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AWS BAg-23 vs. Solder Alloy 121

Both AWS BAg-23 and solder alloy 121 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-23 and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
21
Poisson's Ratio 0.36
0.43
Shear Modulus, GPa 33
7.5
Tensile Strength: Ultimate (UTS), MPa 170
32

Thermal Properties

Latent Heat of Fusion, J/g 130
29
Melting Completion (Liquidus), °C 970
290
Melting Onset (Solidus), °C 960
230
Specific Heat Capacity, J/kg-K 270
140
Thermal Expansion, µm/m-K 20
28

Otherwise Unclassified Properties

Density, g/cm3 10
11

Common Calculations

Stiffness to Weight: Axial, points 5.0
1.1
Stiffness to Weight: Bending, points 15
8.6
Strength to Weight: Axial, points 4.7
0.84
Strength to Weight: Bending, points 6.8
2.1
Thermal Shock Resistance, points 6.8
3.9

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 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0
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
83.4 to 85.5
Manganese (Mn), % 13.9 to 16
0
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 84 to 86
0 to 0.1
Tin (Sn), % 0
14.5 to 15.5
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.15
0