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Class 4 Tungsten vs. Solder Alloy 103

Both class 4 tungsten and solder alloy 103 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is class 4 tungsten and the bottom bar is solder alloy 103.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
37
Elongation at Break, % 2.3
47
Poisson's Ratio 0.28
0.39
Shear Modulus, GPa 110
13
Tensile Strength: Ultimate (UTS), MPa 790
52

Thermal Properties

Latent Heat of Fusion, J/g 170
45
Specific Heat Capacity, J/kg-K 130
180
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 4.5
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
12

Otherwise Unclassified Properties

Density, g/cm3 16
8.9
Embodied Carbon, kg CO2/kg material 24
10
Embodied Energy, MJ/kg 360
180
Embodied Water, L/kg 150
910

Common Calculations

Stiffness to Weight: Axial, points 9.6
2.3
Stiffness to Weight: Bending, points 14
12
Strength to Weight: Axial, points 14
1.6
Strength to Weight: Bending, points 12
3.5
Thermal Diffusivity, mm2/s 15
30
Thermal Shock Resistance, points 46
4.3

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
38.8 to 40.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Tungsten (W), % 97
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 3.0
0