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Class 2 Tungsten vs. ASTM B541 Gold

Both class 2 tungsten and ASTM B541 gold 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 class 2 tungsten and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 15
17

Common Calculations

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

Alloy Composition

Copper (Cu), % 0
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Platinum (Pt), % 0
8.0 to 9.0
Silver (Ag), % 0
4.0 to 5.0
Tungsten (W), % 92.5
0
Zinc (Zn), % 0
0.7 to 1.3
Residuals, % 0
0 to 0.4