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EN-MC21310 Magnesium vs. Solder Alloy 102

EN-MC21310 magnesium belongs to the magnesium alloys classification, while solder alloy 102 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 EN-MC21310 magnesium and the bottom bar is solder alloy 102.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
38
Elongation at Break, % 9.0
48
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 17
14
Tensile Strength: Ultimate (UTS), MPa 200
31

Thermal Properties

Latent Heat of Fusion, J/g 360
46
Melting Completion (Liquidus), °C 600
180
Melting Onset (Solidus), °C 560
180
Specific Heat Capacity, J/kg-K 1000
190
Thermal Conductivity, W/m-K 89
53
Thermal Expansion, µm/m-K 26
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
13

Otherwise Unclassified Properties

Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 23
11
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 970
930

Common Calculations

Stiffness to Weight: Axial, points 15
2.4
Stiffness to Weight: Bending, points 73
13
Strength to Weight: Axial, points 34
1.0
Strength to Weight: Bending, points 47
2.5
Thermal Diffusivity, mm2/s 55
32
Thermal Shock Resistance, points 12
2.4

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.010
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.0050
0 to 0.020
Lead (Pb), % 0
36 to 37.5
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0.7 to 1.2
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Residuals, % 0 to 0.010
0