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C71500 Copper-nickel vs. Class 1 Tungsten

C71500 copper-nickel belongs to the copper alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
98
Tensile Strength: Ultimate (UTS), MPa 380 to 620
860

Thermal Properties

Latent Heat of Fusion, J/g 230
160
Specific Heat Capacity, J/kg-K 400
120
Thermal Conductivity, W/m-K 28
21
Thermal Expansion, µm/m-K 16
5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
12
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
7.4

Otherwise Unclassified Properties

Density, g/cm3 8.9
15
Embodied Carbon, kg CO2/kg material 5.1
22
Embodied Energy, MJ/kg 74
340
Embodied Water, L/kg 280
140

Common Calculations

Stiffness to Weight: Axial, points 8.6
9.6
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 12 to 19
16
Strength to Weight: Bending, points 13 to 18
14
Thermal Diffusivity, mm2/s 7.7
12
Thermal Shock Resistance, points 12 to 20
48

Alloy Composition

Copper (Cu), % 63.5 to 70.6
0
Iron (Fe), % 0.4 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
0
Tungsten (W), % 0
90
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
10