Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 40Cr7Al10Mo2 (IS 1570 (Part 4):1988) and NF A35-565 100C6 are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 40Cr7Al10Mo2 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 1570 (Part 4) 40Cr7Al10Mo2 vs NF A35-565 100C6 is a 56.9% match.
As per mechanical properties, the match is 30%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 4) 40Cr7Al10Mo2:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 4) 40Cr7Al10Mo2
NF A35-565 100C6
Tensile Strength
890-1040 MPa
850-1100 MPa
Yield Strength
>=650 MPa (0.2 % proof stress)
Not specified
Elongation
>=15%
Not specified
Izod Impact
>=48 J
Not specified
Hardness
255-311 HBS (guidance only)
60-66 HRC
Condition
Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm
IS 1570 (Part 4) 40Cr7Al10Mo2 specifies Ni, Mo, Al which are not specified for NF A35-565 100C6.
NF A35-565 100C6 specifies S, P which are not specified for IS 1570 (Part 4) 40Cr7Al10Mo2.
Can IS 1570 (Part 4) 40Cr7Al10Mo2 Be Substituted With NF A35-565 100C6?
IS 1570 (Part 4) 40Cr7Al10Mo2 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 1570 (Part 4) 40Cr7Al10Mo2 and NF A35-565 100C6?
IS 1570 (Part 4) 40Cr7Al10Mo2 specifies Ni, Mo, Al which are not specified for NF A35-565 100C6. NF A35-565 100C6 specifies S, P which are not specified for IS 1570 (Part 4) 40Cr7Al10Mo2.
Can IS 1570 (Part 4) 40Cr7Al10Mo2 be substituted with NF A35-565 100C6?
IS 1570 (Part 4) 40Cr7Al10Mo2 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.