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SAE J404 5140 vs JIS G4104 SCr440

Strong Match — 87.9% match based on chemical composition and mechanical property overlap.

SAE J404 5140 (SAE J404:2000) and JIS G4104 SCr440 (JIS G 4104:1979) are both steel grades. Both fall under the Alloy Steel category. SAE J404 5140 is typically used for chemistry-only alloy steel grade; see the composition notes for product scope, while JIS G4104 SCr440 is commonly used for used in gears, shafts, bolts, spindles, couplings, and machine structural parts.. SAE J404 5140 is defined under SAE International, originating from United States, while JIS G4104 SCr440 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, SAE J404 5140 vs JIS G4104 SCr440 is a 87.9% 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 87.9%.

Frequently Compared With SAE J404 5140:
NF A35-565 100C6 IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
87.9%
MECHANICAL MATCH
No shared data
OVERALL
87.9%
Specifications
Property SAE J404 5140 JIS G4104 SCr440
Standard SAE J404:2000 JIS G 4104:1979
Category Alloy Steel Alloy Steel
C (%) 0.38-0.43 0.38-0.43
Cr (%) 0.70-0.90 0.90-1.20
Mn (%) 0.70-0.90 0.60-0.85
P (%) <=0.030 0.030 max
S (%) <=0.040 0.030 max
Si (%) 0.15-0.35 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 SAE J404 5140 JIS G4104 SCr440
Tensile Strength Not specified 800-950 MPa
Yield Strength Not specified 590 MPa min
Elongation Not specified 13% min
Hardness Not specified 230-285 HB
Typical Applications
SAE J404 5140
Chemistry-only alloy steel grade; see the composition notes for product scope
JIS G4104 SCr440
Used in gears, shafts, bolts, spindles, couplings, and machine structural parts.
Can SAE J404 5140 Be Substituted With JIS G4104 SCr440?
SAE J404 5140 and JIS G4104 SCr440 overlap closely enough on chemistry and mechanical properties that JIS G4104 SCr440 is often considered as a substitute for SAE J404 5140 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
SAE J404 5140
No active listings currently.
JIS G4104 SCr440
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4500–6100 mm (177.17–240.16 in)
On M-EX Right Now
SAE J404 5140
0 active listings and RFQs →
JIS G4104 SCr440
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J404 5140 and JIS G4104 SCr440?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J404 5140 be substituted with JIS G4104 SCr440?
SAE J404 5140 and JIS G4104 SCr440 overlap closely enough on chemistry and mechanical properties that JIS G4104 SCr440 is often considered as a substitute for SAE J404 5140 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.