Minimal Match — 52.8% match
based on chemical composition and mechanical property overlap.
IS 4432 15Cr3 (IS 4432:1988) and NF A35-565 100C6 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 NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts.
IS 4432 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, IS 4432 15Cr3 vs NF A35-565 100C6 is a 76.5% match.
As per mechanical properties, the match is 5.6%.
Combined, this makes them a minimal match overall at 52.8%.
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
NF A35-565 100C6
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
850-1100 MPa
Hardness
Not specified
60-66 HRC
Typical Applications
IS 4432 15Cr3
Forgings and fabrication of case-hardened machine or automobile parts
Can IS 4432 15Cr3 Be Substituted With NF A35-565 100C6?
IS 4432 15Cr3 and NF A35-565 100C6 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 NF A35-565 100C6?
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 NF A35-565 100C6?
IS 4432 15Cr3 and NF A35-565 100C6 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.