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AWS BAg-20 vs. Solder Alloy 142

Both AWS BAg-20 and solder alloy 142 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 (7, 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 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
33
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 35
12
Tensile Strength: Ultimate (UTS), MPa 160
43

Thermal Properties

Latent Heat of Fusion, J/g 150
42
Melting Completion (Liquidus), °C 770
210
Melting Onset (Solidus), °C 680
180
Specific Heat Capacity, J/kg-K 340
170
Thermal Expansion, µm/m-K 21
25

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.3
Embodied Carbon, kg CO2/kg material 30
9.4
Embodied Energy, MJ/kg 480
160

Common Calculations

Stiffness to Weight: Axial, points 6.0
2.0
Stiffness to Weight: Bending, points 17
11
Strength to Weight: Axial, points 5.1
1.3
Strength to Weight: Bending, points 7.6
2.9
Thermal Shock Resistance, points 5.9
3.7

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
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
47.4 to 50
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 29 to 31
0 to 0.1
Tin (Sn), % 0
47.5 to 48.5
Zinc (Zn), % 30 to 34
0 to 0.0010
Residuals, % 0 to 0.15
0