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BS 970 EN43E vs SAE J403 1070

Strong Match — 86.2% match based on chemical composition and mechanical property overlap.

BS 970 EN43E (BS 970:1955) and SAE J403 1070 (SAE J403:2001) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN43E is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1070 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN43E vs SAE J403 1070 is a 86.2% 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 86.2%.

Frequently Compared With BS 970 EN43E:
BS 970 (Part 1) 070A67 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A67 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10
Match Breakdown
CHEMISTRY MATCH
86.2%
MECHANICAL MATCH
No shared data
OVERALL
86.2%
Specifications
Property BS 970 EN43E SAE J403 1070
Standard BS 970:1955 SAE J403:2001
Category Carbon Steel Carbon Steel
C (%) 0.65-0.70 0.65-0.75
Si (%) 0.05-0.35 Not specified
Mn (%) 0.70-0.90 0.60-0.90
S (%) <=0.060 <=0.050
P (%) <=0.060 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 EN43E
Not documented
SAE J403 1070
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 EN43E Be Substituted With SAE J403 1070?
BS 970 EN43E and SAE J403 1070 overlap closely enough on chemistry and mechanical properties that SAE J403 1070 is often considered as a substitute for BS 970 EN43E 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 EN43E
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SAE J403 1070
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Frequently Asked Questions
What is the difference between BS 970 EN43E and SAE J403 1070?
BS 970 EN43E specifies Si which is not specified for SAE J403 1070.
Can BS 970 EN43E be substituted with SAE J403 1070?
BS 970 EN43E and SAE J403 1070 overlap closely enough on chemistry and mechanical properties that SAE J403 1070 is often considered as a substitute for BS 970 EN43E in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.