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R05200 Tantalum vs. Solder Alloy 301

Both R05200 tantalum and solder alloy 301 are otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R05200 tantalum and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
40
Elongation at Break, % 1.1 to 28
51
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
15
Tensile Strength: Ultimate (UTS), MPa 210 to 540
55
Tensile Strength: Yield (Proof), MPa 140 to 390
49

Thermal Properties

Latent Heat of Fusion, J/g 140
55
Specific Heat Capacity, J/kg-K 140
160
Thermal Conductivity, W/m-K 59
19
Thermal Expansion, µm/m-K 6.5
14

Otherwise Unclassified Properties

Density, g/cm3 17
8.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
27
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
30
Stiffness to Weight: Axial, points 6.2
2.5
Stiffness to Weight: Bending, points 11
13
Strength to Weight: Axial, points 3.6 to 9.0
1.8
Strength to Weight: Bending, points 4.8 to 8.8
3.7
Thermal Diffusivity, mm2/s 25
13
Thermal Shock Resistance, points 13 to 32
7.2

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
56.5 to 59
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0 to 0.050
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
0 to 0.070
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 0.015
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.1
Tantalum (Ta), % 99.8 to 100
0
Tin (Sn), % 0
41 to 43
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0010