Related Material — 58.7% match
based on chemical composition and mechanical property overlap.
JIS G4801 SUP10 (JIS G 4801:2005) and IS 3431 50Cr4V2 (IS 3431:1982) are both steel grades.
Both fall under the Spring Steel category.
JIS G4801 SUP10 is typically used for valve springs, high stress coil springs, torsion springs, while IS 3431 50Cr4V2 is commonly used for valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars.
JIS G4801 SUP10 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 3431 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, JIS G4801 SUP10 vs IS 3431 50Cr4V2 is a 88.1% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 58.7%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
JIS G4801 SUP10
IS 3431 50Cr4V2
Tensile Strength
≥1180 MPa
Not specified
Yield Strength
≥1030 MPa
Not specified
Elongation
≥7%
Not specified
Hardness
363–429 HB
Not specified
Core Hardness After Quenching
Not specified
>=54 HRC (oil, up to 25 mm round / 16 mm flat)
Elongation (quenched and tempered)
Not specified
>=6%
Hardness, soft annealed
Not specified
<=245 HB
Hardness, untreated (hot rolled)
Not specified
above 310 HB (reference value)
Tensile Strength (quenched and tempered)
Not specified
1370-1620 MPa
Yield Stress (quenched and tempered)
Not specified
>=1180 MPa
Typical Applications
JIS G4801 SUP10
Valve springs, high stress coil springs, torsion springs
Can JIS G4801 SUP10 Be Substituted With IS 3431 50Cr4V2?
JIS G4801 SUP10 and IS 3431 50Cr4V2 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 G4801 SUP10 and IS 3431 50Cr4V2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4801 SUP10 be substituted with IS 3431 50Cr4V2?
JIS G4801 SUP10 and IS 3431 50Cr4V2 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.