Close Alternative — 75.9% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 15Cr6Ni6 (IS 1570 (Part 4):1988) and NF A35-565 16NC11 are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 15Cr6Ni6 is defined under Bureau of Indian Standards (IS), originating from India, while NF A35-565 16NC11 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, IS 1570 (Part 4) 15Cr6Ni6 vs NF A35-565 16NC11 is a 75.9% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a close alternative overall at 75.9%.
Frequently Compared With IS 1570 (Part 4) 15Cr6Ni6:
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) 15Cr6Ni6
NF A35-565 16NC11
Tensile Strength
Not specified
700-900 MPa
Yield Strength
Not specified
450-650 MPa
Elongation
Not specified
12-18%
Hardness
Not specified
58-62 HRC (case)
Typical Applications
IS 1570 (Part 4) 15Cr6Ni6
Not documented
NF A35-565 16NC11
Used for gears, pinions, shafts, cam components, transmission parts, and carburized machine elements.
Key Differences
NF A35-565 16NC11 specifies P, S which are not specified for IS 1570 (Part 4) 15Cr6Ni6.
Can IS 1570 (Part 4) 15Cr6Ni6 Be Substituted With NF A35-565 16NC11?
IS 1570 (Part 4) 15Cr6Ni6 and NF A35-565 16NC11 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between IS 1570 (Part 4) 15Cr6Ni6 and NF A35-565 16NC11?
NF A35-565 16NC11 specifies P, S which are not specified for IS 1570 (Part 4) 15Cr6Ni6.
Can IS 1570 (Part 4) 15Cr6Ni6 be substituted with NF A35-565 16NC11?
IS 1570 (Part 4) 15Cr6Ni6 and NF A35-565 16NC11 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.