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Solder Alloy 161 vs. AWS BAu-5

Both solder alloy 161 and AWS BAu-5 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 161 and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
140
Poisson's Ratio 0.39
0.37
Shear Modulus, GPa 14
50
Tensile Strength: Ultimate (UTS), MPa 53
210

Thermal Properties

Latent Heat of Fusion, J/g 48
180
Melting Completion (Liquidus), °C 190
1170
Melting Onset (Solidus), °C 180
1140
Specific Heat Capacity, J/kg-K 190
280
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Stiffness to Weight: Axial, points 2.4
5.8
Stiffness to Weight: Bending, points 13
13
Strength to Weight: Axial, points 1.7
4.5
Strength to Weight: Bending, points 3.5
6.0
Thermal Shock Resistance, points 4.1
9.0

Alloy Composition

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), % 1.2 to 1.6
0
Gold (Au), % 0 to 0.050
29.5 to 30.5
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 37.3 to 39.3
0
Nickel (Ni), % 0 to 0.010
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
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