Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 6603 X12Cr13S (IS 6603:2024) and IS 1570 (Part 7) 12Cr12Ni2Mo (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
IS 6603 X12Cr13S is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 1570 (Part 7) 12Cr12Ni2Mo is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature.
IS 6603 X12Cr13S is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12Ni2Mo is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 6603 X12Cr13S vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 56% 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
IS 6603 X12Cr13S
IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength
<=880 MPa
930-1130 MPa
Hardness
<=262 HB
Not specified
Condition
Soft annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, all sizes; hardness as printed
Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Yield Strength
Not specified
>=785 MPa (0.2 % proof stress)
Elongation
Not specified
>=14%
Typical Applications
IS 6603 X12Cr13S
General purposes, semi-finished products, bars, wire rods and bright bars
IS 1570 (Part 7) 12Cr12Ni2Mo
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
IS 1570 (Part 7) 12Cr12Ni2Mo specifies Ni, V, N which are not specified for IS 6603 X12Cr13S.
Can IS 6603 X12Cr13S Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X12Cr13S and IS 1570 (Part 7) 12Cr12Ni2Mo 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 IS 6603 X12Cr13S and IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 7) 12Cr12Ni2Mo specifies Ni, V, N which are not specified for IS 6603 X12Cr13S.
Can IS 6603 X12Cr13S be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X12Cr13S and IS 1570 (Part 7) 12Cr12Ni2Mo 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.