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Solder Alloy 104 vs. WE54A Magnesium

Solder alloy 104 belongs to the otherwise unclassified metals classification, while WE54A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is solder alloy 104 and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
44
Elongation at Break, % 46
4.3 to 5.6
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 13
17
Tensile Strength: Ultimate (UTS), MPa 51
270 to 300

Thermal Properties

Latent Heat of Fusion, J/g 45
330
Melting Completion (Liquidus), °C 190
640
Melting Onset (Solidus), °C 180
570
Specific Heat Capacity, J/kg-K 180
960
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 25
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 11
47

Otherwise Unclassified Properties

Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 10
29
Embodied Energy, MJ/kg 180
260
Embodied Water, L/kg 900
900

Common Calculations

Stiffness to Weight: Axial, points 2.3
13
Stiffness to Weight: Bending, points 12
62
Strength to Weight: Axial, points 1.6
39 to 43
Strength to Weight: Bending, points 3.4
49 to 51
Thermal Diffusivity, mm2/s 30
28
Thermal Shock Resistance, points 4.0
18 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
0 to 0.030
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 39 to 40.5
0
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0 to 0.010
0 to 0.0050
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0 to 0.0010
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3