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Solder Alloy 713 vs. ZK61A Magnesium

Solder alloy 713 belongs to the otherwise unclassified metals classification, while ZK61A magnesium belongs to the magnesium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 713 and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
46
Elongation at Break, % 16
5.8 to 7.1
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
18
Tensile Strength: Ultimate (UTS), MPa 59
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 62
330
Melting Completion (Liquidus), °C 220
640
Melting Onset (Solidus), °C 220
530
Specific Heat Capacity, J/kg-K 220
960
Thermal Conductivity, W/m-K 60
120
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
29
Electrical Conductivity: Equal Weight (Specific), % IACS 16
130

Otherwise Unclassified Properties

Density, g/cm3 7.4
1.9
Embodied Carbon, kg CO2/kg material 18
23
Embodied Energy, MJ/kg 300
160

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
62
Strength to Weight: Axial, points 2.2
42 to 45
Strength to Weight: Bending, points 4.5
50 to 53
Thermal Diffusivity, mm2/s 36
65
Thermal Shock Resistance, points 3.7
17 to 18

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 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0.5 to 0.9
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
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
92.1 to 93.9
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 3.6 to 4.0
0
Tin (Sn), % 94.6 to 95.9
0
Zinc (Zn), % 0 to 0.0010
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3