Post Stock Login Register

UNI 7846 18CrMo4 Steel — Specifications & Listings

UNI 784618CrMo4 is a chromium molybdenum carburizing steel with good hardenability and fatigue resistance. It is widely used for case hardened transmission components.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeUNI 7846 18CrMo4
StandardUNI 7846
Description18CrMo4 is a chromium molybdenum carburizing steel with good hardenability and fatigue resistance. It is widely used for case hardened transmission components.
ApplicationsUsed in gears, shafts, pinions, crankshafts, axles, and heavy machinery components.
Chemical Composition (%)
C Si Mn Cr Mo P S
0.15-0.21 0.15-0.40 0.60-0.90 0.90-1.20 0.15-0.30 0.035 max 0.035 max
Mechanical Properties
tensile_strength 700-900 MPa
yield_strength 540 MPa min
elongation 14% min
hardness 200-260 HB

Active UNI 7846 18CrMo4 Listings on M-EX

UNI 7846 18CrMo4 Round Bar
2.600 MT
View Listing
UNI 7846 18CrMo4 Round Bar
4.400 MT
View Listing