AZ61A Magnesium vs. EN 1.1133 Steel
AZ61A magnesium belongs to the magnesium alloys classification, while EN 1.1133 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 AZ61A magnesium and the bottom bar is EN 1.1133 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 11 | |
| 19 to 24 |
| Fatigue Strength, MPa | 130 | |
| 230 to 310 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 17 | |
| 73 |
| Shear Strength, MPa | 150 | |
| 370 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 580 to 620 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 320 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 400 |
| Melting Completion (Liquidus), °C | 600 | |
| 1460 |
| Melting Onset (Solidus), °C | 530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 470 |
| Thermal Conductivity, W/m-K | 79 | |
| 49 |
| Thermal Expansion, µm/m-K | 27 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 62 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 2.1 |
| Density, g/cm3 | 1.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 1.5 |
| Embodied Energy, MJ/kg | 160 | |
| 19 |
| Embodied Water, L/kg | 980 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 | |
| 270 to 550 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 69 | |
| 24 |
| Strength to Weight: Axial, points | 46 | |
| 21 to 22 |
| Strength to Weight: Bending, points | 56 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 47 | |
| 13 |
| Thermal Shock Resistance, points | 17 | |
| 18 to 19 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 7.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 96.9 to 98.8 |
| Magnesium (Mg), % | 90.3 to 93.9 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.5 | |
| 1.0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Zinc (Zn), % | 0.4 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |