Post Stock Login Register

BS 970 (Part 1) 045A10 vs SAE J403 1010

Strong Match — 98.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) and SAE J403 1010 (SAE J403:2001) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 045A10 is typically used for case hardening steel (section four), while SAE J403 1010 is commonly used for chemistry-only grade; product scope as listed in the composition notes. BS 970 (Part 1) 045A10 is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1010 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 (Part 1) 045A10 vs SAE J403 1010 is a 98.9% 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 98.9%.

Frequently Compared With BS 970 (Part 1) 045A10:
BS 970 (Part 1) 060A81 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A62 BS 970 (Part 1) 060A67 BS 970 (Part 1) 040A10 BS 970 (Part 1) 070A67 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A78 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
98.9%
MECHANICAL MATCH
No shared data
OVERALL
98.9%
Specifications
Property BS 970 (Part 1) 045A10 SAE J403 1010
Standard BS 970 (Part 1):1991 SAE J403:2001
Category Carbon Steel Carbon Steel
C (%) 0.08-0.13 0.08-0.13
Mn (%) 0.30-0.60 0.30-0.60
P (%) Not specified <=0.030
S (%) Not specified <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 045A10 SAE J403 1010
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 430 MPa min Not specified
Elongation 18 % min Not specified
Typical Applications
BS 970 (Part 1) 045A10
Case hardening steel (section four)
SAE J403 1010
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 (Part 1) 045A10 Be Substituted With SAE J403 1010?
BS 970 (Part 1) 045A10 and SAE J403 1010 overlap closely enough on chemistry and mechanical properties that SAE J403 1010 is often considered as a substitute for BS 970 (Part 1) 045A10 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
BS 970 (Part 1) 045A10
0 active listings and RFQs →
SAE J403 1010
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 045A10 and SAE J403 1010?
SAE J403 1010 specifies P, S which are not specified for BS 970 (Part 1) 045A10.
Can BS 970 (Part 1) 045A10 be substituted with SAE J403 1010?
BS 970 (Part 1) 045A10 and SAE J403 1010 overlap closely enough on chemistry and mechanical properties that SAE J403 1010 is often considered as a substitute for BS 970 (Part 1) 045A10 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.