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Solder Alloy 123 vs. Type 4 Niobium

Both solder alloy 123 and Type 4 niobium are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 123 and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 8.0
120
Elastic (Young's, Tensile) Modulus, GPa 18
110
Elongation at Break, % 45
23
Poisson's Ratio 0.44
0.4
Shear Modulus, GPa 6.2
38
Tensile Strength: Ultimate (UTS), MPa 28
220

Thermal Properties

Latent Heat of Fusion, J/g 26
310
Specific Heat Capacity, J/kg-K 130
270
Thermal Conductivity, W/m-K 23
42
Thermal Expansion, µm/m-K 29
7.3

Otherwise Unclassified Properties

Density, g/cm3 11
8.6
Embodied Water, L/kg 500
160

Common Calculations

Stiffness to Weight: Axial, points 0.9
6.8
Stiffness to Weight: Bending, points 7.8
18
Strength to Weight: Axial, points 0.69
7.2
Strength to Weight: Bending, points 1.8
9.5
Thermal Diffusivity, mm2/s 16
18
Thermal Shock Resistance, points 3.8
21

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 93.5 to 95.5
0
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
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), % 0 to 0.1
0
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 4.5 to 5.5
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0.8 to 1.2