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AM60B Magnesium vs. Solder Alloy 171

AM60B magnesium belongs to the magnesium alloys classification, while solder alloy 171 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 AM60B magnesium and the bottom bar is solder alloy 171.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
16
Elastic (Young's, Tensile) Modulus, GPa 45
38
Elongation at Break, % 11
45
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 17
14
Tensile Strength: Ultimate (UTS), MPa 230
48

Thermal Properties

Latent Heat of Fusion, J/g 350
47
Melting Completion (Liquidus), °C 620
180
Melting Onset (Solidus), °C 540
180
Specific Heat Capacity, J/kg-K 1000
190
Thermal Conductivity, W/m-K 61
50
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
12
Electrical Conductivity: Equal Weight (Specific), % IACS 72
12

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 23
13
Embodied Energy, MJ/kg 160
210

Common Calculations

Stiffness to Weight: Axial, points 15
2.4
Stiffness to Weight: Bending, points 71
13
Strength to Weight: Axial, points 38
1.5
Strength to Weight: Bending, points 50
3.3
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 14
3.7

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
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
34.7 to 36.7
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
1.8 to 2.2
Tin (Sn), % 0
61.5 to 62.5
Zinc (Zn), % 0 to 0.22
0 to 0.0010