ISO-WD32350 Magnesium vs. C84400 Valve Metal
ISO-WD32350 magnesium belongs to the magnesium alloys classification, while C84400 valve metal belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 ISO-WD32350 magnesium and the bottom bar is C84400 valve metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 100 |
| Elongation at Break, % | 5.7 to 10 | |
| 19 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 18 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 290 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 140 to 180 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 160 |
| Melting Completion (Liquidus), °C | 600 | |
| 1000 |
| Melting Onset (Solidus), °C | 560 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 370 |
| Thermal Conductivity, W/m-K | 130 | |
| 72 |
| Thermal Expansion, µm/m-K | 25 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 29 |
| Density, g/cm3 | 1.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 2.8 |
| Embodied Energy, MJ/kg | 160 | |
| 46 |
| Embodied Water, L/kg | 960 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 23 | |
| 36 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 380 | |
| 58 |
| Stiffness to Weight: Axial, points | 15 | |
| 6.6 |
| Stiffness to Weight: Bending, points | 68 | |
| 18 |
| Strength to Weight: Axial, points | 39 to 46 | |
| 7.2 |
| Strength to Weight: Bending, points | 50 to 55 | |
| 9.4 |
| Thermal Diffusivity, mm2/s | 73 | |
| 22 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 8.3 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.1 | |
| 78 to 82 |
| Iron (Fe), % | 0 to 0.060 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 | |
| 6.0 to 8.0 |
| Magnesium (Mg), % | 95.7 to 97.7 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 2.3 to 3.5 |
| Zinc (Zn), % | 1.8 to 2.3 | |
| 7.0 to 10 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.7 |