EN 1.3553 (X82WMoCrV6-5-4) High-Temperature Bearing Steel
Alloy Steels
Property Overview
Density8.4g/cm³
Elastic Modulus200GPa
Tensile Strength720MPa
Yield StrengthUnknown
Brinell Hardness220HB
Maximum Service Temperature540°C
Chemical Composition
C
0.78 to 0.86%
CR
3.9 to 4.3%
MO
4.7 to 5.2%
MN
0 to 0.4%
SI
0 to 0.4%
P
0 to 0.025%
S
0 to 0.015%
CU
0 to 0.3%
V
1.7 to 2.0%
W
6.0 to 6.7%
FE
80.7 to 83.7%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.29
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
720 MPa
Hardness
Brinell Hardness
220
Physical
Density
8.4 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
540 °C
Melting Completion (Liquidus)
1620 °C
Melting Onset (Solidus)
1570 °C
Specific Heat Capacity
440 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.4 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
10 % IACS
Electrical Conductivity: Equal Weight (Specific)
11 % IACS
Calculated
PREN (Pitting Resistance)
31
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
8.5 kg CO 2 /kg material
Embodied Energy
130 MJ/kg
Embodied Energy
130 MJ/kg 54 x 10 3 BTU/lb
Embodied Water
96 L/kg
Embodied Water
96 L/kg 11 gal/lb
Registered Designations & Aliases
1.3553EN 1.3553 (X82WMoCrV6-5-4) High-Temperature Bearing SteelX82WMoCrV6-5-4
Standards
ISO 683-17 ISO 683-17: Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels
ISO 683-17 ISO 683-17: Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels Steels: Processing, Structure, and Performance, 2nd ed., George Krauss, 2015