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Solder Alloy 123 vs. AWS BNi-2

Solder alloy 123 belongs to the otherwise unclassified metals classification, while AWS BNi-2 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 123 and the bottom bar is AWS BNi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
180
Poisson's Ratio 0.44
0.3
Shear Modulus, GPa 6.2
68
Tensile Strength: Ultimate (UTS), MPa 28
440

Thermal Properties

Latent Heat of Fusion, J/g 26
360
Melting Completion (Liquidus), °C 310
1000
Melting Onset (Solidus), °C 300
970
Specific Heat Capacity, J/kg-K 130
490
Thermal Expansion, µm/m-K 29
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
55
Density, g/cm3 11
8.2
Embodied Carbon, kg CO2/kg material 4.5
9.3
Embodied Energy, MJ/kg 74
130
Embodied Water, L/kg 500
230

Common Calculations

Stiffness to Weight: Axial, points 0.9
12
Stiffness to Weight: Bending, points 7.8
23
Strength to Weight: Axial, points 0.69
15
Strength to Weight: Bending, points 1.8
16
Thermal Shock Resistance, points 3.8
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.050
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
2.8 to 3.5
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
2.5 to 3.5
Lead (Pb), % 93.5 to 95.5
0
Nickel (Ni), % 0 to 0.010
79.1 to 84.8
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
4.0 to 5.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 4.5 to 5.5
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5