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M1A Magnesium vs. Solder Alloy 801

M1A magnesium belongs to the magnesium alloys classification, while solder alloy 801 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 M1A magnesium and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
53
Elongation at Break, % 5.5
33
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 18
20
Tensile Strength: Ultimate (UTS), MPa 230
55

Thermal Properties

Latent Heat of Fusion, J/g 350
64
Melting Completion (Liquidus), °C 610
200
Melting Onset (Solidus), °C 580
200
Specific Heat Capacity, J/kg-K 990
240
Thermal Conductivity, W/m-K 150
61
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
15
Electrical Conductivity: Equal Weight (Specific), % IACS 190
19

Otherwise Unclassified Properties

Density, g/cm3 1.7
7.2
Embodied Carbon, kg CO2/kg material 24
14
Embodied Energy, MJ/kg 160
240
Embodied Water, L/kg 970
1140

Common Calculations

Stiffness to Weight: Axial, points 15
4.1
Stiffness to Weight: Bending, points 71
17
Strength to Weight: Axial, points 38
2.1
Strength to Weight: Bending, points 49
4.4
Thermal Diffusivity, mm2/s 88
36
Thermal Shock Resistance, points 13
3.3

Alloy Composition

Aluminum (Al), % 0
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
Calcium (Ca), % 0 to 0.3
0
Copper (Cu), % 0 to 0.050
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), % 97.2 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
89.9 to 91.5
Zinc (Zn), % 0
8.5 to 9.5
Residuals, % 0 to 0.3
0