Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 5522 X07Cr17 (IS 5522:2014) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
IS 5522 X07Cr17 is typically used for utensils, 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 5522 X07Cr17 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 5522 X07Cr17 vs IS 1570 (Part 7) 12Cr12MoH is a 70.2% 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
IS 5522 X07Cr17
IS 1570 (Part 7) 12Cr12MoH
Tensile Strength
>=450 MPa
680-880 MPa
Yield Strength
>=205 MPa
>=490 MPa (0.2 % proof stress)
Elongation
>=20%
>=20%
Hardness
<=183 HB
Not specified
Condition
Annealed/softened
Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
IS 5522 X07Cr17
Utensils
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
IS 1570 (Part 7) 12Cr12MoH specifies Mo which is not specified for IS 5522 X07Cr17.
Can IS 5522 X07Cr17 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
IS 5522 X07Cr17 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 5522 X07Cr17 and IS 1570 (Part 7) 12Cr12MoH?
IS 1570 (Part 7) 12Cr12MoH specifies Mo which is not specified for IS 5522 X07Cr17.
Can IS 5522 X07Cr17 be substituted with IS 1570 (Part 7) 12Cr12MoH?
IS 5522 X07Cr17 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.