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BS 970 (Part 1) 045M10 vs BS 970 (Part 1) 070M26

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

BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) and BS 970 (Part 1) 070M26 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 045M10 is typically used for case hardening steel (section four), while BS 970 (Part 1) 070M26 is commonly used for wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (table 2).. BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 070M26 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 045M10 vs BS 970 (Part 1) 070M26 is a 86.7% 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) 045M10:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A81 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A78 BS 970 (Part 1) 070A67 BS 970 (Part 3) 070M20 BS 970 (Part 1) 070M55 BS 970 (Part 1) 070M20
Match Breakdown
CHEMISTRY MATCH
86.7%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 (Part 1) 045M10 BS 970 (Part 1) 070M26
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) 0.07-0.13 0.22-0.30
Mn (%) 0.30-0.60 0.50-0.90
P (%) Not specified <=0.050
S (%) Not specified <=0.050
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) 045M10 BS 970 (Part 1) 070M26
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 430 MPa min Not specified
Elongation 18 % min Not specified
Typical Applications
BS 970 (Part 1) 045M10
Case hardening steel (section four)
BS 970 (Part 1) 070M26
Wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (Table 2).
Key Differences
Can BS 970 (Part 1) 045M10 Be Substituted With BS 970 (Part 1) 070M26?
BS 970 (Part 1) 045M10 and BS 970 (Part 1) 070M26 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.
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BS 970 (Part 1) 045M10
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BS 970 (Part 1) 070M26
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 045M10 and BS 970 (Part 1) 070M26?
BS 970 (Part 1) 070M26 specifies P, S which are not specified for BS 970 (Part 1) 045M10.
Can BS 970 (Part 1) 045M10 be substituted with BS 970 (Part 1) 070M26?
BS 970 (Part 1) 045M10 and BS 970 (Part 1) 070M26 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.