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AWS BAg-7 vs. Solder Alloy 122

Both AWS BAg-7 and solder alloy 122 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-7 and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
20
Poisson's Ratio 0.34
0.43
Shear Modulus, GPa 31
6.9
Tensile Strength: Ultimate (UTS), MPa 150
30

Thermal Properties

Latent Heat of Fusion, J/g 130
27
Melting Completion (Liquidus), °C 650
300
Melting Onset (Solidus), °C 620
270
Specific Heat Capacity, J/kg-K 290
140
Thermal Expansion, µm/m-K 20
28

Otherwise Unclassified Properties

Density, g/cm3 9.3
11
Embodied Carbon, kg CO2/kg material 55
5.0
Embodied Energy, MJ/kg 860
84

Common Calculations

Stiffness to Weight: Axial, points 4.9
1.0
Stiffness to Weight: Bending, points 16
8.2
Strength to Weight: Axial, points 4.5
0.77
Strength to Weight: Bending, points 6.7
2.0
Thermal Shock Resistance, points 6.4
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), % 21 to 23
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
88.4 to 90.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 55 to 57
0 to 0.1
Tin (Sn), % 4.5 to 5.5
9.5 to 10.5
Zinc (Zn), % 15 to 19
0 to 0.0010
Residuals, % 0 to 0.15
0