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Solder Alloy 102 vs. M1A Magnesium

Solder alloy 102 belongs to the otherwise unclassified metals classification, while M1A magnesium belongs to the magnesium alloys. 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 solder alloy 102 and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
45
Elongation at Break, % 48
5.5
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
18
Tensile Strength: Ultimate (UTS), MPa 31
230

Thermal Properties

Latent Heat of Fusion, J/g 46
350
Melting Completion (Liquidus), °C 180
610
Melting Onset (Solidus), °C 180
580
Specific Heat Capacity, J/kg-K 190
990
Thermal Conductivity, W/m-K 53
150
Thermal Expansion, µm/m-K 25
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
35
Electrical Conductivity: Equal Weight (Specific), % IACS 13
190

Otherwise Unclassified Properties

Density, g/cm3 8.8
1.7
Embodied Carbon, kg CO2/kg material 11
24
Embodied Energy, MJ/kg 180
160
Embodied Water, L/kg 930
970

Common Calculations

Stiffness to Weight: Axial, points 2.4
15
Stiffness to Weight: Bending, points 13
71
Strength to Weight: Axial, points 1.0
38
Strength to Weight: Bending, points 2.5
49
Thermal Diffusivity, mm2/s 32
88
Thermal Shock Resistance, points 2.4
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 0 to 0.080
0 to 0.050
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 36 to 37.5
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0
1.2 to 2.0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.3