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R05400 Tantalum vs. ASTM B541 Gold

Both R05400 tantalum and ASTM B541 gold are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 1.1 to 28
6.0 to 14
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 69
38
Tensile Strength: Ultimate (UTS), MPa 210 to 540
670 to 1180
Tensile Strength: Yield (Proof), MPa 140 to 390
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 140
90
Specific Heat Capacity, J/kg-K 140
170
Thermal Expansion, µm/m-K 6.5
13

Otherwise Unclassified Properties

Density, g/cm3 17
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
1090 to 3830
Stiffness to Weight: Axial, points 6.2
3.4
Stiffness to Weight: Bending, points 11
9.0
Strength to Weight: Axial, points 3.6 to 9.0
11 to 19
Strength to Weight: Bending, points 4.8 to 8.8
9.8 to 14
Thermal Shock Resistance, points 13 to 32
36 to 63

Alloy Composition


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Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
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
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
4.0 to 5.0
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0.7 to 1.3
Residuals, % 0
0 to 0.4

Comparable Variants