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SAE J403 1144 vs BS 970 (Part 1) 226M44

Strong Match — 89.1% match based on chemical composition and mechanical property overlap.

SAE J403 1144 (SAE J403:2001) and BS 970 (Part 1) 226M44 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Free Machining Steel category. SAE J403 1144 is typically used for chemistry-only grade; product scope as listed in the composition notes, while BS 970 (Part 1) 226M44 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. SAE J403 1144 is defined under SAE International, originating from United States, while BS 970 (Part 1) 226M44 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J403 1144 vs BS 970 (Part 1) 226M44 is a 89.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 89.1%.

Frequently Compared With SAE J403 1144:
SAE J403 1144 SAE J403 1144 SAE J403 1132 SAE J403 1141 SAE J403 1141 SAE J403 1141 SAE J403 1137 IS 1570 (Part 3) 10C8S10 IS 4432 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1117
Match Breakdown
CHEMISTRY MATCH
89.1%
MECHANICAL MATCH
No shared data
OVERALL
89.1%
Specifications
Property SAE J403 1144 BS 970 (Part 1) 226M44
Standard SAE J403:2001 BS 970 (Part 1):1983
Category Free Machining Steel Free Machining Steel
C (%) 0.40-0.48 0.40-0.48
Mn (%) 1.35-1.65 1.30-1.70
P (%) <=0.030 <=0.060
S (%) 0.24-0.33 0.22-0.30
Si (%) Not specified <=0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
SAE J403 1144
Chemistry-only grade; product scope as listed in the composition notes
BS 970 (Part 1) 226M44
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can SAE J403 1144 Be Substituted With BS 970 (Part 1) 226M44?
SAE J403 1144 and BS 970 (Part 1) 226M44 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 226M44 is often considered as a substitute for SAE J403 1144 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
SAE J403 1144
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BS 970 (Part 1) 226M44
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Frequently Asked Questions
What is the difference between SAE J403 1144 and BS 970 (Part 1) 226M44?
BS 970 (Part 1) 226M44 specifies Si which is not specified for SAE J403 1144.
Can SAE J403 1144 be substituted with BS 970 (Part 1) 226M44?
SAE J403 1144 and BS 970 (Part 1) 226M44 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 226M44 is often considered as a substitute for SAE J403 1144 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.