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AWS BVAu-2 vs. Solder Alloy 131

Both AWS BVAu-2 and solder alloy 131 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 AWS BVAu-2 and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
38
Poisson's Ratio 0.4
0.39
Shear Modulus, GPa 36
14
Tensile Strength: Ultimate (UTS), MPa 150
31

Thermal Properties

Latent Heat of Fusion, J/g 92
46
Melting Completion (Liquidus), °C 890
180
Melting Onset (Solidus), °C 890
180
Specific Heat Capacity, J/kg-K 180
190
Thermal Expansion, µm/m-K 15
25

Otherwise Unclassified Properties

Density, g/cm3 17
8.8

Common Calculations

Stiffness to Weight: Axial, points 3.3
2.4
Stiffness to Weight: Bending, points 9.1
13
Strength to Weight: Axial, points 2.4
1.0
Strength to Weight: Bending, points 3.6
2.5
Thermal Shock Resistance, points 7.1
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.2 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0010
0 to 0.0020
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 19.5 to 20.5
0 to 0.080
Gold (Au), % 79.5 to 80.5
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.0020
35.5 to 37.3
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010