Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
KS D3867 SCM440 (KS D 3867:2025) and NF A35-565 100C6 are both steel grades.
Both fall under the Alloy Steel category.
KS D3867 SCM440 is typically used for shafts,gears,axles,bolts,automotive parts,machine components,spindles,hydraulic parts, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts.
KS D3867 SCM440 is defined under Korean Industrial Standards (KS), originating from South Korea, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, KS D3867 SCM440 vs NF A35-565 100C6 is a 67.8% match.
As per mechanical properties, the match is 40%.
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
NF A35-565 100C6
Tensile Strength
900-1100 MPa
850-1100 MPa
Yield Strength
700-900 MPa
Not specified
Elongation
11-16 %
Not specified
Hardness
248-320 HB
60-66 HRC
Typical Applications
KS D3867 SCM440
shafts,gears,axles,bolts,automotive parts,machine components,spindles,hydraulic parts
KS D3867 SCM440 specifies Mo which is not specified for NF A35-565 100C6.
Can KS D3867 SCM440 Be Substituted With NF A35-565 100C6?
KS D3867 SCM440 and NF A35-565 100C6 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 NF A35-565 100C6?
KS D3867 SCM440 specifies Mo which is not specified for NF A35-565 100C6.
Can KS D3867 SCM440 be substituted with NF A35-565 100C6?
KS D3867 SCM440 and NF A35-565 100C6 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.