Close Alternative — 80.7% match
based on chemical composition and mechanical property overlap.
EN 10084 17CrNi6-6 (EN 10084:2008) and IS 5517 35Ni5Cr2 (IS 5517:1993) are both steel grades.
Both fall under the Alloy Steel category.
EN 10084 17CrNi6-6 is defined under European Standard (EN), originating from Europe, while IS 5517 35Ni5Cr2 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, EN 10084 17CrNi6-6 vs IS 5517 35Ni5Cr2 is a 71.1% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a close alternative overall at 80.7%.
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 17CrNi6-6
IS 5517 35Ni5Cr2
Condition
Soft annealed
Hardened and tempered, ruling section up to 150 mm
Hardenability
+H band at 1.5 mm from the quenched end: 39 to 47 HRC
Not specified
Hardness
Soft annealed: 229 HB max
Not specified
Tensile Strength
Not specified
700-850 MPa
Yield Strength (0.2% proof)
Not specified
540 MPa min
Elongation
Not specified
>=18%
Izod Impact
Not specified
55 J min
Hardness (annealed)
Not specified
<=229 HB
Typical Applications
EN 10084 17CrNi6-6
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
IS 5517 35Ni5Cr2
Not documented
Can EN 10084 17CrNi6-6 Be Substituted With IS 5517 35Ni5Cr2?
EN 10084 17CrNi6-6 and IS 5517 35Ni5Cr2 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 17CrNi6-6 and IS 5517 35Ni5Cr2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10084 17CrNi6-6 be substituted with IS 5517 35Ni5Cr2?
EN 10084 17CrNi6-6 and IS 5517 35Ni5Cr2 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.