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AM60A Magnesium vs. Solder Alloy 123

AM60A magnesium belongs to the magnesium alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 AM60A magnesium and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
8.0
Elastic (Young's, Tensile) Modulus, GPa 45
18
Elongation at Break, % 8.8
45
Poisson's Ratio 0.29
0.44
Shear Modulus, GPa 18
6.2
Tensile Strength: Ultimate (UTS), MPa 230
28

Thermal Properties

Latent Heat of Fusion, J/g 350
26
Melting Completion (Liquidus), °C 620
310
Melting Onset (Solidus), °C 550
300
Specific Heat Capacity, J/kg-K 1000
130
Thermal Conductivity, W/m-K 62
23
Thermal Expansion, µm/m-K 26
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 69
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.7
11
Embodied Carbon, kg CO2/kg material 23
4.5
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 990
500

Common Calculations

Stiffness to Weight: Axial, points 15
0.9
Stiffness to Weight: Bending, points 71
7.8
Strength to Weight: Axial, points 37
0.69
Strength to Weight: Bending, points 49
1.8
Thermal Diffusivity, mm2/s 37
16
Thermal Shock Resistance, points 14
3.8

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.35
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0
Nickel (Ni), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0 to 0.22
0 to 0.0010