Post Stock Login Register

GB/T 3077 40CrNi2Mo vs IS 11169 (Part 1) 40Cr4Mo2

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GB/T 3077 40CrNi2Mo (GB/T 3077:2015) and IS 11169 (Part 1) 40Cr4Mo2 (IS 11169 (Part 1):2022) 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 11169 (Part 1) 40Cr4Mo2 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 40CrNi2Mo is defined under Guobiao Standards (GB/T), originating from China, while IS 11169 (Part 1) 40Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 3077 40CrNi2Mo vs IS 11169 (Part 1) 40Cr4Mo2 is a 72.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GB/T 3077 40CrNi2Mo:
IS 1570 (Part 7) 10Mo6H 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
Match Breakdown
CHEMISTRY MATCH
72.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property GB/T 3077 40CrNi2Mo IS 11169 (Part 1) 40Cr4Mo2
Standard GB/T 3077:2015 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.38-0.43 0.38-0.43
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.60-0.80 0.75-1.00
Cr (%) 0.70-0.90 0.80-1.10
Mo (%) 0.20-0.30 0.15-0.25
Ni (%) 1.65-2.00 <=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 40CrNi2Mo IS 11169 (Part 1) 40Cr4Mo2
Tensile Strength >=1050 MPa Not specified
Yield Strength >=980 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 40CrNi2Mo
Hot-rolled or forged structural alloy steel bars
IS 11169 (Part 1) 40Cr4Mo2
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 40CrNi2Mo Be Substituted With IS 11169 (Part 1) 40Cr4Mo2?
GB/T 3077 40CrNi2Mo and IS 11169 (Part 1) 40Cr4Mo2 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
0 active listings and RFQs →
IS 11169 (Part 1) 40Cr4Mo2
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 40CrNi2Mo and IS 11169 (Part 1) 40Cr4Mo2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 3077 40CrNi2Mo be substituted with IS 11169 (Part 1) 40Cr4Mo2?
GB/T 3077 40CrNi2Mo and IS 11169 (Part 1) 40Cr4Mo2 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.