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Solder Alloy 801 vs. ISO-WD32350 Magnesium

Solder alloy 801 belongs to the otherwise unclassified metals classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. 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 solder alloy 801 and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
45
Elongation at Break, % 33
5.7 to 10
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 20
18
Tensile Strength: Ultimate (UTS), MPa 55
250 to 290

Thermal Properties

Latent Heat of Fusion, J/g 64
340
Melting Completion (Liquidus), °C 200
600
Melting Onset (Solidus), °C 200
560
Specific Heat Capacity, J/kg-K 240
990
Thermal Conductivity, W/m-K 61
130
Thermal Expansion, µm/m-K 22
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 19
130

Otherwise Unclassified Properties

Density, g/cm3 7.2
1.7
Embodied Carbon, kg CO2/kg material 14
23
Embodied Energy, MJ/kg 240
160
Embodied Water, L/kg 1140
960

Common Calculations

Stiffness to Weight: Axial, points 4.1
15
Stiffness to Weight: Bending, points 17
68
Strength to Weight: Axial, points 2.1
39 to 46
Strength to Weight: Bending, points 4.4
50 to 55
Thermal Diffusivity, mm2/s 36
73
Thermal Shock Resistance, points 3.3
16 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.1
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.060
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0
0.6 to 1.3
Nickel (Ni), % 0 to 0.010
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 89.9 to 91.5
0
Zinc (Zn), % 8.5 to 9.5
1.8 to 2.3
Residuals, % 0
0 to 0.3