AZ61A Magnesium vs. EN 1.4525 Stainless Steel
AZ61A magnesium belongs to the magnesium alloys classification, while EN 1.4525 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4525 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 11 | |
| 5.6 to 13 |
| Fatigue Strength, MPa | 130 | |
| 480 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 1030 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 840 to 1120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 860 |
| Melting Completion (Liquidus), °C | 600 | |
| 1430 |
| Melting Onset (Solidus), °C | 530 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 480 |
| Thermal Conductivity, W/m-K | 79 | |
| 18 |
| Thermal Expansion, µm/m-K | 27 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 62 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 13 |
| Density, g/cm3 | 1.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 2.8 |
| Embodied Energy, MJ/kg | 160 | |
| 39 |
| Embodied Water, L/kg | 980 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 | |
| 68 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 | |
| 1820 to 3230 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 25 |
| Strength to Weight: Axial, points | 46 | |
| 36 to 45 |
| Strength to Weight: Bending, points | 56 | |
| 29 to 33 |
| Thermal Diffusivity, mm2/s | 47 | |
| 4.7 |
| Thermal Shock Resistance, points | 17 | |
| 34 to 41 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 7.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.050 | |
| 2.5 to 4.0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 70.4 to 79 |
| Magnesium (Mg), % | 90.3 to 93.9 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.8 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Zinc (Zn), % | 0.4 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |