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EN 10083-3 38MnB5 vs SAE J404 1340

Close Alternative — 81.7% match based on chemical composition and mechanical property overlap.

EN 10083-3 38MnB5 (EN 10083-3:2006) and SAE J404 1340 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 38MnB5 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while SAE J404 1340 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope. EN 10083-3 38MnB5 is defined under European Standard (EN), originating from Europe, while SAE J404 1340 is defined under SAE International, originating from United States.

As per chemical composition, EN 10083-3 38MnB5 vs SAE J404 1340 is a 81.7% 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 81.7%.

Frequently Compared With EN 10083-3 38MnB5:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
81.7%
MECHANICAL MATCH
No shared data
OVERALL
81.7%
Specifications
Property EN 10083-3 38MnB5 SAE J404 1340
Standard EN 10083-3:2006 SAE J404:2009
Category Alloy Steel Alloy Steel
B (%) 0.0008-0.0050 Not specified
C (%) 0.36-0.42 0.38-0.43
Mn (%) 1.15-1.45 1.60-1.90
P (%) <=0.025 <=0.030
S (%) <=0.035 <=0.040
Si (%) <=0.40 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 38MnB5 SAE J404 1340
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Tensile Strength 1050 to 1250 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-3 38MnB5
Quenched and tempered, flame or induction hardened machine parts (clause 1)
SAE J404 1340
Chemistry-only alloy steel grade; see the composition notes for product scope
Key Differences
Can EN 10083-3 38MnB5 Be Substituted With SAE J404 1340?
EN 10083-3 38MnB5 and SAE J404 1340 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
EN 10083-3 38MnB5
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SAE J404 1340
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Frequently Asked Questions
What is the difference between EN 10083-3 38MnB5 and SAE J404 1340?
EN 10083-3 38MnB5 specifies B which is not specified for SAE J404 1340.
Can EN 10083-3 38MnB5 be substituted with SAE J404 1340?
EN 10083-3 38MnB5 and SAE J404 1340 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.