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BS 970 (Part 1) 080A40 vs BS 970 (Part 1) 080A42

Strong Match — 95.1% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 080A40 (BS 970 (Part 1):1983) and BS 970 (Part 1) 080A42 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 080A40 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) 080A42 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) 080A40 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 080A42 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 080A40 vs BS 970 (Part 1) 080A42 is a 95.1% 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 95.1%.

Frequently Compared With BS 970 (Part 1) 080A40:
BS 970 (Part 1) 060A40 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A45 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
95.1%
MECHANICAL MATCH
No shared data
OVERALL
95.1%
Specifications
Property BS 970 (Part 1) 080A40 BS 970 (Part 1) 080A42
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) 0.38-0.43 0.40-0.45
Mn (%) 0.70-0.90 0.70-0.90
P (%) <=0.050 <=0.050
S (%) <=0.050 <=0.050
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) 080A40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
BS 970 (Part 1) 080A42
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Can BS 970 (Part 1) 080A40 Be Substituted With BS 970 (Part 1) 080A42?
BS 970 (Part 1) 080A40 and BS 970 (Part 1) 080A42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A42 is often considered as a substitute for BS 970 (Part 1) 080A40 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
BS 970 (Part 1) 080A40
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BS 970 (Part 1) 080A42
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 080A40 and BS 970 (Part 1) 080A42?
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) 080A40 be substituted with BS 970 (Part 1) 080A42?
BS 970 (Part 1) 080A40 and BS 970 (Part 1) 080A42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A42 is often considered as a substitute for BS 970 (Part 1) 080A40 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.