UNS C68100 (RBCuZn-C) Filler Metal
Copper Alloys
Property Overview
Density7.9g/cm³
Elastic Modulus100GPa
Tensile Strength380MPa
Yield Strength140MPa
Brinell HardnessUnknown
Maximum Service Temperature120°C
Chemical Composition
MN
0.010 to 0.5%
SI
0.040 to 0.15%
CU
56 to 60%
AL
0 to 0.010%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SN
0.75 to 1.1%
ZN
36.4 to 43%
FE
0.25 to 1.3%
Mechanical
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
29 %
Poisson's Ratio
0.3
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
380 MPa
Tensile Strength: Yield (Proof)
140 MPa
Physical
Density
7.9 g/cm 3
Thermal
Brazing Temperature
910 to 950 °C
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
120 °C
Melting Completion (Liquidus)
890 °C
Melting Onset (Solidus)
870 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
98 W/m-K
Thermal Diffusivity
32 mm 2 /s
Thermal Expansion
21 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
24 % IACS
Electrical Conductivity: Equal Weight (Specific)
27 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
86 MJ/m 3
Resilience: Unit (Modulus of Resilience)
94 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
13 points
Strength to Weight: Bending
15 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
330 L/kg
Embodied Water
330 L/kg 39 gal/lb
Registered Designations & Aliases
C68100RBCuZn-CUNS C68100 (RBCuZn-C) Filler Metal