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Class 1 Tungsten vs. C71500 Copper-nickel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while C71500 copper-nickel belongs to the copper alloys. 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 class 1 tungsten and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Copper (Cu), % 0
63.5 to 70.6
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
29 to 33
Tungsten (W), % 90
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5