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ISO-WD32250 Magnesium vs. Solder Alloy 104

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while solder alloy 104 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 ISO-WD32250 magnesium and the bottom bar is solder alloy 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
37
Elongation at Break, % 4.5 to 8.6
46
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 17
13
Tensile Strength: Ultimate (UTS), MPa 310 to 330
51

Thermal Properties

Latent Heat of Fusion, J/g 340
45
Melting Completion (Liquidus), °C 600
190
Melting Onset (Solidus), °C 550
180
Specific Heat Capacity, J/kg-K 980
180
Thermal Conductivity, W/m-K 130
50
Thermal Expansion, µm/m-K 26
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 130
11

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.9
Embodied Carbon, kg CO2/kg material 24
10
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 950
900

Common Calculations

Stiffness to Weight: Axial, points 14
2.3
Stiffness to Weight: Bending, points 67
12
Strength to Weight: Axial, points 49 to 51
1.6
Strength to Weight: Bending, points 58 to 60
3.4
Thermal Diffusivity, mm2/s 72
30
Thermal Shock Resistance, points 19 to 20
4.0

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0
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
39 to 40.5
Magnesium (Mg), % 94.9 to 97.1
0
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 2.5 to 4.0
0 to 0.0010
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0