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AM60A Magnesium vs. Solder Alloy 702

AM60A magnesium belongs to the magnesium alloys classification, while solder alloy 702 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 AM60A magnesium and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
51
Elongation at Break, % 8.8
21
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 18
19
Tensile Strength: Ultimate (UTS), MPa 230
53

Thermal Properties

Latent Heat of Fusion, J/g 350
61
Melting Completion (Liquidus), °C 620
220
Melting Onset (Solidus), °C 550
220
Specific Heat Capacity, J/kg-K 1000
220
Thermal Conductivity, W/m-K 62
62
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
15
Electrical Conductivity: Equal Weight (Specific), % IACS 69
18

Otherwise Unclassified Properties

Density, g/cm3 1.7
7.4
Embodied Carbon, kg CO2/kg material 23
17
Embodied Energy, MJ/kg 160
290

Common Calculations

Stiffness to Weight: Axial, points 15
3.8
Stiffness to Weight: Bending, points 71
17
Strength to Weight: Axial, points 37
2.0
Strength to Weight: Bending, points 49
4.2
Thermal Diffusivity, mm2/s 37
38
Thermal Shock Resistance, points 14
3.4

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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 0.35
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
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
2.8 to 3.2
Tin (Sn), % 0
96.3 to 97.2
Zinc (Zn), % 0 to 0.22
0 to 0.0010