IS 11169 (Part 2) X02Cr17Ni12Mo2 vs IS 1570 (Part 7) 12Cr12MoH
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 2) X02Cr17Ni12Mo2 (IS 11169 (Part 2):1989) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
IS 11169 (Part 2) X02Cr17Ni12Mo2 is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars (clause 1.1), 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.
IS 11169 (Part 2) X02Cr17Ni12Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 2) X02Cr17Ni12Mo2 vs IS 1570 (Part 7) 12Cr12MoH is a 59.9% match.
As per mechanical properties, the match is 6.1%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 11169 (Part 2) X02Cr17Ni12Mo2:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 11169 (Part 2) X02Cr17Ni12Mo2
IS 1570 (Part 7) 12Cr12MoH
Yield Strength (0.2% proof)
>=225 MPa
Not specified
Tensile Strength
500-750 MPa
680-880 MPa
Elongation
>=40%
>=20%
Impact (U-notch 5 mm)
>=60 J
Not specified
Condition
Quenched reference test piece (Table 6 treatment)
Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Yield Strength
Not specified
>=490 MPa (0.2 % proof stress)
Typical Applications
IS 11169 (Part 2) X02Cr17Ni12Mo2
Cold heading and cold extrusion; the standard covers wires, wire rods and bars (clause 1.1)
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Can IS 11169 (Part 2) X02Cr17Ni12Mo2 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
IS 11169 (Part 2) X02Cr17Ni12Mo2 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 IS 11169 (Part 2) X02Cr17Ni12Mo2 and IS 1570 (Part 7) 12Cr12MoH?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 2) X02Cr17Ni12Mo2 be substituted with IS 1570 (Part 7) 12Cr12MoH?
IS 11169 (Part 2) X02Cr17Ni12Mo2 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.