Minimal Match — 41.8% match
based on chemical composition and mechanical property overlap.
NF A35-565 18NCD4 and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
NF A35-565 18NCD4 is defined under Association Francaise de Normalisation (NF), originating from France, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, NF A35-565 18NCD4 vs IS 4367 07Cr4Mo6 is a 62.8% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 41.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
NF A35-565 18NCD4
IS 4367 07Cr4Mo6
Tensile Strength
850-1100 MPa
380-550 MPa
Yield Strength
650-850 MPa
225 MPa min
Elongation
10-16%
>=19%
Hardness
58-62 HRC (case)
Not specified
Izod Impact
Not specified
60 J min
Hardness (soft annealed)
Not specified
<=170 HB
Condition
Not specified
Normalised and tempered, ruling section up to 40 mm
Typical Applications
NF A35-565 18NCD4
Used for gears, aerospace shafts, pinions, transmission components, heavy-duty bearings, and carburized mechanical parts.
IS 4367 07Cr4Mo6
Not documented
Can NF A35-565 18NCD4 Be Substituted With IS 4367 07Cr4Mo6?
NF A35-565 18NCD4 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 NF A35-565 18NCD4 and IS 4367 07Cr4Mo6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can NF A35-565 18NCD4 be substituted with IS 4367 07Cr4Mo6?
NF A35-565 18NCD4 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.