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AWS BVAu-4 vs. Solder Alloy 124

Both AWS BVAu-4 and solder alloy 124 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-4 and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
17
Poisson's Ratio 0.4
0.44
Shear Modulus, GPa 41
5.8
Tensile Strength: Ultimate (UTS), MPa 190
27

Thermal Properties

Latent Heat of Fusion, J/g 100
24
Melting Completion (Liquidus), °C 950
330
Melting Onset (Solidus), °C 950
320
Specific Heat Capacity, J/kg-K 190
130
Thermal Expansion, µm/m-K 14
29

Otherwise Unclassified Properties

Density, g/cm3 17
11

Common Calculations

Stiffness to Weight: Axial, points 3.6
0.83
Stiffness to Weight: Bending, points 9.3
7.6
Strength to Weight: Axial, points 3.0
0.65
Strength to Weight: Bending, points 4.2
1.8
Thermal Shock Resistance, points 8.7
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.12
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), % 0
0 to 0.080
Gold (Au), % 81.5 to 82.5
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.0020
97.2 to 98.2
Nickel (Ni), % 17.5 to 18.5
0 to 0.010
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.0010
0 to 0.0010