Related Material — 60.3% match
based on chemical composition and mechanical property overlap.
AISI 5140 and NF A35-565 100C6 are both steel grades.
Both fall under the Alloy Steel category.
AISI 5140 is typically used for used for gears, shafts, spindles, bolts, machinery parts, and automotive components., while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts.
AISI 5140 is defined under AISI, originating from United States, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, AISI 5140 vs NF A35-565 100C6 is a 75.4% match.
As per mechanical properties, the match is 30%.
Combined, this makes them a related material overall at 60.3%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
AISI 5140
NF A35-565 100C6
Condition
Quenched & Tempered
Not specified
Tensile Strength
850-1000 MPa
850-1100 MPa
Yield Strength
650-800 MPa
Not specified
Elongation
12-18%
Not specified
Hardness
240-300 HB
60-66 HRC
Typical Applications
AISI 5140
Used for gears, shafts, spindles, bolts, machinery parts, and automotive components.
Can AISI 5140 Be Substituted With NF A35-565 100C6?
AISI 5140 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 AISI 5140 and NF A35-565 100C6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AISI 5140 be substituted with NF A35-565 100C6?
AISI 5140 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.