Close Alternative — 81.8% match
based on chemical composition and mechanical property overlap.
IS 6603 X01Cr20Ni18Mo6CuN (IS 6603:2024) and JIS G4304 SUS312L (JIS G4304:2021) are both steel grades.
Both fall under the Stainless Steel category.
IS 6603 X01Cr20Ni18Mo6CuN is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while JIS G4304 SUS312L is commonly used for hot-rolled stainless steel plates and strips.
IS 6603 X01Cr20Ni18Mo6CuN is defined under Bureau of Indian Standards (IS), originating from India, while JIS G4304 SUS312L is defined under Japanese Industrial Standards (JIS), originating from Japan.
As per chemical composition, IS 6603 X01Cr20Ni18Mo6CuN vs JIS G4304 SUS312L is a 89.3% match.
As per mechanical properties, the match is 66.7%.
Combined, this makes them a close alternative overall at 81.8%.
Frequently Compared With IS 6603 X01Cr20Ni18Mo6CuN:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 6603 X01Cr20Ni18Mo6CuN
JIS G4304 SUS312L
Tensile Strength
650-850 MPa
>=650 MPa
Yield Strength
>=300 MPa
>=300 MPa
Elongation
>=35%
>=35%
Condition
Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal)
Solution heat treated plate and strip; 0.2 percent proof strength applies only when specified by the purchaser
Hardness
Not specified
<=223 HB
Typical Applications
IS 6603 X01Cr20Ni18Mo6CuN
General purposes, semi-finished products, bars, wire rods and bright bars
JIS G4304 SUS312L
Hot-rolled stainless steel plates and strips
Can IS 6603 X01Cr20Ni18Mo6CuN Be Substituted With JIS G4304 SUS312L?
IS 6603 X01Cr20Ni18Mo6CuN and JIS G4304 SUS312L 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.
What is the difference between IS 6603 X01Cr20Ni18Mo6CuN and JIS G4304 SUS312L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 6603 X01Cr20Ni18Mo6CuN be substituted with JIS G4304 SUS312L?
IS 6603 X01Cr20Ni18Mo6CuN and JIS G4304 SUS312L 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.