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ASTM B541 Gold vs. Class 2 Tungsten

Both ASTM B541 gold and class 2 tungsten are otherwise unclassified metals. There are 19 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 ASTM B541 gold and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
260
Elongation at Break, % 6.0 to 14
5.7
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 38
100
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
860
Tensile Strength: Yield (Proof), MPa 480 to 900
580

Thermal Properties

Latent Heat of Fusion, J/g 90
160
Specific Heat Capacity, J/kg-K 170
120
Thermal Expansion, µm/m-K 13
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
13
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
7.8

Otherwise Unclassified Properties

Density, g/cm3 17
15

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
44
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
640
Stiffness to Weight: Axial, points 3.4
9.6
Stiffness to Weight: Bending, points 9.0
14
Strength to Weight: Axial, points 11 to 19
16
Strength to Weight: Bending, points 9.8 to 14
13
Thermal Shock Resistance, points 36 to 63
52

Alloy Composition

Copper (Cu), % 13.5 to 15.5
0
Gold (Au), % 70.5 to 72.5
0
Platinum (Pt), % 8.0 to 9.0
0
Silver (Ag), % 4.0 to 5.0
0
Tungsten (W), % 0
92.5
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0
7.5