Minimal Match — 54.5% match
based on chemical composition and mechanical property overlap.
IS 4432 15Cr3 (IS 4432:1988) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades.
Both fall under the Alloy Steel category.
IS 4432 15Cr3 is typically used for forgings and fabrication of case-hardened machine or automobile parts, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components.
IS 4432 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.
As per chemical composition, IS 4432 15Cr3 vs UNI 11234 100Cr6 is a 76.3% match.
As per mechanical properties, the match is 10.7%.
Combined, this makes them a minimal match overall at 54.5%.
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
UNI 11234 100Cr6
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
Tensile Strength
Not specified
750-1000 MPa
Yield Strength
Not specified
400-600 MPa
Elongation
Not specified
10-14 %
Hardness
Not specified
60-64 HRC
Typical Applications
IS 4432 15Cr3
Forgings and fabrication of case-hardened machine or automobile parts
Can IS 4432 15Cr3 Be Substituted With UNI 11234 100Cr6?
IS 4432 15Cr3 and UNI 11234 100Cr6 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 UNI 11234 100Cr6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4432 15Cr3 be substituted with UNI 11234 100Cr6?
IS 4432 15Cr3 and UNI 11234 100Cr6 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.