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Solder Alloy 124 vs. AWS BVAu-2

Both solder alloy 124 and AWS BVAu-2 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-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
100
Poisson's Ratio 0.44
0.4
Shear Modulus, GPa 5.8
36
Tensile Strength: Ultimate (UTS), MPa 27
150

Thermal Properties

Latent Heat of Fusion, J/g 24
92
Melting Completion (Liquidus), °C 330
890
Melting Onset (Solidus), °C 320
890
Specific Heat Capacity, J/kg-K 130
180
Thermal Expansion, µm/m-K 29
15

Otherwise Unclassified Properties

Density, g/cm3 11
17

Common Calculations

Stiffness to Weight: Axial, points 0.83
3.3
Stiffness to Weight: Bending, points 7.6
9.1
Strength to Weight: Axial, points 0.65
2.4
Strength to Weight: Bending, points 1.8
3.6
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
19.5 to 20.5
Gold (Au), % 0 to 0.050
79.5 to 80.5
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
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