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Solder Alloy 124 vs. AWS BVAu-8

Both solder alloy 124 and AWS BVAu-8 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 solder alloy 124 and the bottom bar is AWS BVAu-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
100
Poisson's Ratio 0.44
0.42
Shear Modulus, GPa 5.8
36
Tensile Strength: Ultimate (UTS), MPa 27
140

Thermal Properties

Latent Heat of Fusion, J/g 24
71
Melting Completion (Liquidus), °C 330
1240
Melting Onset (Solidus), °C 320
1200
Specific Heat Capacity, J/kg-K 130
140
Thermal Expansion, µm/m-K 29
14

Otherwise Unclassified Properties

Density, g/cm3 11
19

Common Calculations

Stiffness to Weight: Axial, points 0.83
3.0
Stiffness to Weight: Bending, points 7.6
8.3
Strength to Weight: Axial, points 0.65
2.1
Strength to Weight: Bending, points 1.8
3.2
Thermal Shock Resistance, points 3.9
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
91 to 93
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 97.2 to 98.2
0 to 0.0020
Nickel (Ni), % 0 to 0.010
0
Palladium (Pd), % 0
7.0 to 9.0
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010