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AWS BVAu-2 vs. Solder Alloy 137

Both AWS BVAu-2 and solder alloy 137 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 (10, 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 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
24
Poisson's Ratio 0.4
0.42
Shear Modulus, GPa 36
8.3
Tensile Strength: Ultimate (UTS), MPa 150
34

Thermal Properties

Latent Heat of Fusion, J/g 92
33
Melting Completion (Liquidus), °C 890
270
Melting Onset (Solidus), °C 890
190
Specific Heat Capacity, J/kg-K 180
150
Thermal Expansion, µm/m-K 15
27

Otherwise Unclassified Properties

Density, g/cm3 17
10

Common Calculations

Stiffness to Weight: Axial, points 3.3
1.3
Stiffness to Weight: Bending, points 9.1
9.2
Strength to Weight: Axial, points 2.4
0.9
Strength to Weight: Bending, points 3.6
2.2
Thermal Shock Resistance, points 7.1
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 3.0
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0010
0 to 0.0050
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
75.9 to 80
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
19.5 to 20.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010