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AWS BVAu-7 vs. Solder Alloy 124

Both AWS BVAu-7 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-7 and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
17
Poisson's Ratio 0.38
0.44
Shear Modulus, GPa 45
5.8
Tensile Strength: Ultimate (UTS), MPa 200
27

Thermal Properties

Latent Heat of Fusion, J/g 140
24
Melting Completion (Liquidus), °C 1120
330
Melting Onset (Solidus), °C 1100
320
Specific Heat Capacity, J/kg-K 240
130
Thermal Expansion, µm/m-K 13
29

Otherwise Unclassified Properties

Density, g/cm3 15
11

Common Calculations

Stiffness to Weight: Axial, points 4.7
0.83
Stiffness to Weight: Bending, points 11
7.6
Strength to Weight: Axial, points 3.7
0.65
Strength to Weight: Bending, points 5.1
1.8
Thermal Shock Resistance, points 8.9
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
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 49.5 to 50.5
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), % 24.5 to 25.5
0 to 0.010
Palladium (Pd), % 23.9 to 26
0
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