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BS 970 EN202 vs SAE J403 1126

Close Alternative — 75.9% match based on chemical composition and mechanical property overlap.

BS 970 EN202 (BS 970:1955) and SAE J403 1126 (SAE J403:2009) are both steel grades. Both fall under the Free Machining Steel category. BS 970 EN202 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. for this type in cold drawn condition see en 7a., while SAE J403 1126 is commonly used for chemistry-only grade; product scope as listed in the composition notes. BS 970 EN202 is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1126 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN202 vs SAE J403 1126 is a 75.9% 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 75.9%.

Frequently Compared With BS 970 EN202:
IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1132 IS 4432 10C8S10 SAE J403 1118 SAE J403 1118 SAE J403 1117 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
75.9%
MECHANICAL MATCH
No shared data
OVERALL
75.9%
Specifications
Property BS 970 EN202 SAE J403 1126
Standard BS 970:1955 SAE J403:2009
Category Free Machining Steel Free Machining Steel
C (%) <=0.18 0.23-0.29
Si (%) 0.05-0.35 Not specified
Mn (%) 1.20-1.50 0.70-1.00
S (%) 0.10-0.18 0.08-0.13
P (%) <=0.050 <=0.030
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 EN202 SAE J403 1126
Tensile Strength ≥587 MPa (38 tons/sq in, converted) Not specified
Elongation ≥20% Not specified
Condition Core, after heat treatment (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN202
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. For this type in cold drawn condition see En 7A.
SAE J403 1126
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 EN202 Be Substituted With SAE J403 1126?
BS 970 EN202 and SAE J403 1126 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
BS 970 EN202
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SAE J403 1126
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Frequently Asked Questions
What is the difference between BS 970 EN202 and SAE J403 1126?
BS 970 EN202 specifies Si which is not specified for SAE J403 1126.
Can BS 970 EN202 be substituted with SAE J403 1126?
BS 970 EN202 and SAE J403 1126 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.