Close Alternative — 84.9% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 1) 120M19 (BS 970 (Part 1):1983) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Carbon Steel category.
BS 970 (Part 1) 120M19 is typically used for wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (table 2)., while BS 970 (Part 1) 045M10 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)..
BS 970 (Part 1) 120M19 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 (Part 1) 120M19 vs BS 970 (Part 1) 045M10 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%.
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) 120M19
Wrought steel for mechanical and allied engineering purposes; supplied in the normalized condition (Table 2).
BS 970 (Part 1) 045M10
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Can BS 970 (Part 1) 120M19 Be Substituted With BS 970 (Part 1) 045M10?
BS 970 (Part 1) 120M19 and BS 970 (Part 1) 045M10 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.
What is the difference between BS 970 (Part 1) 120M19 and BS 970 (Part 1) 045M10?
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) 120M19 be substituted with BS 970 (Part 1) 045M10?
BS 970 (Part 1) 120M19 and BS 970 (Part 1) 045M10 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.