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Class 2 Tungsten vs. C18400 Copper

Class 2 tungsten belongs to the otherwise unclassified metals classification, while C18400 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
120
Elongation at Break, % 5.7
13 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 100
44
Tensile Strength: Ultimate (UTS), MPa 860
270 to 490
Tensile Strength: Yield (Proof), MPa 580
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Specific Heat Capacity, J/kg-K 120
390
Thermal Conductivity, W/m-K 20
320
Thermal Expansion, µm/m-K 4.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
80
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
81

Otherwise Unclassified Properties

Density, g/cm3 15
8.9
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 350
41
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 640
54 to 980
Stiffness to Weight: Axial, points 9.6
7.3
Stiffness to Weight: Bending, points 14
18
Strength to Weight: Axial, points 16
8.5 to 15
Strength to Weight: Bending, points 13
10 to 16
Thermal Diffusivity, mm2/s 11
94
Thermal Shock Resistance, points 52
9.6 to 17

Alloy Composition

Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0
97.2 to 99.6
Iron (Fe), % 0
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Tungsten (W), % 92.5
0
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.5