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GB/T 3077 12CrNi2 vs IS 1570 (Part 4) 15Cr6Ni6

Close Alternative — 75.5% match based on chemical composition and mechanical property overlap.

GB/T 3077 12CrNi2 (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 12CrNi2 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 12CrNi2 vs IS 1570 (Part 4) 15Cr6Ni6 is a 75.5% 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 75.5%.

Frequently Compared With GB/T 3077 12CrNi2:
NF A35-565 100C6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
75.5%
MECHANICAL MATCH
No shared data
OVERALL
75.5%
Specifications
Property GB/T 3077 12CrNi2 IS 1570 (Part 4) 15Cr6Ni6
Standard GB/T 3077:2015 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.10-0.17 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 (%) 1.50-1.90 1.40-1.70
P (%) <=0.030 Not specified
S (%) <=0.030 Not specified
Cu (%) <=0.30 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 12CrNi2 IS 1570 (Part 4) 15Cr6Ni6
Tensile Strength >=785 MPa Not specified
Yield Strength >=590 MPa Not specified
Elongation >=12% Not specified
Hardness <=207 HB Not specified
Condition Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 12CrNi2
Hot-rolled or forged structural alloy steel bars
IS 1570 (Part 4) 15Cr6Ni6
Not documented
Key Differences
Can GB/T 3077 12CrNi2 Be Substituted With IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 12CrNi2 and IS 1570 (Part 4) 15Cr6Ni6 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.
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GB/T 3077 12CrNi2
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IS 1570 (Part 4) 15Cr6Ni6
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Frequently Asked Questions
What is the difference between GB/T 3077 12CrNi2 and IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 12CrNi2 specifies P, S, Cu which are not specified for IS 1570 (Part 4) 15Cr6Ni6.
Can GB/T 3077 12CrNi2 be substituted with IS 1570 (Part 4) 15Cr6Ni6?
GB/T 3077 12CrNi2 and IS 1570 (Part 4) 15Cr6Ni6 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.