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Class 2 Tungsten vs. Solder Alloy 601

Both class 2 tungsten and solder alloy 601 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 19 material properties with values for both materials. Properties with values for just one material (9, 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 class 2 tungsten and the bottom bar is solder alloy 601.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
31
Elongation at Break, % 5.7
83
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 100
11
Tensile Strength: Ultimate (UTS), MPa 860
12

Thermal Properties

Latent Heat of Fusion, J/g 160
43
Specific Heat Capacity, J/kg-K 120
230
Thermal Conductivity, W/m-K 20
34
Thermal Expansion, µm/m-K 4.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
12
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
14

Otherwise Unclassified Properties

Density, g/cm3 15
7.3
Embodied Water, L/kg 140
1330

Common Calculations

Stiffness to Weight: Axial, points 9.6
2.3
Stiffness to Weight: Bending, points 14
14
Strength to Weight: Axial, points 16
0.45
Strength to Weight: Bending, points 13
1.6
Thermal Diffusivity, mm2/s 11
20
Thermal Shock Resistance, points 52
1.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
51 to 52.5
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
47.5 to 48.5
Tungsten (W), % 92.5
0
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 7.5
0