AWS BCo-1 (R39001) Filler Metal
Cobalt Alloys
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength700MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.35 to 0.45%
CR
18 to 20%
NI
16 to 18%
SI
7.5 to 8.5%
P
0 to 0.020%
S
0 to 0.020%
TI
0 to 0.050%
AL
0 to 0.050%
CO
46 to 54%
W
3.5 to 4.5%
B
0.7 to 0.9%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SE
0 to 0.0050%
ZR
0 to 0.050%
FE
0 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.3
Shear Modulus
78 GPa
Tensile Strength: Ultimate (UTS)
700 MPa
Physical
Density
8.1 g/cm 3
Thermal
Brazing Temperature
1150 to 1230 °C
Latent Heat of Fusion
420 J/g
Melting Completion (Liquidus)
1150 °C
Melting Onset (Solidus)
1120 °C
Specific Heat Capacity
480 J/kg-K
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
21 points
Calculated
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Embodied Carbon
8.0 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 48 x 10 3 BTU/lb
Embodied Water
430 L/kg
Embodied Water
430 L/kg 51 gal/lb
Registered Designations & Aliases
AWS BCo-1 (R39001) Filler MetalR39001