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SAE J403 1084 vs BS 970 (Part 3) 045M10

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

SAE J403 1084 (SAE J403:2001) and BS 970 (Part 3) 045M10 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Carbon Steel category. SAE J403 1084 is typically used for chemistry-only grade; product scope as listed in the composition notes, while BS 970 (Part 3) 045M10 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (table 14). SAE J403 1084 is defined under SAE International, originating from United States, while BS 970 (Part 3) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J403 1084 vs BS 970 (Part 3) 045M10 is a 78.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With SAE J403 1084:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 080A20 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A40 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
78.9%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property SAE J403 1084 BS 970 (Part 3) 045M10
Standard SAE J403:2001 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.80-0.93 0.07-0.13
Mn (%) 0.60-0.90 0.30-0.60
P (%) <=0.030 <=0.05
S (%) <=0.050 <=0.05
Si (%) Not specified 0.10-0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
SAE J403 1084
Chemistry-only grade; product scope as listed in the composition notes
BS 970 (Part 3) 045M10
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
Key Differences
Can SAE J403 1084 Be Substituted With BS 970 (Part 3) 045M10?
SAE J403 1084 and BS 970 (Part 3) 045M10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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SAE J403 1084
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BS 970 (Part 3) 045M10
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Frequently Asked Questions
What is the difference between SAE J403 1084 and BS 970 (Part 3) 045M10?
BS 970 (Part 3) 045M10 specifies Si which is not specified for SAE J403 1084.
Can SAE J403 1084 be substituted with BS 970 (Part 3) 045M10?
SAE J403 1084 and BS 970 (Part 3) 045M10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.