EN 10088-3 X2CrNbCu21 vs IS 1570 (Part 7) 12Cr12MoH
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
EN 10088-3 X2CrNbCu21 (EN 10088-3:2014) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
EN 10088-3 X2CrNbCu21 is typically used for general purposes, semi-finished products, bars, rods, wire, sections and bright products, while IS 1570 (Part 7) 12Cr12MoH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature.
EN 10088-3 X2CrNbCu21 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, EN 10088-3 X2CrNbCu21 vs IS 1570 (Part 7) 12Cr12MoH is a 50.8% match.
As per mechanical properties, the match is 33.3%.
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
EN 10088-3 X2CrNbCu21
IS 1570 (Part 7) 12Cr12MoH
Tensile Strength
420-640 MPa
680-880 MPa
Yield Strength
>=240 MPa
>=490 MPa (0.2 % proof stress)
Elongation
>=20%
>=20%
Hardness
<=200 HB
Not specified
Condition
Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 50 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal), hardness for guidance only
Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
EN 10088-3 X2CrNbCu21
General purposes, semi-finished products, bars, rods, wire, sections and bright products
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
EN 10088-3 X2CrNbCu21 specifies N, Cu, Nb which are not specified for IS 1570 (Part 7) 12Cr12MoH.
IS 1570 (Part 7) 12Cr12MoH specifies Ni, Mo which are not specified for EN 10088-3 X2CrNbCu21.
Can EN 10088-3 X2CrNbCu21 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
EN 10088-3 X2CrNbCu21 and IS 1570 (Part 7) 12Cr12MoH 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 EN 10088-3 X2CrNbCu21 and IS 1570 (Part 7) 12Cr12MoH?
EN 10088-3 X2CrNbCu21 specifies N, Cu, Nb which are not specified for IS 1570 (Part 7) 12Cr12MoH. IS 1570 (Part 7) 12Cr12MoH specifies Ni, Mo which are not specified for EN 10088-3 X2CrNbCu21.
Can EN 10088-3 X2CrNbCu21 be substituted with IS 1570 (Part 7) 12Cr12MoH?
EN 10088-3 X2CrNbCu21 and IS 1570 (Part 7) 12Cr12MoH 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.