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AS41B Magnesium vs. Solder Alloy 116

AS41B magnesium belongs to the magnesium alloys classification, while solder alloy 116 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 AS41B magnesium and the bottom bar is solder alloy 116.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
26
Elongation at Break, % 6.0
18
Poisson's Ratio 0.29
0.42
Shear Modulus, GPa 18
9.3
Tensile Strength: Ultimate (UTS), MPa 210
34

Thermal Properties

Latent Heat of Fusion, J/g 370
34
Melting Completion (Liquidus), °C 620
260
Melting Onset (Solidus), °C 570
180
Specific Heat Capacity, J/kg-K 1000
160
Thermal Conductivity, W/m-K 68
41
Thermal Expansion, µm/m-K 26
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 92
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
90
Density, g/cm3 1.7
10
Embodied Carbon, kg CO2/kg material 23
7.2
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 980
690

Common Calculations

Stiffness to Weight: Axial, points 15
1.5
Stiffness to Weight: Bending, points 72
9.8
Strength to Weight: Axial, points 35
0.94
Strength to Weight: Bending, points 47
2.3
Thermal Diffusivity, mm2/s 41
26
Thermal Shock Resistance, points 13
3.4

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.020
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.0035
0 to 0.020
Lead (Pb), % 0
68.4 to 70.5
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
29.5 to 30.5
Zinc (Zn), % 0 to 0.12
0 to 0.0010