Minimal Match — 39.1% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 7) 21CrMoVH (IS 1570 (Part 7):1992) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 7) 21CrMoVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 1570 (Part 7) 21CrMoVH vs IS 4367 07Cr4Mo6 is a 58.7% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 39.1%.
Frequently Compared With IS 1570 (Part 7) 21CrMoVH:
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) 21CrMoVH
IS 4367 07Cr4Mo6
Tensile Strength
700-850 MPa
380-550 MPa
Yield Strength
>=550 MPa (0.2 % proof stress)
225 MPa min
Elongation
>=16%
>=19%
Condition
Bars, forgings, Q+T, thickness up to 250 (first row of Table 3)
Normalised and tempered, ruling section up to 40 mm
Izod Impact
Not specified
60 J min
Hardness (soft annealed)
Not specified
<=170 HB
Typical Applications
IS 1570 (Part 7) 21CrMoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 4367 07Cr4Mo6
Not documented
Key Differences
IS 1570 (Part 7) 21CrMoVH specifies V which is not specified for IS 4367 07Cr4Mo6.
Can IS 1570 (Part 7) 21CrMoVH Be Substituted With IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 21CrMoVH and IS 4367 07Cr4Mo6 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) 21CrMoVH and IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 21CrMoVH specifies V which is not specified for IS 4367 07Cr4Mo6.
Can IS 1570 (Part 7) 21CrMoVH be substituted with IS 4367 07Cr4Mo6?
IS 1570 (Part 7) 21CrMoVH and IS 4367 07Cr4Mo6 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.