UNS C70400 Copper-Nickel
Nickel Alloys
O61 (annealed)
Property Overview
Density8.9g/cm³
Elastic Modulus120GPa
Tensile Strength300MPa
Yield Strength95MPa
Brinell HardnessUnknown
Maximum Service Temperature210°C
Chemical Composition
NI
4.8 to 6.2%
MN
0.3 to 0.8%
CU
89.8 to 93.6%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
0 to 1.0%
FE
1.3 to 1.7%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Poisson's Ratio
0.34
Shear Modulus
45 GPa
Tensile Strength: Ultimate (UTS)
300 MPa
Tensile Strength: Yield (Proof)
95 MPa
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
210 J/g
Maximum Temperature: Mechanical
210 °C
Melting Completion (Liquidus)
1120 °C
Melting Onset (Solidus)
1060 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
64 W/m-K
Thermal Diffusivity
18 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
10 points
Electrical
Electrical Conductivity: Equal Volume
14 % IACS
Electrical Conductivity: Equal Weight (Specific)
14 % IACS
Calculated
Resilience: Unit (Modulus of Resilience)
38 kJ/m 3
Stiffness to Weight: Axial
7.5 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
9.3 points
Strength to Weight: Bending
11 points
Environmental
Base Metal Price
32 % relative
Embodied Carbon
3.0 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
300 L/kg
Embodied Water
300 L/kg 36 gal/lb
Registered Designations & Aliases
C70400UNS C70400 Copper-Nickel
Standards
ASTM B111 ASTM B111: Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock