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GB/T 3077 15CrNi6 vs IS 1570 (Part 4) 15Cr6Ni6

Strong Match — 86.2% match based on chemical composition and mechanical property overlap.

GB/T 3077 15CrNi6 (GB/T 3077-2015) and IS 1570 (Part 4) 15Cr6Ni6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 15CrNi6 is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 4) 15Cr6Ni6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 15CrNi6 vs IS 1570 (Part 4) 15Cr6Ni6 is a 86.2% 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 86.2%.

Frequently Compared With GB/T 3077 15CrNi6:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Cr20Mo6
Match Breakdown
CHEMISTRY MATCH
86.2%
MECHANICAL MATCH
No shared data
OVERALL
86.2%
Specifications
Property GB/T 3077 15CrNi6 IS 1570 (Part 4) 15Cr6Ni6
Standard GB/T 3077-2015 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.30-0.60 0.40-0.60
Cr (%) 0.60-0.90 1.40-1.70
Ni (%) 1.40-1.70 1.40-1.70
P (%) 0.030 max Not specified
S (%) 0.030 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 15CrNi6 IS 1570 (Part 4) 15Cr6Ni6
Tensile Strength 880-1080 MPa Not specified
Yield Strength 685-880 MPa Not specified
Elongation 10-14% Not specified
Hardness 58-62 HRC (case) Not specified
Typical Applications
GB/T 3077 15CrNi6
Used for gears, shafts, pinions, crankshafts, transmission parts, and heavy-duty couplings.
IS 1570 (Part 4) 15Cr6Ni6
Not documented
Key Differences
Can GB/T 3077 15CrNi6 Be Substituted With IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 15CrNi6 and IS 1570 (Part 4) 15Cr6Ni6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 15Cr6Ni6 is often considered as a substitute for GB/T 3077 15CrNi6 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 15CrNi6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6700 mm (200.79–263.78 in)
IS 1570 (Part 4) 15Cr6Ni6
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On M-EX Right Now
GB/T 3077 15CrNi6
2 active listings and RFQs →
IS 1570 (Part 4) 15Cr6Ni6
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Frequently Asked Questions
What is the difference between GB/T 3077 15CrNi6 and IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 15CrNi6 specifies P, S which are not specified for IS 1570 (Part 4) 15Cr6Ni6.
Can GB/T 3077 15CrNi6 be substituted with IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 15CrNi6 and IS 1570 (Part 4) 15Cr6Ni6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 15Cr6Ni6 is often considered as a substitute for GB/T 3077 15CrNi6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.