Close Alternative — 71.1% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 41Cr3 (IS 11169 (Part 1):2022) and GB/T 3077 40CrNiMo (GB/T 3077:2015) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 41Cr3 is typically 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), while GB/T 3077 40CrNiMo is commonly used for hot-rolled or forged structural alloy steel bars.
IS 11169 (Part 1) 41Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 3077 40CrNiMo is defined under Guobiao Standards (GB/T), originating from China.
As per chemical composition, IS 11169 (Part 1) 41Cr3 vs GB/T 3077 40CrNiMo 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%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 11169 (Part 1) 41Cr3
GB/T 3077 40CrNiMo
Tensile Strength
Not specified
>=980 MPa
Yield Strength
Not specified
>=835 MPa
Elongation
Not specified
>=12%
Hardness
Not specified
<=269 HB
Condition
Not specified
Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
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)
GB/T 3077 40CrNiMo
Hot-rolled or forged structural alloy steel bars
Can IS 11169 (Part 1) 41Cr3 Be Substituted With GB/T 3077 40CrNiMo?
IS 11169 (Part 1) 41Cr3 and GB/T 3077 40CrNiMo 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.
What is the difference between IS 11169 (Part 1) 41Cr3 and GB/T 3077 40CrNiMo?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 1) 41Cr3 be substituted with GB/T 3077 40CrNiMo?
IS 11169 (Part 1) 41Cr3 and GB/T 3077 40CrNiMo 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.