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GB/T 3077 40CrNiMo vs IS 1570 (Part 4) 10Mo6

Minimal Match — 54.6% match based on chemical composition and mechanical property overlap.

GB/T 3077 40CrNiMo (GB/T 3077:2015) and IS 1570 (Part 4) 10Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 40CrNiMo is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 4) 10Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 40CrNiMo vs IS 1570 (Part 4) 10Mo6 is a 54.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 54.6%.

Frequently Compared With GB/T 3077 40CrNiMo:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 EN 10028-2 10CrMo9-10 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5
Match Breakdown
CHEMISTRY MATCH
54.6%
MECHANICAL MATCH
No shared data
OVERALL
54.6%
Specifications
Property GB/T 3077 40CrNiMo IS 1570 (Part 4) 10Mo6
Standard GB/T 3077:2015 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.37-0.44 <=0.15
Si (%) 0.17-0.37 0.15-0.25
Mn (%) 0.50-0.80 0.40-0.70
Cr (%) 0.60-0.90 <=0.25
Mo (%) 0.15-0.25 0.45-0.65
Ni (%) 1.25-1.65 <=0.30
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 40CrNiMo IS 1570 (Part 4) 10Mo6
Tensile Strength >=980 MPa Not specified
Yield Strength >=835 MPa Not specified
Elongation >=12% Not specified
Hardness <=269 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 40CrNiMo
Hot-rolled or forged structural alloy steel bars
IS 1570 (Part 4) 10Mo6
Not documented
Key Differences
Can GB/T 3077 40CrNiMo Be Substituted With IS 1570 (Part 4) 10Mo6?
GB/T 3077 40CrNiMo and IS 1570 (Part 4) 10Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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GB/T 3077 40CrNiMo
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IS 1570 (Part 4) 10Mo6
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Frequently Asked Questions
What is the difference between GB/T 3077 40CrNiMo and IS 1570 (Part 4) 10Mo6?
GB/T 3077 40CrNiMo specifies P, S, Cu which are not specified for IS 1570 (Part 4) 10Mo6.
Can GB/T 3077 40CrNiMo be substituted with IS 1570 (Part 4) 10Mo6?
GB/T 3077 40CrNiMo and IS 1570 (Part 4) 10Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.