Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
IS 4432 15Cr3 (IS 4432:1988) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 4432 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 4432 15Cr3 vs IS 1570 (Part 4) 103Cr6 is a 75.1% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 69.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 4432 15Cr3
IS 1570 (Part 4) 103Cr6
Core Tensile Strength
650-900 MPa (16 mm) / 600-900 MPa (30 mm)
Not specified
Core Yield Strength
>=430 MPa (16 mm) / >=360 MPa (30 mm)
Not specified
Core Elongation
>=12% (16 mm) / >=14% (30 mm)
Not specified
Core Reduction of Area
>=35% (16 mm) / >=40% (30 mm)
Not specified
Hardness, annealed (A)
<=174 HB
Not specified
Typical Applications
IS 4432 15Cr3
Forgings and fabrication of case-hardened machine or automobile parts
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
IS 4432 15Cr3 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can IS 4432 15Cr3 Be Substituted With IS 1570 (Part 4) 103Cr6?
IS 4432 15Cr3 and IS 1570 (Part 4) 103Cr6 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 4432 15Cr3 and IS 1570 (Part 4) 103Cr6?
IS 4432 15Cr3 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can IS 4432 15Cr3 be substituted with IS 1570 (Part 4) 103Cr6?
IS 4432 15Cr3 and IS 1570 (Part 4) 103Cr6 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.