Minimal Match — 37.3% match
based on chemical composition and mechanical property overlap.
IS 4367 20NiCrMo2 (IS 4367:1991) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 4367 20NiCrMo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 4367 20NiCrMo2 vs IS 4367 10Cr9Mo10 is a 56% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 37.3%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 4367 20NiCrMo2
IS 4367 10Cr9Mo10
Tensile Strength
900 MPa min
410-590 MPa
Elongation
>=11%
>=18%
Izod Impact
41 J min
55 J min
Hardness (soft annealed)
<=213 HB
<=187 HB
Condition
Refined, quenched and stress relieved (core properties), ruling section up to 30 mm
Normalised and tempered, ruling section up to 50 mm
Yield Strength
Not specified
245 MPa min
Typical Applications
IS 4367 20NiCrMo2
Nickel-chromium-molybdenum case-hardening steel; used for highly stressed gears, shafts, and transmission components requiring high core strength, toughness, and wear-resistant carburized surface
IS 4367 10Cr9Mo10
Not documented
Can IS 4367 20NiCrMo2 Be Substituted With IS 4367 10Cr9Mo10?
IS 4367 20NiCrMo2 and IS 4367 10Cr9Mo10 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.
What is the difference between IS 4367 20NiCrMo2 and IS 4367 10Cr9Mo10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4367 20NiCrMo2 be substituted with IS 4367 10Cr9Mo10?
IS 4367 20NiCrMo2 and IS 4367 10Cr9Mo10 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.