EN-MC65220 Magnesium vs. AWS E80C-B8
EN-MC65220 magnesium belongs to the magnesium alloys classification, while AWS E80C-B8 belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 AWS E80C-B8.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 44 | |
190 |
Elongation at Break, % | 2.2 | |
19 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 17 | |
75 |
Tensile Strength: Ultimate (UTS), MPa | 270 | |
620 |
Tensile Strength: Yield (Proof), MPa | 200 | |
540 |
Thermal Properties
Latent Heat of Fusion, J/g | 340 | |
270 |
Melting Completion (Liquidus), °C | 610 | |
1450 |
Melting Onset (Solidus), °C | 550 | |
1410 |
Specific Heat Capacity, J/kg-K | 980 | |
470 |
Thermal Conductivity, W/m-K | 110 | |
25 |
Thermal Expansion, µm/m-K | 26 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 25 | |
9.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
11 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 80 | |
6.5 |
Density, g/cm3 | 1.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 27 | |
2.1 |
Embodied Energy, MJ/kg | 210 | |
28 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 | |
740 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 62 | |
25 |
Strength to Weight: Axial, points | 40 | |
22 |
Strength to Weight: Bending, points | 49 | |
21 |
Thermal Diffusivity, mm2/s | 61 | |
6.9 |
Thermal Shock Resistance, points | 17 | |
17 |
Alloy Composition
Carbon (C), % | 0 | |
0 to 0.1 |
Chromium (Cr), % | 0 | |
8.0 to 10.5 |
Copper (Cu), % | 0.050 to 0.1 | |
0 to 0.35 |
Iron (Fe), % | 0 to 0.010 | |
85.5 to 90.6 |
Magnesium (Mg), % | 93.8 to 96.8 | |
0 |
Manganese (Mn), % | 0 to 0.15 | |
0.4 to 1.0 |
Molybdenum (Mo), % | 0 | |
0.8 to 1.2 |
Nickel (Ni), % | 0 to 0.0050 | |
0 to 0.2 |
Phosphorus (P), % | 0 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.010 | |
0.25 to 0.6 |
Silver (Ag), % | 1.3 to 1.7 | |
0 |
Sulfur (S), % | 0 | |
0 to 0.025 |
Unspecified Rare Earths, % | 1.5 to 3.0 | |
0 |
Vanadium (V), % | 0 | |
0 to 0.030 |
Zinc (Zn), % | 0 to 0.2 | |
0 |
Zirconium (Zr), % | 0.4 to 1.0 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |