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AWS BAg-21 vs. Solder Alloy 123

Both AWS BAg-21 and solder alloy 123 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 16 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 AWS BAg-21 and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
18
Poisson's Ratio 0.36
0.44
Shear Modulus, GPa 31
6.2
Tensile Strength: Ultimate (UTS), MPa 150
28

Thermal Properties

Latent Heat of Fusion, J/g 140
26
Melting Completion (Liquidus), °C 800
310
Melting Onset (Solidus), °C 690
300
Specific Heat Capacity, J/kg-K 280
130
Thermal Expansion, µm/m-K 19
29

Otherwise Unclassified Properties

Density, g/cm3 9.8
11
Embodied Energy, MJ/kg 970
74

Common Calculations

Stiffness to Weight: Axial, points 4.8
0.9
Stiffness to Weight: Bending, points 15
7.8
Strength to Weight: Axial, points 4.2
0.69
Strength to Weight: Bending, points 6.4
1.8
Thermal Shock Resistance, points 6.6
3.8

Alloy Composition


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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), % 27.5 to 29.5
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), % 2.0 to 3.0
0 to 0.010
Silver (Ag), % 62 to 64
0 to 0.1
Tin (Sn), % 5.0 to 7.0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.15
0