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EN 10083-3 39MnCrB6-2 vs SAE J404 5140

Close Alternative — 73.1% match based on chemical composition and mechanical property overlap.

EN 10083-3 39MnCrB6-2 (EN 10083-3:2006) and SAE J404 5140 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 39MnCrB6-2 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while SAE J404 5140 is commonly used for used for gears, shafts, spindles, automotive parts, bolts, and machine components.. EN 10083-3 39MnCrB6-2 is defined under European Standard (EN), originating from Europe, while SAE J404 5140 is defined under SAE International, originating from United States.

As per chemical composition, EN 10083-3 39MnCrB6-2 vs SAE J404 5140 is a 73.1% 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 73.1%.

Frequently Compared With EN 10083-3 39MnCrB6-2:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
73.1%
MECHANICAL MATCH
No shared data
OVERALL
73.1%
Specifications
Property EN 10083-3 39MnCrB6-2 SAE J404 5140
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
Cr (%) 0.30-0.60 0.70-0.90
Mn (%) 1.40-1.70 0.70-0.90
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 39MnCrB6-2 SAE J404 5140
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Tensile Strength 1100 to 1350 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-3 39MnCrB6-2
Quenched and tempered, flame or induction hardened machine parts (clause 1)
SAE J404 5140
Used for gears, shafts, spindles, automotive parts, bolts, and machine components.
Key Differences
Can EN 10083-3 39MnCrB6-2 Be Substituted With SAE J404 5140?
EN 10083-3 39MnCrB6-2 and SAE J404 5140 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.
Forms & Sizes Available on M-EX
EN 10083-3 39MnCrB6-2
No active listings currently.
SAE J404 5140
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5400–5900 mm (212.6–232.28 in)
On M-EX Right Now
EN 10083-3 39MnCrB6-2
0 active listings and RFQs →
SAE J404 5140
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 39MnCrB6-2 and SAE J404 5140?
EN 10083-3 39MnCrB6-2 specifies B which is not specified for SAE J404 5140.
Can EN 10083-3 39MnCrB6-2 be substituted with SAE J404 5140?
EN 10083-3 39MnCrB6-2 and SAE J404 5140 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.