UNS C64800 Cobalt-Silicon Bronze
Bronze
Property Overview
Density8.9g/cm³
Elastic Modulus120GPa
Tensile Strength640MPa
Yield Strength630MPa
Brinell HardnessUnknown
Maximum Service Temperature200°C
Chemical Composition
CR
0 to 0.090%
NI
0 to 0.5%
SI
0.2 to 1.0%
P
0 to 0.5%
CU
92.4 to 98.8%
CO
1.0 to 3.0%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SN
0 to 0.5%
ZN
0 to 0.5%
FE
0 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
8.0 %
Poisson's Ratio
0.34
Shear Modulus
44 GPa
Shear Strength
380 MPa
Tensile Strength: Ultimate (UTS)
640 MPa
Tensile Strength: Yield (Proof)
630 MPa
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
220 J/g
Maximum Temperature: Mechanical
200 °C
Melting Completion (Liquidus)
1090 °C
Melting Onset (Solidus)
1030 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
260 W/m-K
Thermal Diffusivity
75 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
23 points
Electrical
Electrical Conductivity: Equal Volume
65 % IACS
Electrical Conductivity: Equal Weight (Specific)
66 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
51 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1680 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
43 MJ/kg
Embodied Energy
43 MJ/kg 18 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C64800UNS C64800 Cobalt-Silicon Bronze