IS 1570 (Part 7) 3Cr18Ni11H vs IS 1570 (Part 7) 11Cr17Ni13W3TiH
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 7) 3Cr18Ni11H (IS 1570 (Part 7):1992) and IS 1570 (Part 7) 11Cr17Ni13W3TiH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
IS 1570 (Part 7) 3Cr18Ni11H is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature.
IS 1570 (Part 7) 3Cr18Ni11H is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 1570 (Part 7) 3Cr18Ni11H vs IS 1570 (Part 7) 11Cr17Ni13W3TiH is a 63.9% match.
As per mechanical properties, the match is 9.7%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 7) 3Cr18Ni11H:
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 7) 3Cr18Ni11H
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Tensile Strength
490-690 MPa
600-800 MPa
Yield Strength
>=175 MPa (0.2 % proof stress)
>=390 MPa (0.2 % proof stress)
Elongation
>=30%
>=25%
Condition
Tubes, forgings, plates, Q, thickness - (first row of Table 3)
Bars, forgings, pipes, hot cold worked, thickness up to 60 (first row of Table 3)
Typical Applications
IS 1570 (Part 7) 3Cr18Ni11H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for IS 1570 (Part 7) 3Cr18Ni11H.
Can IS 1570 (Part 7) 3Cr18Ni11H Be Substituted With IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 1570 (Part 7) 3Cr18Ni11H and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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 7) 3Cr18Ni11H and IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for IS 1570 (Part 7) 3Cr18Ni11H.
Can IS 1570 (Part 7) 3Cr18Ni11H be substituted with IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 1570 (Part 7) 3Cr18Ni11H and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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.