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AWS BAg-37 vs. Type 4 Niobium

Both AWS BAg-37 and Type 4 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 BAg-37 and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
110
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 36
38
Tensile Strength: Ultimate (UTS), MPa 180
220

Thermal Properties

Latent Heat of Fusion, J/g 150
310
Specific Heat Capacity, J/kg-K 350
270
Thermal Expansion, µm/m-K 21
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.6

Common Calculations

Stiffness to Weight: Axial, points 6.1
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 5.9
7.2
Strength to Weight: Bending, points 8.3
9.5
Thermal Shock Resistance, points 6.6
21

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 39 to 41
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 24 to 26
0
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 31 to 35
0
Zirconium (Zr), % 0
0.8 to 1.2
Residuals, % 0 to 0.15
0