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Solder Alloy 715 vs. Class 1 Tungsten

Both solder alloy 715 and class 1 tungsten are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is solder alloy 715 and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
250
Elongation at Break, % 21
5.7
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
98
Tensile Strength: Ultimate (UTS), MPa 30
860

Thermal Properties

Latent Heat of Fusion, J/g 61
160
Specific Heat Capacity, J/kg-K 220
120
Thermal Conductivity, W/m-K 60
21
Thermal Expansion, µm/m-K 22
5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
12
Electrical Conductivity: Equal Weight (Specific), % IACS 15
7.4

Otherwise Unclassified Properties

Density, g/cm3 7.3
15
Embodied Carbon, kg CO2/kg material 16
22
Embodied Energy, MJ/kg 270
340

Common Calculations

Stiffness to Weight: Axial, points 3.8
9.6
Stiffness to Weight: Bending, points 17
14
Strength to Weight: Axial, points 1.1
16
Strength to Weight: Bending, points 2.9
14
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 1.9
48

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 97.4 to 98.7
0
Tungsten (W), % 0
90
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
10