Close Alternative — 74.3% match
based on chemical composition and mechanical property overlap.
GB/T 3077 17CrNiMo6 (GB/T 3077-2015) and EN 10084 17CrNiMo6 (EN 10084:1998) are both steel grades.
Both fall under the Alloy Steel category.
GB/T 3077 17CrNiMo6 is typically used for used for automotive gears, gearboxes, shafts, pinions, industrial reducers, and heavy machinery components., while EN 10084 17CrNiMo6 is commonly used for used in heavy-duty gears, pinions, drive shafts, transmission parts, and industrial gearboxes..
GB/T 3077 17CrNiMo6 is defined under Guobiao Standards (GB/T), originating from China, while EN 10084 17CrNiMo6 is defined under European Standard (EN), originating from Europe.
As per chemical composition, GB/T 3077 17CrNiMo6 vs EN 10084 17CrNiMo6 is a 93.8% match.
As per mechanical properties, the match is 35.4%.
Combined, this makes them a close alternative overall at 74.3%.
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 17CrNiMo6
EN 10084 17CrNiMo6
Tensile Strength
1000-1200 MPa
900-1200 MPa
Yield Strength
800-1000 MPa
750 MPa min
Elongation
9-13%
9-12%
Hardness
58-62 HRC (case)
280-340 HB
Typical Applications
GB/T 3077 17CrNiMo6
Used for automotive gears, gearboxes, shafts, pinions, industrial reducers, and heavy machinery components.
EN 10084 17CrNiMo6
Used in heavy-duty gears, pinions, drive shafts, transmission parts, and industrial gearboxes.
Can GB/T 3077 17CrNiMo6 Be Substituted With EN 10084 17CrNiMo6?
GB/T 3077 17CrNiMo6 and EN 10084 17CrNiMo6 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 GB/T 3077 17CrNiMo6 and EN 10084 17CrNiMo6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 3077 17CrNiMo6 be substituted with EN 10084 17CrNiMo6?
GB/T 3077 17CrNiMo6 and EN 10084 17CrNiMo6 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.