Close Alternative — 74.3% match
based on chemical composition and mechanical property overlap.
IS 5517 42Cr6V1 (IS 5517:1993) and IS 4367 40Cr4 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 5517 42Cr6V1 is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 5517 42Cr6V1 vs IS 4367 40Cr4 is a 78.9% match.
As per mechanical properties, the match is 65.3%.
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
IS 5517 42Cr6V1
IS 4367 40Cr4
Tensile Strength
740-880 MPa
700-850 MPa
Yield Strength (0.2% proof)
540 MPa min
Not specified
Elongation
>=14%
>=18%
Izod Impact
55 J min
55 J min
Hardness (annealed)
<=220 HB
Not specified
Condition
Hardened and tempered, ruling section up to 160 mm
Hardened and tempered, ruling section up to 100 mm
Yield Strength
Not specified
540 MPa min
Hardness
Not specified
208-252 HB
Hardness (soft annealed)
Not specified
<=220 HB
Typical Applications
IS 5517 42Cr6V1
Not documented
IS 4367 40Cr4
gears, shafts, axles, spindles, bolts, forged components, machine parts
Key Differences
IS 5517 42Cr6V1 specifies V which is not specified for IS 4367 40Cr4.
Can IS 5517 42Cr6V1 Be Substituted With IS 4367 40Cr4?
IS 5517 42Cr6V1 and IS 4367 40Cr4 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 5517 42Cr6V1 and IS 4367 40Cr4?
IS 5517 42Cr6V1 specifies V which is not specified for IS 4367 40Cr4.
Can IS 5517 42Cr6V1 be substituted with IS 4367 40Cr4?
IS 5517 42Cr6V1 and IS 4367 40Cr4 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.