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EN-MC21310 Magnesium vs. Solder Alloy 191

EN-MC21310 magnesium belongs to the magnesium alloys classification, while solder alloy 191 belongs to the otherwise unclassified metals. There are 22 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 EN-MC21310 magnesium and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
19
Elongation at Break, % 9.0
32
Poisson's Ratio 0.29
0.43
Shear Modulus, GPa 17
6.5
Tensile Strength: Ultimate (UTS), MPa 200
29

Thermal Properties

Latent Heat of Fusion, J/g 360
27
Melting Completion (Liquidus), °C 600
300
Melting Onset (Solidus), °C 560
300
Specific Heat Capacity, J/kg-K 1000
130
Thermal Conductivity, W/m-K 89
24
Thermal Expansion, µm/m-K 26
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.2

Otherwise Unclassified Properties

Density, g/cm3 1.6
11
Embodied Carbon, kg CO2/kg material 23
5.8
Embodied Energy, MJ/kg 160
95

Common Calculations

Stiffness to Weight: Axial, points 15
0.93
Stiffness to Weight: Bending, points 73
8.0
Strength to Weight: Axial, points 34
0.72
Strength to Weight: Bending, points 47
1.9
Thermal Diffusivity, mm2/s 55
16
Thermal Shock Resistance, points 12
3.9

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
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
92.4 to 94
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
1.2 to 1.8
Tin (Sn), % 0
4.8 to 5.2
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Residuals, % 0 to 0.010
0