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AWS BVAg-18 vs. Type 2 Niobium

Both AWS BVAg-18 and Type 2 niobium are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
110
Poisson's Ratio 0.36
0.4
Shear Modulus, GPa 30
38
Tensile Strength: Ultimate (UTS), MPa 180
140

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Specific Heat Capacity, J/kg-K 280
270
Thermal Expansion, µm/m-K 19
7.3

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.6

Common Calculations

Stiffness to Weight: Axial, points 4.7
6.8
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 5.1
4.6
Strength to Weight: Bending, points 7.3
7.1
Thermal Shock Resistance, points 8.1
13

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.010
Copper (Cu), % 28.5 to 31.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0 to 0.0020
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.5 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 59 to 61
0
Tantalum (Ta), % 0
0 to 0.3
Tin (Sn), % 9.5 to 10.5
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.020