Close Alternative — 83.6% match
based on chemical composition and mechanical property overlap.
IS 6603 X06Cr18Ni9Cu2S (IS 6603:2024) and IS 6603 X15Cr18Ni8 (IS 6603:2024) are both steel grades.
Both fall under the Stainless Steel category.
IS 6603 X06Cr18Ni9Cu2S is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 6603 X15Cr18Ni8 is commonly used for general purposes, semi-finished products, bars, wire rods and bright bars.
IS 6603 X06Cr18Ni9Cu2S is defined under Bureau of Indian Standards (IS), originating from India, while IS 6603 X15Cr18Ni8 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 6603 X06Cr18Ni9Cu2S vs IS 6603 X15Cr18Ni8 is a 77.7% match.
As per mechanical properties, the match is 95.2%.
Combined, this makes them a close alternative overall at 83.6%.
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 X06Cr18Ni9Cu2S
IS 6603 X15Cr18Ni8
Tensile Strength
500-710 MPa
500-700 MPa
Yield Strength
>=185 MPa
Not specified
Elongation
>=35%
Not specified
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 annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, rod only; Yield Strength is Rp0.2, Elongation is A (longitudinal)
Typical Applications
IS 6603 X06Cr18Ni9Cu2S
General purposes, semi-finished products, bars, wire rods and bright bars
IS 6603 X15Cr18Ni8
General purposes, semi-finished products, bars, wire rods and bright bars
Key Differences
IS 6603 X06Cr18Ni9Cu2S specifies Cu which is not specified for IS 6603 X15Cr18Ni8.
Can IS 6603 X06Cr18Ni9Cu2S Be Substituted With IS 6603 X15Cr18Ni8?
IS 6603 X06Cr18Ni9Cu2S and IS 6603 X15Cr18Ni8 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 X06Cr18Ni9Cu2S and IS 6603 X15Cr18Ni8?
IS 6603 X06Cr18Ni9Cu2S specifies Cu which is not specified for IS 6603 X15Cr18Ni8.
Can IS 6603 X06Cr18Ni9Cu2S be substituted with IS 6603 X15Cr18Ni8?
IS 6603 X06Cr18Ni9Cu2S and IS 6603 X15Cr18Ni8 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.