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SAE J404 50B46 vs BS 970 EN10

Close Alternative — 73.4% match based on chemical composition and mechanical property overlap.

SAE J404 50B46 (SAE J404:2000) and BS 970 EN10 (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. SAE J404 50B46 is typically used for chemistry-only alloy steel grade; see the composition notes for product scope, while BS 970 EN10 is commonly used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. used to a limited extent for special applications; supplied to a specified composition.. SAE J404 50B46 is defined under SAE International, originating from United States, while BS 970 EN10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J404 50B46 vs BS 970 EN10 is a 73.4% 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 73.4%.

Frequently Compared With SAE J404 50B46:
UNI 11234 100Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
73.4%
MECHANICAL MATCH
No shared data
OVERALL
73.4%
Specifications
Property SAE J404 50B46 BS 970 EN10
Standard SAE J404:2000 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.44-0.49 0.50-0.60
Mn (%) 0.75-1.00 0.50-0.80
Ni (%) 0.20-0.35 0.50-0.80
P (%) <=0.030 <=0.060
S (%) <=0.040 <=0.060
Si (%) 0.15-0.35 0.05-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
SAE J404 50B46
Chemistry-only alloy steel grade; see the composition notes for product scope
BS 970 EN10
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Used to a limited extent for special applications; supplied to a specified composition.
Can SAE J404 50B46 Be Substituted With BS 970 EN10?
SAE J404 50B46 and BS 970 EN10 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.
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SAE J404 50B46
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BS 970 EN10
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Frequently Asked Questions
What is the difference between SAE J404 50B46 and BS 970 EN10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J404 50B46 be substituted with BS 970 EN10?
SAE J404 50B46 and BS 970 EN10 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.