IS 1570 (Part 5) X15Cr25N vs IS 1570 (Part 7) 12Cr12MoVH
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 5) X15Cr25N (IS 1570 (Part 5):1985) and IS 1570 (Part 7) 12Cr12MoVH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
IS 1570 (Part 5) X15Cr25N is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12MoVH is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 1570 (Part 5) X15Cr25N vs IS 1570 (Part 7) 12Cr12MoVH is a 54.2% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 5) X15Cr25N:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 5) X15Cr25N
IS 1570 (Part 7) 12Cr12MoVH
Tensile Strength
>=515 MPa
770-930 MPa
Yield Strength
>=275 MPa (0.2 % proof stress)
>=585 MPa (0.2 % proof stress)
Elongation
>=20% (50 mm)
>=15%
Hardness
<=217 HB
Not specified
Condition
Annealed, quenched or solution treated plates, sheets and strips (Table 2)
Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Typical Applications
IS 1570 (Part 5) X15Cr25N
Not documented
IS 1570 (Part 7) 12Cr12MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
IS 1570 (Part 5) X15Cr25N specifies N which is not specified for IS 1570 (Part 7) 12Cr12MoVH.
IS 1570 (Part 7) 12Cr12MoVH specifies Ni, Mo, V which are not specified for IS 1570 (Part 5) X15Cr25N.
Can IS 1570 (Part 5) X15Cr25N Be Substituted With IS 1570 (Part 7) 12Cr12MoVH?
IS 1570 (Part 5) X15Cr25N and IS 1570 (Part 7) 12Cr12MoVH 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 1570 (Part 5) X15Cr25N and IS 1570 (Part 7) 12Cr12MoVH?
IS 1570 (Part 5) X15Cr25N specifies N which is not specified for IS 1570 (Part 7) 12Cr12MoVH. IS 1570 (Part 7) 12Cr12MoVH specifies Ni, Mo, V which are not specified for IS 1570 (Part 5) X15Cr25N.
Can IS 1570 (Part 5) X15Cr25N be substituted with IS 1570 (Part 7) 12Cr12MoVH?
IS 1570 (Part 5) X15Cr25N and IS 1570 (Part 7) 12Cr12MoVH 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.