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SAE J404 9254 vs BS 970 (Part 1) 530M40

Close Alternative — 74.8% match based on chemical composition and mechanical property overlap.

SAE J404 9254 (SAE J404:2000) and BS 970 (Part 1) 530M40 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. SAE J404 9254 is typically used for chemistry-only alloy steel grade; see the composition notes for product scope, while BS 970 (Part 1) 530M40 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. SAE J404 9254 is defined under SAE International, originating from United States, while BS 970 (Part 1) 530M40 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J404 9254 vs BS 970 (Part 1) 530M40 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%.

Frequently Compared With SAE J404 9254:
IS 1570 (Part 4) 103Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
74.8%
MECHANICAL MATCH
No shared data
OVERALL
74.8%
Specifications
Property SAE J404 9254 BS 970 (Part 1) 530M40
Standard SAE J404:2000 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.51-0.59 0.36-0.44
Cr (%) 0.60-0.80 0.90-1.20
Mn (%) 0.60-0.80 0.60-0.90
P (%) <=0.030 <=0.035
S (%) <=0.040 <=0.040
Si (%) 1.20-1.60 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
SAE J404 9254
Chemistry-only alloy steel grade; see the composition notes for product scope
BS 970 (Part 1) 530M40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can SAE J404 9254 Be Substituted With BS 970 (Part 1) 530M40?
SAE J404 9254 and BS 970 (Part 1) 530M40 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
SAE J404 9254
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BS 970 (Part 1) 530M40
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Frequently Asked Questions
What is the difference between SAE J404 9254 and BS 970 (Part 1) 530M40?
SAE J404 9254 specifies Si which is not specified for BS 970 (Part 1) 530M40.
Can SAE J404 9254 be substituted with BS 970 (Part 1) 530M40?
SAE J404 9254 and BS 970 (Part 1) 530M40 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.