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Solder Alloy 103 vs. AWS BAu-1

Both solder alloy 103 and AWS BAu-1 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 (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 103 and the bottom bar is AWS BAu-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
110
Poisson's Ratio 0.39
0.37
Shear Modulus, GPa 13
40
Tensile Strength: Ultimate (UTS), MPa 52
210

Thermal Properties

Latent Heat of Fusion, J/g 45
150
Melting Completion (Liquidus), °C 190
1020
Melting Onset (Solidus), °C 180
990
Specific Heat Capacity, J/kg-K 180
290
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Stiffness to Weight: Axial, points 2.3
4.7
Stiffness to Weight: Bending, points 12
12
Strength to Weight: Axial, points 1.6
4.5
Strength to Weight: Bending, points 3.5
6.1
Thermal Shock Resistance, points 4.3
8.5

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
61.9 to 63
Gold (Au), % 0 to 0.050
37 to 38
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 38.8 to 40.5
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15