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R05400 Tantalum vs. Solder Alloy 122

Both R05400 tantalum and solder alloy 122 are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
20
Elongation at Break, % 1.1 to 28
30
Poisson's Ratio 0.34
0.43
Shear Modulus, GPa 69
6.9
Tensile Strength: Ultimate (UTS), MPa 210 to 540
30

Thermal Properties

Latent Heat of Fusion, J/g 140
27
Specific Heat Capacity, J/kg-K 140
140
Thermal Conductivity, W/m-K 59
25
Thermal Expansion, µm/m-K 6.5
28

Otherwise Unclassified Properties

Density, g/cm3 17
11
Embodied Water, L/kg 650
540

Common Calculations

Stiffness to Weight: Axial, points 6.2
1.0
Stiffness to Weight: Bending, points 11
8.2
Strength to Weight: Axial, points 3.6 to 9.0
0.77
Strength to Weight: Bending, points 4.8 to 8.8
2.0
Thermal Diffusivity, mm2/s 25
17
Thermal Shock Resistance, points 13 to 32
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0015
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.020
Lead (Pb), % 0
88.4 to 90.5
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.1
Tantalum (Ta), % 99.7 to 100
0
Tin (Sn), % 0
9.5 to 10.5
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0010