AZ31C Magnesium vs. EN 1.4062 Stainless Steel
AZ31C magnesium belongs to the magnesium alloys classification, while EN 1.4062 stainless steel belongs to the iron alloys. There are 30 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 AZ31C magnesium and the bottom bar is EN 1.4062 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 200 |
| Elongation at Break, % | 12 | |
| 23 to 34 |
| Fatigue Strength, MPa | 150 | |
| 410 to 420 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 17 | |
| 79 |
| Shear Strength, MPa | 130 | |
| 510 |
| Tensile Strength: Ultimate (UTS), MPa | 260 | |
| 770 to 800 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 530 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 1030 |
| Melting Completion (Liquidus), °C | 600 | |
| 1430 |
| Melting Onset (Solidus), °C | 550 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 480 |
| Thermal Conductivity, W/m-K | 130 | |
| 15 |
| Thermal Expansion, µm/m-K | 26 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 2.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 1.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 2.6 |
| Embodied Energy, MJ/kg | 160 | |
| 37 |
| Embodied Water, L/kg | 970 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 | |
| 170 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 | |
| 690 to 910 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 70 | |
| 25 |
| Strength to Weight: Axial, points | 42 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 53 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 74 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 | |
| 21 to 22 |
Alloy Composition
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| Aluminum (Al), % | 2.4 to 3.6 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 21.5 to 24 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 69.3 to 77.3 |
| Magnesium (Mg), % | 93.4 to 97 | |
| 0 |
| Manganese (Mn), % | 0.15 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.45 |
| Nickel (Ni), % | 0 to 0.030 | |
| 1.0 to 2.9 |
| Nitrogen (N), % | 0 | |
| 0.16 to 0.28 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 0.5 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |