UNS C71000 Copper-Nickel
Nickel Alloys
O61 (annealed)
Property Overview
Density8.9g/cm³
Elastic Modulus130GPa
Tensile Strength340MPa
Yield Strength120MPa
Brinell Hardness73HB
Maximum Service Temperature240°C
Chemical Composition
NI
19 to 23%
MN
0 to 1.0%
CU
73.5 to 80.5%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
0 to 1.0%
FE
0.5 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
130 GPa
Elongation at Break
39 %
Poisson's Ratio
0.33
Shear Modulus
49 GPa
Shear Strength
230 MPa
Tensile Strength: Ultimate (UTS)
340 MPa
Tensile Strength: Yield (Proof)
120 MPa
Hardness
Brinell Hardness
73
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
230 J/g
Maximum Temperature: Mechanical
240 °C
Melting Completion (Liquidus)
1200 °C
Melting Onset (Solidus)
1150 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
43 W/m-K
Thermal Diffusivity
12 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
6.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
6.6 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
53 kJ/m 3
Stiffness to Weight: Axial
8.2 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
11 points
Strength to Weight: Bending
12 points
Environmental
Base Metal Price
37 % relative
Embodied Carbon
4.3 kg CO 2 /kg material
Embodied Energy
63 MJ/kg
Embodied Energy
63 MJ/kg 27 x 10 3 BTU/lb
Embodied Water
290 L/kg
Embodied Water
290 L/kg 35 gal/lb
Registered Designations & Aliases
C71000UNS C71000 Copper-Nickel
Standards
ASTM B111 ASTM B111: Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
ASTM B111 ASTM B111: Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock ASTM B122: Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar
ASTM B122 ASTM B122: Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar