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AWS BAg-20 vs. Solder Alloy 123

Both AWS BAg-20 and solder alloy 123 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-20 and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
18
Poisson's Ratio 0.32
0.44
Shear Modulus, GPa 35
6.2
Tensile Strength: Ultimate (UTS), MPa 160
28

Thermal Properties

Latent Heat of Fusion, J/g 150
26
Melting Completion (Liquidus), °C 770
310
Melting Onset (Solidus), °C 680
300
Specific Heat Capacity, J/kg-K 340
130
Thermal Expansion, µm/m-K 21
29

Otherwise Unclassified Properties

Density, g/cm3 8.6
11
Embodied Carbon, kg CO2/kg material 30
4.5
Embodied Energy, MJ/kg 480
74

Common Calculations

Stiffness to Weight: Axial, points 6.0
0.9
Stiffness to Weight: Bending, points 17
7.8
Strength to Weight: Axial, points 5.1
0.69
Strength to Weight: Bending, points 7.6
1.8
Thermal Shock Resistance, points 5.9
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 37 to 39
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 29 to 31
0 to 0.1
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 30 to 34
0 to 0.0010
Residuals, % 0 to 0.15
0