AWS E240 vs. ISO-WD32350 Magnesium
AWS E240 belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 AWS E240 and the bottom bar is ISO-WD32350 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 45 |
| Elongation at Break, % | 17 | |
| 5.7 to 10 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 250 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 340 |
| Melting Completion (Liquidus), °C | 1390 | |
| 600 |
| Melting Onset (Solidus), °C | 1350 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 990 |
| Thermal Conductivity, W/m-K | 15 | |
| 130 |
| Thermal Expansion, µm/m-K | 15 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 23 |
| Embodied Energy, MJ/kg | 42 | |
| 160 |
| Embodied Water, L/kg | 160 | |
| 960 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 68 |
| Strength to Weight: Axial, points | 28 | |
| 39 to 46 |
| Strength to Weight: Bending, points | 24 | |
| 50 to 55 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 73 |
| Thermal Shock Resistance, points | 19 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 0 to 0.75 | |
| 0 to 0.1 |
| Iron (Fe), % | 58.6 to 68.4 | |
| 0 to 0.060 |
| Magnesium (Mg), % | 0 | |
| 95.7 to 97.7 |
| Manganese (Mn), % | 10.5 to 13.5 | |
| 0.6 to 1.3 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0 to 0.0050 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 1.8 to 2.3 |
| Residuals, % | 0 | |
| 0 to 0.3 |