Related Material — 57.3% match
based on chemical composition and mechanical property overlap.
AISI 5140 and UNI 11234 100Cr6 (UNI 11234:2007) 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 UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components.
AISI 5140 is defined under AISI, originating from United States, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.
As per chemical composition, AISI 5140 vs UNI 11234 100Cr6 is a 75.3% match.
As per mechanical properties, the match is 21.3%.
Combined, this makes them a related material overall at 57.3%.
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
UNI 11234 100Cr6
Condition
Quenched & Tempered
Not specified
Tensile Strength
850-1000 MPa
750-1000 MPa
Yield Strength
650-800 MPa
400-600 MPa
Elongation
12-18%
10-14 %
Hardness
240-300 HB
60-64 HRC
Typical Applications
AISI 5140
Used for gears, shafts, spindles, bolts, machinery parts, and automotive components.
Can AISI 5140 Be Substituted With UNI 11234 100Cr6?
AISI 5140 and UNI 11234 100Cr6 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 UNI 11234 100Cr6?
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 UNI 11234 100Cr6?
AISI 5140 and UNI 11234 100Cr6 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.