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AWS BVAg-31 vs. Class 4 Tungsten

Both AWS BVAg-31 and class 4 tungsten are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 13 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
270
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 33
110
Tensile Strength: Ultimate (UTS), MPa 180
790

Thermal Properties

Latent Heat of Fusion, J/g 150
170
Specific Heat Capacity, J/kg-K 280
130
Thermal Expansion, µm/m-K 18
4.5

Otherwise Unclassified Properties

Density, g/cm3 10
16

Common Calculations

Stiffness to Weight: Axial, points 4.9
9.6
Stiffness to Weight: Bending, points 15
14
Strength to Weight: Axial, points 4.9
14
Strength to Weight: Bending, points 7.0
12
Thermal Shock Resistance, points 7.8
46

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 31 to 33
0
Lead (Pb), % 0 to 0.0020
0
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 57 to 59
0
Tungsten (W), % 0
97
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
3.0