Close Alternative — 74.8% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 1) 212A37 (BS 970 (Part 1):1983) and SAE J403 1126 (SAE J403:2009) are both steel grades.
Both fall under the Free Machining Steel category.
BS 970 (Part 1) 212A37 is typically used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6., while SAE J403 1126 is commonly used for chemistry-only grade; product scope as listed in the composition notes.
BS 970 (Part 1) 212A37 is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1126 is defined under SAE International, originating from United States.
As per chemical composition, BS 970 (Part 1) 212A37 vs SAE J403 1126 is a 74.8% 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 74.8%.
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) 212A37
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
SAE J403 1126
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
BS 970 (Part 1) 212A37 specifies Si which is not specified for SAE J403 1126.
Can BS 970 (Part 1) 212A37 Be Substituted With SAE J403 1126?
BS 970 (Part 1) 212A37 and SAE J403 1126 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) 212A37 and SAE J403 1126?
BS 970 (Part 1) 212A37 specifies Si which is not specified for SAE J403 1126.
Can BS 970 (Part 1) 212A37 be substituted with SAE J403 1126?
BS 970 (Part 1) 212A37 and SAE J403 1126 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.