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AWS BAg-21 vs. Class 3 Tungsten

Both AWS BAg-21 and class 3 tungsten are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 14 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is class 3 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
270
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
100
Tensile Strength: Ultimate (UTS), MPa 150
830

Thermal Properties

Latent Heat of Fusion, J/g 140
170
Specific Heat Capacity, J/kg-K 280
120
Thermal Expansion, µm/m-K 19
4.5

Otherwise Unclassified Properties

Density, g/cm3 9.8
15
Embodied Energy, MJ/kg 970
360

Common Calculations

Stiffness to Weight: Axial, points 4.8
9.6
Stiffness to Weight: Bending, points 15
14
Strength to Weight: Axial, points 4.2
15
Strength to Weight: Bending, points 6.4
13
Thermal Shock Resistance, points 6.6
49

Alloy Composition

Copper (Cu), % 27.5 to 29.5
0
Nickel (Ni), % 2.0 to 3.0
0
Silver (Ag), % 62 to 64
0
Tin (Sn), % 5.0 to 7.0
0
Tungsten (W), % 0
95
Residuals, % 0 to 0.15
5.0