EN-MC21320 Magnesium vs. SAE-AISI 1095 Steel
EN-MC21320 magnesium belongs to the magnesium alloys classification, while SAE-AISI 1095 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 EN-MC21320 magnesium and the bottom bar is SAE-AISI 1095 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 68 | |
| 200 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 7.5 | |
| 10 to 11 |
| Fatigue Strength, MPa | 95 | |
| 310 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 18 | |
| 72 |
| Shear Strength, MPa | 130 | |
| 400 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 680 to 900 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 500 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 400 |
| Melting Completion (Liquidus), °C | 600 | |
| 1450 |
| Melting Onset (Solidus), °C | 530 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 470 |
| Thermal Conductivity, W/m-K | 66 | |
| 47 |
| Thermal Expansion, µm/m-K | 26 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 9.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 1.8 |
| Density, g/cm3 | 1.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 1.4 |
| Embodied Energy, MJ/kg | 160 | |
| 19 |
| Embodied Water, L/kg | 980 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 | |
| 63 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 660 to 930 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 72 | |
| 24 |
| Strength to Weight: Axial, points | 38 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 50 | |
| 22 to 26 |
| Thermal Diffusivity, mm2/s | 40 | |
| 13 |
| Thermal Shock Resistance, points | 13 | |
| 22 to 29 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.9 to 1.0 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 98.4 to 98.8 |
| Magnesium (Mg), % | 92.5 to 95.9 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |