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EN-MC65220 Magnesium vs. Solder Alloy 301

EN-MC65220 magnesium belongs to the magnesium alloys classification, while solder alloy 301 belongs to the otherwise unclassified metals. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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 EN-MC65220 magnesium and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
23
Elastic (Young's, Tensile) Modulus, GPa 44
40
Elongation at Break, % 2.2
51
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
15
Tensile Strength: Ultimate (UTS), MPa 270
55
Tensile Strength: Yield (Proof), MPa 200
49

Thermal Properties

Latent Heat of Fusion, J/g 340
55
Melting Completion (Liquidus), °C 610
140
Melting Onset (Solidus), °C 550
140
Specific Heat Capacity, J/kg-K 980
160
Thermal Conductivity, W/m-K 110
19
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
4.9

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 27
13
Embodied Energy, MJ/kg 210
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
27
Resilience: Unit (Modulus of Resilience), kJ/m3 450
30
Stiffness to Weight: Axial, points 13
2.5
Stiffness to Weight: Bending, points 62
13
Strength to Weight: Axial, points 40
1.8
Strength to Weight: Bending, points 49
3.7
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 17
7.2

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
56.5 to 59
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0.050 to 0.1
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 0.010
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0 to 0.1
Tin (Sn), % 0
41 to 43
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0