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R05400 Tantalum vs. Type 2 Pewter

Both R05400 tantalum and Type 2 pewter are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, 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 R05400 tantalum and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
52
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 69
19
Tensile Strength: Ultimate (UTS), MPa 210 to 540
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 140
69
Specific Heat Capacity, J/kg-K 140
220
Thermal Expansion, µm/m-K 6.5
21

Otherwise Unclassified Properties

Density, g/cm3 17
7.3
Embodied Water, L/kg 650
1220

Common Calculations

Stiffness to Weight: Axial, points 6.2
3.9
Stiffness to Weight: Bending, points 11
17
Strength to Weight: Axial, points 3.6 to 9.0
2.0 to 2.6
Strength to Weight: Bending, points 4.8 to 8.8
4.3 to 5.1
Thermal Shock Resistance, points 13 to 32
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
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
Tantalum (Ta), % 99.7 to 100
0
Tin (Sn), % 0
90 to 93
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0050

Comparable Variants