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Solder Alloy 503 vs. ZK60A Magnesium

Solder alloy 503 belongs to the otherwise unclassified metals classification, while ZK60A magnesium belongs to the magnesium alloys. There are 22 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 503 and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
46
Elongation at Break, % 30
4.5 to 9.9
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 20
18
Tensile Strength: Ultimate (UTS), MPa 57
320 to 330

Thermal Properties

Latent Heat of Fusion, J/g 69
330
Melting Completion (Liquidus), °C 380
600
Melting Onset (Solidus), °C 220
550
Specific Heat Capacity, J/kg-K 230
960
Thermal Conductivity, W/m-K 61
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 17
140

Otherwise Unclassified Properties

Density, g/cm3 7.5
1.9
Embodied Carbon, kg CO2/kg material 16
23
Embodied Energy, MJ/kg 270
160

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 17
63
Strength to Weight: Axial, points 2.1
47 to 49
Strength to Weight: Bending, points 4.4
55 to 56
Thermal Diffusivity, mm2/s 35
66
Thermal Shock Resistance, points 3.5
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 5.5 to 6.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
92.5 to 94.8
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 90.8 to 92.7
0
Zinc (Zn), % 0 to 0.0010
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3