IS 1570 (Part 4) 16Ni6Cr7Mo3 vs GB/T 3077 17CrNiMo6
Strong Match — 92.4% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) and GB/T 3077 17CrNiMo6 (GB/T 3077-2015) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 3077 17CrNiMo6 is defined under Guobiao Standards (GB/T), originating from China.
As per chemical composition, IS 1570 (Part 4) 16Ni6Cr7Mo3 vs GB/T 3077 17CrNiMo6 is a 92.4% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a strong match overall at 92.4%.
Frequently Compared With IS 1570 (Part 4) 16Ni6Cr7Mo3:
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) 16Ni6Cr7Mo3
GB/T 3077 17CrNiMo6
Tensile Strength
Not specified
1000-1200 MPa
Yield Strength
Not specified
800-1000 MPa
Elongation
Not specified
9-13%
Hardness
Not specified
58-62 HRC (case)
Typical Applications
IS 1570 (Part 4) 16Ni6Cr7Mo3
Not documented
GB/T 3077 17CrNiMo6
Used for automotive gears, gearboxes, shafts, pinions, industrial reducers, and heavy machinery components.
Key Differences
GB/T 3077 17CrNiMo6 specifies P, S which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 Be Substituted With GB/T 3077 17CrNiMo6?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and GB/T 3077 17CrNiMo6 overlap closely enough on chemistry and mechanical properties that GB/T 3077 17CrNiMo6 is often considered as a substitute for IS 1570 (Part 4) 16Ni6Cr7Mo3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 1570 (Part 4) 16Ni6Cr7Mo3 and GB/T 3077 17CrNiMo6?
GB/T 3077 17CrNiMo6 specifies P, S which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 be substituted with GB/T 3077 17CrNiMo6?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and GB/T 3077 17CrNiMo6 overlap closely enough on chemistry and mechanical properties that GB/T 3077 17CrNiMo6 is often considered as a substitute for IS 1570 (Part 4) 16Ni6Cr7Mo3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.