Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
IS 4367 16Mn5Cr4 (IS 4367:1991) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 4367 16Mn5Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 4367 16Mn5Cr4 vs IS 1570 (Part 4) 103Cr4 is a 79.7% 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 4367 16Mn5Cr4
IS 1570 (Part 4) 103Cr4
Tensile Strength
800 MPa min
Not specified
Elongation
>=10%
Not specified
Izod Impact
35 J min
Not specified
Hardness (soft annealed)
<=207 HB
Not specified
Condition
Refined, quenched and stress relieved (core properties), ruling section up to 30 mm
Not specified
Typical Applications
IS 4367 16Mn5Cr4
Manganese-chromium case-hardening steel; used for gears, shafts, and transmission components requiring good core strength and hardenability
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
IS 4367 16Mn5Cr4 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 4367 16Mn5Cr4 Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 4367 16Mn5Cr4 and IS 1570 (Part 4) 103Cr4 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 4367 16Mn5Cr4 and IS 1570 (Part 4) 103Cr4?
IS 4367 16Mn5Cr4 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 4367 16Mn5Cr4 be substituted with IS 1570 (Part 4) 103Cr4?
IS 4367 16Mn5Cr4 and IS 1570 (Part 4) 103Cr4 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.