EN 1.3539 (100CrMnMoSi8-4-6) Through-Hardening Bearing Steel
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength670MPa
Yield StrengthUnknown
Brinell Hardness200HB
Maximum Service Temperature450°C
Chemical Composition
C
0.93 to 1.1%
CR
1.8 to 2.1%
MO
0.5 to 0.6%
MN
0.8 to 1.1%
SI
0.4 to 0.6%
P
0 to 0.025%
S
0 to 0.030%
CU
0 to 0.3%
AL
0 to 0.050%
O
0 to 0.0015%
FE
95.2 to 96.5%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
670 MPa
Hardness
Brinell Hardness
200
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
450 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
39 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
7.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
PREN (Pitting Resistance)
3.8
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
3.2 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.5 x 10 3 BTU/lb
Embodied Water
57 L/kg
Embodied Water
57 L/kg 6.8 gal/lb
Registered Designations & Aliases
1.3539100CrMnMoSi8-4-6EN 1.3539 (100CrMnMoSi8-4-6) Through-Hardening Bearing Steel
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 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005