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AWS BAu-1 vs. R05400 Tantalum

Both AWS BAu-1 and R05400 tantalum are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-1 and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 40
69
Tensile Strength: Ultimate (UTS), MPa 210
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 150
140
Specific Heat Capacity, J/kg-K 290
140
Thermal Expansion, µm/m-K 16
6.5

Otherwise Unclassified Properties

Density, g/cm3 13
17

Common Calculations

Stiffness to Weight: Axial, points 4.7
6.2
Stiffness to Weight: Bending, points 12
11
Strength to Weight: Axial, points 4.5
3.6 to 9.0
Strength to Weight: Bending, points 6.1
4.8 to 8.8
Thermal Shock Resistance, points 8.5
13 to 32

Alloy Composition


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Carbon (C), % 0
0 to 0.010
Copper (Cu), % 61.9 to 63
0
Gold (Au), % 37 to 38
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.15
0