QE22A Magnesium vs. C38000 Brass
QE22A magnesium belongs to the magnesium alloys classification, while C38000 brass belongs to the copper alloys. There are 25 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 QE22A magnesium and the bottom bar is C38000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 100 |
| Elongation at Break, % | 2.4 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 17 | |
| 39 |
| Shear Strength, MPa | 150 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 110 |
| Melting Completion (Liquidus), °C | 640 | |
| 800 |
| Melting Onset (Solidus), °C | 570 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 380 |
| Thermal Conductivity, W/m-K | 110 | |
| 110 |
| Thermal Expansion, µm/m-K | 27 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 2.7 |
| Embodied Energy, MJ/kg | 220 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
| 50 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 74 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 60 | |
| 19 |
| Strength to Weight: Axial, points | 36 | |
| 13 |
| Strength to Weight: Bending, points | 46 | |
| 14 |
| Thermal Diffusivity, mm2/s | 59 | |
| 37 |
| Thermal Shock Resistance, points | 15 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 to 0.1 | |
| 55 to 60 |
| Iron (Fe), % | 0 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Magnesium (Mg), % | 93.1 to 95.8 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silver (Ag), % | 2.0 to 3.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Unspecified Rare Earths, % | 1.8 to 2.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 35.9 to 43.5 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |