Strong Match — 87.8% match
based on chemical composition and mechanical property overlap.
JIS G4104 SCr415 (JIS G 4104:1979) and SAE J404 5115 (SAE J404:2000) are both steel grades.
Both fall under the Alloy Steel category.
JIS G4104 SCr415 is typically used for case hardened gears, cams, pins, while SAE J404 5115 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope.
JIS G4104 SCr415 is defined under Japanese Industrial Standards (JIS), originating from Japan, while SAE J404 5115 is defined under SAE International, originating from United States.
As per chemical composition, JIS G4104 SCr415 vs SAE J404 5115 is a 87.8% 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 87.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
JIS G4104 SCr415
SAE J404 5115
Tensile Strength
≥735 MPa
Not specified
Case Hardness HRC
56–62
Not specified
Typical Applications
JIS G4104 SCr415
Case hardened gears, cams, pins
SAE J404 5115
Chemistry-only alloy steel grade; see the composition notes for product scope
Can JIS G4104 SCr415 Be Substituted With SAE J404 5115?
JIS G4104 SCr415 and SAE J404 5115 overlap closely enough on chemistry and mechanical properties that SAE J404 5115 is often considered as a substitute for JIS G4104 SCr415 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between JIS G4104 SCr415 and SAE J404 5115?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4104 SCr415 be substituted with SAE J404 5115?
JIS G4104 SCr415 and SAE J404 5115 overlap closely enough on chemistry and mechanical properties that SAE J404 5115 is often considered as a substitute for JIS G4104 SCr415 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.