WE43B Magnesium vs. C99400 Brass
WE43B magnesium belongs to the magnesium alloys classification, while C99400 brass belongs to the copper alloys. There are 24 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 WE43B magnesium and the bottom bar is C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 120 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 17 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 460 to 550 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 230 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 1070 |
| Melting Onset (Solidus), °C | 550 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 400 |
| Thermal Expansion, µm/m-K | 27 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 30 |
| Density, g/cm3 | 1.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 2.8 |
| Embodied Energy, MJ/kg | 250 | |
| 45 |
| Embodied Water, L/kg | 910 | |
| 310 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 | |
| 230 to 590 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 61 | |
| 19 |
| Strength to Weight: Axial, points | 36 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 46 | |
| 15 to 17 |
| Thermal Shock Resistance, points | 15 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.5 to 2.0 |
| Copper (Cu), % | 0 to 0.020 | |
| 83.5 to 96.5 |
| Iron (Fe), % | 0 to 0.010 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.25 |
| Lithium (Li), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 89.8 to 93.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 1.0 to 3.5 |
| Silicon (Si), % | 0 | |
| 0.5 to 2.0 |
| Unspecified Rare Earths, % | 2.4 to 4.4 | |
| 0 |
| Yttrium (Y), % | 3.7 to 4.3 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0.5 to 5.0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.3 |