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