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Type 2 Niobium vs. AWS BAg-13a

Both Type 2 niobium and AWS BAg-13a 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 Type 2 niobium and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Poisson's Ratio 0.4
0.36
Shear Modulus, GPa 38
34
Tensile Strength: Ultimate (UTS), MPa 140
180

Thermal Properties

Latent Heat of Fusion, J/g 320
160
Specific Heat Capacity, J/kg-K 270
300
Thermal Expansion, µm/m-K 7.3
19

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.8

Common Calculations

Stiffness to Weight: Axial, points 6.8
5.2
Stiffness to Weight: Bending, points 18
15
Strength to Weight: Axial, points 4.6
5.1
Strength to Weight: Bending, points 7.1
7.2
Thermal Shock Resistance, points 13
7.5

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
40.4 to 43.5
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.0050
1.5 to 2.5
Niobium (Nb), % 99.5 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
55 to 57
Tantalum (Ta), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.15