Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
JIS G4104 SCr440 (JIS G 4104:1979) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
JIS G4104 SCr440 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, JIS G4104 SCr440 vs IS 4367 10Cr9Mo10 is a 58.5% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
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 SCr440
IS 4367 10Cr9Mo10
Tensile Strength
800-950 MPa
410-590 MPa
Yield Strength
590 MPa min
245 MPa min
Elongation
13% min
>=18%
Hardness
230-285 HB
Not specified
Izod Impact
Not specified
55 J min
Hardness (soft annealed)
Not specified
<=187 HB
Condition
Not specified
Normalised and tempered, ruling section up to 50 mm
Typical Applications
JIS G4104 SCr440
Used in gears, shafts, bolts, spindles, couplings, and machine structural parts.
IS 4367 10Cr9Mo10
Not documented
Key Differences
IS 4367 10Cr9Mo10 specifies Ni, Mo which are not specified for JIS G4104 SCr440.
Can JIS G4104 SCr440 Be Substituted With IS 4367 10Cr9Mo10?
JIS G4104 SCr440 and IS 4367 10Cr9Mo10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between JIS G4104 SCr440 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni, Mo which are not specified for JIS G4104 SCr440.
Can JIS G4104 SCr440 be substituted with IS 4367 10Cr9Mo10?
JIS G4104 SCr440 and IS 4367 10Cr9Mo10 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.