 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A67 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A62
Match Breakdown
CHEMISTRY MATCH
80.6%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 3) 080A42 BS 970 (Part 1) 055M15
Standard BS 970 (Part 3):1991 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.40-0.45 <=0.20
Si (%) 0.10-0.40 Not specified
Mn (%) 0.70-0.90 <=0.80
P (%) <=0.05 Not specified
S (%) <=0.05 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 3) 080A42 BS 970 (Part 1) 055M15
Condition Not specified As-rolled
Tensile Strength Not specified 310 MPa min
Elongation Not specified 25 % min
Hardness Not specified 121 HB min
Typical Applications
BS 970 (Part 3) 080A42
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (Table 13)
BS 970 (Part 1) 055M15
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can BS 970 (Part 3) 080A42 Be Substituted With BS 970 (Part 1) 055M15?
BS 970 (Part 3) 080A42 and BS 970 (Part 1) 055M15 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 3) 080A42
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BS 970 (Part 1) 055M15
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 080A42 and BS 970 (Part 1) 055M15?
BS 970 (Part 3) 080A42 specifies Si, P, S which are not specified for BS 970 (Part 1) 055M15.
Can BS 970 (Part 3) 080A42 be substituted with BS 970 (Part 1) 055M15?
BS 970 (Part 3) 080A42 and BS 970 (Part 1) 055M15 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.