UNS C82400 (Alloy 165C) Beryllium Copper
Copper Alloys
as-fabricated (no
Property Overview
Density8.8g/cm³
Elastic Modulus120GPa
Tensile Strength500MPa
Yield Strength260MPa
Brinell HardnessUnknown
Maximum Service Temperature270°C
Chemical Composition
CR
0 to 0.1%
NI
0 to 0.2%
CU
96 to 98.2%
TI
0 to 0.12%
AL
0 to 0.15%
CO
0.2 to 0.65%
BE
1.6 to 1.9%
PB
0 to 0.020%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SN
0 to 0.1%
ZN
0 to 0.1%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
20 %
Poisson's Ratio
0.33
Shear Modulus
45 GPa
Tensile Strength: Ultimate (UTS)
500 MPa
Tensile Strength: Yield (Proof)
260 MPa
Hardness
Rockwell B Hardness
78
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
230 J/g
Maximum Temperature: Mechanical
270 °C
Melting Completion (Liquidus)
1000 °C
Melting Onset (Solidus)
900 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
130 W/m-K
Thermal Diffusivity
39 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
25 % IACS
Electrical Conductivity: Equal Weight (Specific)
26 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
83 MJ/m 3
Resilience: Unit (Modulus of Resilience)
270 kJ/m 3
Stiffness to Weight: Axial
7.6 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
16 points
Environmental
Embodied Carbon
8.9 kg CO 2 /kg material
Embodied Energy
140 MJ/kg
Embodied Energy
140 MJ/kg 60 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
Alloy 165CC82400UNS C82400 (Alloy 165C) Beryllium Copper