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BS 970 (Part 1) 080A35 vs BS 970 (Part 1) 040A04

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

BS 970 (Part 1) 080A35 (BS 970 (Part 1):1983) and BS 970 (Part 1) 040A04 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 080A35 is typically used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6., while BS 970 (Part 1) 040A04 is commonly used for as-rolled, or as-rolled and softened, steel (section two). BS 970 (Part 1) 080A35 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 040A04 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 080A35 vs BS 970 (Part 1) 040A04 is a 85.7% 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) 080A35:
BS 970 (Part 1) 045A10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15
Match Breakdown
CHEMISTRY MATCH
85.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 1) 080A35 BS 970 (Part 1) 040A04
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.33-0.38 <=0.08
Mn (%) 0.70-0.90 0.30-0.50
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.
Typical Applications
BS 970 (Part 1) 080A35
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
BS 970 (Part 1) 040A04
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can BS 970 (Part 1) 080A35 Be Substituted With BS 970 (Part 1) 040A04?
BS 970 (Part 1) 080A35 and BS 970 (Part 1) 040A04 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) 080A35
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BS 970 (Part 1) 040A04
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 080A35 and BS 970 (Part 1) 040A04?
BS 970 (Part 1) 080A35 specifies P, S which are not specified for BS 970 (Part 1) 040A04.
Can BS 970 (Part 1) 080A35 be substituted with BS 970 (Part 1) 040A04?
BS 970 (Part 1) 080A35 and BS 970 (Part 1) 040A04 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.