UNS R30006 Co-Cr-W Alloy
Cobalt Alloys
Property Overview
Density8.6g/cm³
Elastic Modulus220GPa
Tensile Strength900MPa
Yield Strength540MPa
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.9 to 1.4%
CR
27 to 32%
NI
0 to 3.0%
MO
0 to 1.0%
SI
0 to 2.0%
CO
48.6 to 68.1%
W
4.0 to 6.0%
FE
0 to 3.0%
Mechanical
Compressive (Crushing) Strength
1520 MPa
Elastic (Young's, Tensile) Modulus
220 GPa
Elongation at Break
1.0 %
Fatigue Strength
260 MPa
Poisson's Ratio
0.28
Shear Modulus
85 GPa
Tensile Strength: Ultimate (UTS)
900 MPa
Tensile Strength: Yield (Proof)
540 MPa
Hardness
Rockwell C Hardness
40
Physical
Density
8.6 g/cm 3
Thermal
Latent Heat of Fusion
320 J/g
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1290 °C
Specific Heat Capacity
450 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
26 points
Electrical
Electrical Conductivity: Equal Volume
1.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.7 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
7.8 MJ/m 3
Resilience: Unit (Modulus of Resilience)
670 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
29 points
Strength to Weight: Bending
24 points
Environmental
Embodied Carbon
7.8 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 46 x 10 3 BTU/lb
Embodied Water
500 L/kg
Embodied Water
500 L/kg 60 gal/lb
Physical Other
Calomel Potential
-250 mV
Registered Designations & Aliases
R30006UNS R30006 Co-Cr-W Alloy