Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 7) 40CrMoH (IS 1570 (Part 7):1992) and NF A35-565 100C6 are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 7) 40CrMoH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts.
IS 1570 (Part 7) 40CrMoH 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 7) 40CrMoH vs NF A35-565 100C6 is a 68.6% match.
As per mechanical properties, the match is 60%.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 7) 40CrMoH:
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 7) 40CrMoH
NF A35-565 100C6
Tensile Strength
850-1000 MPa
850-1100 MPa
Yield Strength
>=635 MPa (0.2 % proof stress)
Not specified
Elongation
>=14%
Not specified
Condition
Bars, forgings, Q+T, thickness up to 200 (first row of Table 3)
Not specified
Hardness
Not specified
60-66 HRC
Typical Applications
IS 1570 (Part 7) 40CrMoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 7) 40CrMoH specifies Mo which is not specified for NF A35-565 100C6.
Can IS 1570 (Part 7) 40CrMoH Be Substituted With NF A35-565 100C6?
IS 1570 (Part 7) 40CrMoH 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 7) 40CrMoH and NF A35-565 100C6?
IS 1570 (Part 7) 40CrMoH specifies Mo which is not specified for NF A35-565 100C6.
Can IS 1570 (Part 7) 40CrMoH be substituted with NF A35-565 100C6?
IS 1570 (Part 7) 40CrMoH 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.