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BS 970 (Part 3) 722M24 vs BS 970 (Part 1) 720M32

Close Alternative — 76.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 722M24 (BS 970 (Part 3):1991) and BS 970 (Part 1) 720M32 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 3) 722M24 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (table 16), while BS 970 (Part 1) 720M32 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 3) 722M24 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 720M32 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 722M24 vs BS 970 (Part 1) 720M32 is a 76.4% 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 76.4%.

Frequently Compared With BS 970 (Part 3) 722M24:
IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 7) 12Cr2Mo5V2H NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr4Mo5H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
76.4%
MECHANICAL MATCH
No shared data
OVERALL
76.4%
Specifications
Property BS 970 (Part 3) 722M24 BS 970 (Part 1) 720M32
Standard BS 970 (Part 3):1991 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.20-0.28 0.28-0.35
Si (%) 0.10-0.40 Not specified
Mn (%) 0.45-0.70 0.40-0.70
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.040
Cr (%) 3.00-3.50 2.80-3.30
Mo (%) 0.45-0.65 0.40-0.60
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 3) 722M24
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
BS 970 (Part 1) 720M32
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can BS 970 (Part 3) 722M24 Be Substituted With BS 970 (Part 1) 720M32?
BS 970 (Part 3) 722M24 and BS 970 (Part 1) 720M32 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 3) 722M24
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BS 970 (Part 1) 720M32
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 722M24 and BS 970 (Part 1) 720M32?
BS 970 (Part 3) 722M24 specifies Si which is not specified for BS 970 (Part 1) 720M32.
Can BS 970 (Part 3) 722M24 be substituted with BS 970 (Part 1) 720M32?
BS 970 (Part 3) 722M24 and BS 970 (Part 1) 720M32 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.