Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
KS D3867 SCM440 (KS D 3867:2025) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
KS D3867 SCM440 is defined under Korean Industrial Standards (KS), originating from South Korea, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, KS D3867 SCM440 vs IS 4367 10Cr9Mo10 is a 58.5% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
KS D3867 SCM440
IS 4367 10Cr9Mo10
Tensile Strength
900-1100 MPa
410-590 MPa
Yield Strength
700-900 MPa
245 MPa min
Elongation
11-16 %
>=18%
Hardness
248-320 HB
Not specified
Izod Impact
Not specified
55 J min
Hardness (soft annealed)
Not specified
<=187 HB
Condition
Not specified
Normalised and tempered, ruling section up to 50 mm
Typical Applications
KS D3867 SCM440
shafts,gears,axles,bolts,automotive parts,machine components,spindles,hydraulic parts
IS 4367 10Cr9Mo10
Not documented
Key Differences
IS 4367 10Cr9Mo10 specifies Ni which is not specified for KS D3867 SCM440.
Can KS D3867 SCM440 Be Substituted With IS 4367 10Cr9Mo10?
KS D3867 SCM440 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 KS D3867 SCM440 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni which is not specified for KS D3867 SCM440.
Can KS D3867 SCM440 be substituted with IS 4367 10Cr9Mo10?
KS D3867 SCM440 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.