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CR018A Copper vs. Class 2 Tungsten

CR018A copper belongs to the copper alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR018A copper and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
260
Elongation at Break, % 15
5.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
100
Tensile Strength: Ultimate (UTS), MPa 220
860
Tensile Strength: Yield (Proof), MPa 130
580

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Specific Heat Capacity, J/kg-K 390
120
Thermal Conductivity, W/m-K 390
20
Thermal Expansion, µm/m-K 17
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
13
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.8

Otherwise Unclassified Properties

Density, g/cm3 9.0
15
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 42
350
Embodied Water, L/kg 360
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
44
Resilience: Unit (Modulus of Resilience), kJ/m3 76
640
Stiffness to Weight: Axial, points 7.2
9.6
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 6.8
16
Strength to Weight: Bending, points 9.0
13
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
52

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.914 to 99.94
0
Silver (Ag), % 0.060 to 0.080
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5