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