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GB/T 3077 17CrNiMo6 vs IS 1570 (Part 4) 16Ni6Cr7Mo3

Strong Match — 92.4% match based on chemical composition and mechanical property overlap.

GB/T 3077 17CrNiMo6 (GB/T 3077-2015) and IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 17CrNiMo6 is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 17CrNiMo6 vs IS 1570 (Part 4) 16Ni6Cr7Mo3 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 GB/T 3077 17CrNiMo6:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
92.4%
MECHANICAL MATCH
No shared data
OVERALL
92.4%
Specifications
Property GB/T 3077 17CrNiMo6 IS 1570 (Part 4) 16Ni6Cr7Mo3
Standard GB/T 3077-2015 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.14-0.19
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.50-0.80 0.40-0.60
Cr (%) 1.50-1.80 1.50-1.80
Ni (%) 1.40-1.70 1.40-1.70
Mo (%) 0.25-0.35 0.25-0.35
P (%) 0.025 max Not specified
S (%) 0.035 max Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 3077 17CrNiMo6 IS 1570 (Part 4) 16Ni6Cr7Mo3
Tensile Strength 1000-1200 MPa Not specified
Yield Strength 800-1000 MPa Not specified
Elongation 9-13% Not specified
Hardness 58-62 HRC (case) Not specified
Typical Applications
GB/T 3077 17CrNiMo6
Used for automotive gears, gearboxes, shafts, pinions, industrial reducers, and heavy machinery components.
IS 1570 (Part 4) 16Ni6Cr7Mo3
Not documented
Key Differences
Can GB/T 3077 17CrNiMo6 Be Substituted With IS 1570 (Part 4) 16Ni6Cr7Mo3?
GB/T 3077 17CrNiMo6 and IS 1570 (Part 4) 16Ni6Cr7Mo3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 16Ni6Cr7Mo3 is often considered as a substitute for GB/T 3077 17CrNiMo6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
GB/T 3077 17CrNiMo6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5800–6000 mm (228.35–236.22 in)
IS 1570 (Part 4) 16Ni6Cr7Mo3
No active listings currently.
On M-EX Right Now
GB/T 3077 17CrNiMo6
2 active listings and RFQs →
IS 1570 (Part 4) 16Ni6Cr7Mo3
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Frequently Asked Questions
What is the difference between GB/T 3077 17CrNiMo6 and IS 1570 (Part 4) 16Ni6Cr7Mo3?
GB/T 3077 17CrNiMo6 specifies P, S which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can GB/T 3077 17CrNiMo6 be substituted with IS 1570 (Part 4) 16Ni6Cr7Mo3?
GB/T 3077 17CrNiMo6 and IS 1570 (Part 4) 16Ni6Cr7Mo3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 16Ni6Cr7Mo3 is often considered as a substitute for GB/T 3077 17CrNiMo6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.