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AWS BAg-20 vs. Solder Alloy 811

Both AWS BAg-20 and solder alloy 811 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 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
52
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 35
19
Tensile Strength: Ultimate (UTS), MPa 160
53

Thermal Properties

Latent Heat of Fusion, J/g 150
63
Melting Completion (Liquidus), °C 770
200
Melting Onset (Solidus), °C 680
190
Specific Heat Capacity, J/kg-K 340
230
Thermal Expansion, µm/m-K 21
22

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.3
Embodied Carbon, kg CO2/kg material 30
14
Embodied Energy, MJ/kg 480
240

Common Calculations

Stiffness to Weight: Axial, points 6.0
4.0
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 5.1
2.0
Strength to Weight: Bending, points 7.6
4.3
Thermal Shock Resistance, points 5.9
3.3

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 37 to 39
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 29 to 31
0 to 0.1
Tin (Sn), % 0
87.8 to 89.7
Zinc (Zn), % 30 to 34
7.5 to 8.5
Residuals, % 0 to 0.15
0