UNS R30001 Co-Cr-W Alloy
Cobalt Alloys
Property Overview
Density9g/cm³
Elastic Modulus220GPa
Tensile Strength620MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
2.0 to 3.0%
CR
28 to 32%
NI
0 to 3.0%
MO
0 to 1.0%
SI
0 to 2.0%
CO
43 to 59%
W
11 to 13%
FE
0 to 3.0%
Mechanical
Compressive (Crushing) Strength
1930 MPa
Elastic (Young's, Tensile) Modulus
220 GPa
Elongation at Break
1.0 %
Poisson's Ratio
0.28
Shear Modulus
86 GPa
Tensile Strength: Ultimate (UTS)
620 MPa
Hardness
Rockwell C Hardness
55
Physical
Density
9.0 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Melting Completion (Liquidus)
1530 °C
Melting Onset (Solidus)
1260 °C
Specific Heat Capacity
430 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.7 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
1.8 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.8 % IACS
Calculated
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
22 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
18 points
Environmental
Embodied Carbon
8.9 kg CO 2 /kg material
Embodied Energy
130 MJ/kg
Embodied Energy
130 MJ/kg 54 x 10 3 BTU/lb
Embodied Water
460 L/kg
Embodied Water
460 L/kg 55 gal/lb
Registered Designations & Aliases
R30001UNS R30001 Co-Cr-W Alloy