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GB/T 3077 40CrNi2Mo vs IS 1570 (Part 7) 10Mo6H

Minimal Match — 34.6% match based on chemical composition and mechanical property overlap.

GB/T 3077 40CrNi2Mo (GB/T 3077:2015) and IS 1570 (Part 7) 10Mo6H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 40CrNi2Mo is typically used for hot-rolled or forged structural alloy steel bars, while IS 1570 (Part 7) 10Mo6H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. GB/T 3077 40CrNi2Mo is defined under Guobiao Standards (GB/T), originating from China, while IS 1570 (Part 7) 10Mo6H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 40CrNi2Mo vs IS 1570 (Part 7) 10Mo6H is a 51.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 34.6%.

Frequently Compared With GB/T 3077 40CrNi2Mo:
UNI 11234 100Cr6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 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 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
51.9%
MECHANICAL MATCH
0%
OVERALL
34.6%
Specifications
Property GB/T 3077 40CrNi2Mo IS 1570 (Part 7) 10Mo6H
Standard GB/T 3077:2015 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.38-0.43 <=0.15
Si (%) 0.17-0.37 0.50-1.00
Mn (%) 0.60-0.80 0.30-0.60
Cr (%) 0.70-0.90 1.00-1.50
Mo (%) 0.20-0.30 0.45-0.60
Ni (%) 1.65-2.00 Not specified
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
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 40CrNi2Mo IS 1570 (Part 7) 10Mo6H
Tensile Strength >=1050 MPa >=415 MPa
Yield Strength >=980 MPa >=205 MPa (0.2 % proof stress)
Elongation >=12% >=30%
Hardness <=269 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Tubes, N+T, thickness - (first row of Table 3)
Typical Applications
GB/T 3077 40CrNi2Mo
Hot-rolled or forged structural alloy steel bars
IS 1570 (Part 7) 10Mo6H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can GB/T 3077 40CrNi2Mo Be Substituted With IS 1570 (Part 7) 10Mo6H?
GB/T 3077 40CrNi2Mo and IS 1570 (Part 7) 10Mo6H 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.
On M-EX Right Now
GB/T 3077 40CrNi2Mo
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IS 1570 (Part 7) 10Mo6H
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Frequently Asked Questions
What is the difference between GB/T 3077 40CrNi2Mo and IS 1570 (Part 7) 10Mo6H?
GB/T 3077 40CrNi2Mo specifies Ni, Cu which are not specified for IS 1570 (Part 7) 10Mo6H.
Can GB/T 3077 40CrNi2Mo be substituted with IS 1570 (Part 7) 10Mo6H?
GB/T 3077 40CrNi2Mo and IS 1570 (Part 7) 10Mo6H 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.