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BS 970 (Part 1) 070M26 vs BS 970 (Part 1) 040A12

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 070M26 (BS 970 (Part 1):1983) and BS 970 (Part 1) 040A12 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 070M26 is typically used for wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (table 2)., while BS 970 (Part 1) 040A12 is commonly used for as-rolled, or as-rolled and softened, steel (section two). BS 970 (Part 1) 070M26 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 040A12 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 070M26 vs BS 970 (Part 1) 040A12 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 close alternative overall at 84.9%.

Frequently Compared With BS 970 (Part 1) 070M26:
BS 970 (Part 1) 060A32 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A45 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
85.7%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 (Part 1) 070M26 BS 970 (Part 1) 040A12
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.22-0.30 0.10-0.15
Mn (%) 0.50-0.90 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) 070M26
Wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (Table 2).
BS 970 (Part 1) 040A12
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can BS 970 (Part 1) 070M26 Be Substituted With BS 970 (Part 1) 040A12?
BS 970 (Part 1) 070M26 and BS 970 (Part 1) 040A12 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
BS 970 (Part 1) 070M26
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BS 970 (Part 1) 040A12
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 070M26 and BS 970 (Part 1) 040A12?
BS 970 (Part 1) 070M26 specifies P, S which are not specified for BS 970 (Part 1) 040A12.
Can BS 970 (Part 1) 070M26 be substituted with BS 970 (Part 1) 040A12?
BS 970 (Part 1) 070M26 and BS 970 (Part 1) 040A12 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.