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AWS BVAu-4 vs. Type 3 Niobium

Both AWS BVAu-4 and Type 3 niobium are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-4 and the bottom bar is Type 3 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.4
0.4
Shear Modulus, GPa 41
38
Tensile Strength: Ultimate (UTS), MPa 190
220

Thermal Properties

Latent Heat of Fusion, J/g 100
310
Specific Heat Capacity, J/kg-K 190
270
Thermal Expansion, µm/m-K 14
7.3

Otherwise Unclassified Properties

Density, g/cm3 17
8.6

Common Calculations

Stiffness to Weight: Axial, points 3.6
6.8
Stiffness to Weight: Bending, points 9.3
18
Strength to Weight: Axial, points 3.0
7.2
Strength to Weight: Bending, points 4.2
9.5
Thermal Shock Resistance, points 8.7
21

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.010
Gold (Au), % 81.5 to 82.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.0050
Lead (Pb), % 0 to 0.0020
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 17.5 to 18.5
0 to 0.0050
Niobium (Nb), % 0
98.6 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0.8 to 1.2