WE43A Magnesium vs. WE43B Magnesium
Both WE43A magnesium and WE43B magnesium are magnesium alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is WE43A magnesium and the bottom bar is WE43B magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 44 |
| Elongation at Break, % | 5.2 to 5.4 | |
| 2.2 |
| Fatigue Strength, MPa | 85 to 120 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 17 | |
| 17 |
| Shear Strength, MPa | 160 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 270 | |
| 250 |
| Tensile Strength: Yield (Proof), MPa | 160 to 170 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 550 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.6 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 960 |
| Thermal Conductivity, W/m-K | 51 | |
| 51 |
| Thermal Expansion, µm/m-K | 27 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 55 | |
| 53 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 34 |
| Density, g/cm3 | 1.9 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 28 |
| Embodied Energy, MJ/kg | 250 | |
| 250 |
| Embodied Water, L/kg | 910 | |
| 910 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 5.2 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 310 | |
| 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 61 | |
| 61 |
| Strength to Weight: Axial, points | 36 to 39 | |
| 36 |
| Strength to Weight: Bending, points | 46 to 48 | |
| 46 |
| Thermal Diffusivity, mm2/s | 28 | |
| 28 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 15 |
Alloy Composition
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.010 |
| Lithium (Li), % | 0 to 0.2 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 89.5 to 93.5 | |
| 89.8 to 93.5 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 |
| Unspecified Rare Earths, % | 2.4 to 4.4 | |
| 2.4 to 4.4 |
| Yttrium (Y), % | 3.7 to 4.3 | |
| 3.7 to 4.3 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.3 | |
| 0 |