UNS C71580 (CuNi30) Copper-Nickel
Other
Property Overview
Density8.9g/cm³
Elastic Modulus140GPa
Tensile Strength330MPa
Yield Strength110MPa
Brinell Hardness75HB
Maximum Service Temperature260°C
Chemical Composition
C
0 to 0.070%
NI
29 to 33%
MN
0 to 0.3%
CU
65.5 to 71%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
0 to 0.050%
FE
0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
140 GPa
Elongation at Break
40 %
Poisson's Ratio
0.33
Shear Modulus
51 GPa
Shear Strength
230 MPa
Tensile Strength: Ultimate (UTS)
330 MPa
Tensile Strength: Yield (Proof)
110 MPa
Hardness
Brinell Hardness
75
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
230 J/g
Maximum Temperature: Mechanical
260 °C
Melting Completion (Liquidus)
1180 °C
Melting Onset (Solidus)
1120 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
39 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
11 points
Electrical
Electrical Conductivity: Equal Volume
4.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
4.7 % IACS
Other
H
Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements
R
Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
47 kJ/m 3
Stiffness to Weight: Axial
8.5 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
10 points
Strength to Weight: Bending
12 points
Environmental
Base Metal Price
41 % relative
Embodied Carbon
5.1 kg CO 2 /kg material
Embodied Energy
74 MJ/kg
Embodied Energy
74 MJ/kg 32 x 10 3 BTU/lb
Embodied Water
280 L/kg
Embodied Water
280 L/kg 34 gal/lb
Registered Designations & Aliases
C71580CM390HCuNi30CuNi30UNS C71580 (CuNi30) Copper-Nickel
Standards
EN 1981 EN 1981: 2003 Copper and copper alloys. Master alloys