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R05400 Tantalum vs. Class 1 Tungsten

Both R05400 tantalum and class 1 tungsten are otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
250
Elongation at Break, % 1.1 to 28
5.7
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
98
Tensile Strength: Ultimate (UTS), MPa 210 to 540
860
Tensile Strength: Yield (Proof), MPa 140 to 390
580

Thermal Properties

Latent Heat of Fusion, J/g 140
160
Specific Heat Capacity, J/kg-K 140
120
Thermal Conductivity, W/m-K 59
21
Thermal Expansion, µm/m-K 6.5
5.1

Otherwise Unclassified Properties

Density, g/cm3 17
15
Embodied Water, L/kg 650
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
44
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
660
Stiffness to Weight: Axial, points 6.2
9.6
Stiffness to Weight: Bending, points 11
14
Strength to Weight: Axial, points 3.6 to 9.0
16
Strength to Weight: Bending, points 4.8 to 8.8
14
Thermal Diffusivity, mm2/s 25
12
Thermal Shock Resistance, points 13 to 32
48

Alloy Composition


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Carbon (C), % 0 to 0.010
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
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
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
90
Residuals, % 0
10