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GB/T 3077 40CrNiMo vs IS 11169 (Part 1) 41Cr3

Close Alternative — 71.1% match based on chemical composition and mechanical property overlap.

GB/T 3077 40CrNiMo (GB/T 3077:2015) and IS 11169 (Part 1) 41Cr3 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 40CrNiMo is typically used for hot-rolled or forged structural alloy steel bars, while IS 11169 (Part 1) 41Cr3 is commonly used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c). GB/T 3077 40CrNiMo is defined under Guobiao Standards (GB/T), originating from China, while IS 11169 (Part 1) 41Cr3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 40CrNiMo vs IS 11169 (Part 1) 41Cr3 is a 71.1% 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 71.1%.

Frequently Compared With GB/T 3077 40CrNiMo:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
71.1%
MECHANICAL MATCH
No shared data
OVERALL
71.1%
Specifications
Property GB/T 3077 40CrNiMo IS 11169 (Part 1) 41Cr3
Standard GB/T 3077:2015 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.37-0.44 0.38-0.43
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.50-0.80 0.70-0.90
Cr (%) 0.60-0.90 0.70-0.90
Mo (%) 0.15-0.25 <=0.06
Ni (%) 1.25-1.65 <=0.25
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.040
Cu (%) <=0.30 <=0.35
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 11169 (Part 1) 41Cr3
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 11169 (Part 1) 41Cr3
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
Can GB/T 3077 40CrNiMo Be Substituted With IS 11169 (Part 1) 41Cr3?
GB/T 3077 40CrNiMo and IS 11169 (Part 1) 41Cr3 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 40CrNiMo
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IS 11169 (Part 1) 41Cr3
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Frequently Asked Questions
What is the difference between GB/T 3077 40CrNiMo and IS 11169 (Part 1) 41Cr3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 3077 40CrNiMo be substituted with IS 11169 (Part 1) 41Cr3?
GB/T 3077 40CrNiMo and IS 11169 (Part 1) 41Cr3 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.