M1A Magnesium vs. SAE-AISI 1015 Steel
M1A magnesium belongs to the magnesium alloys classification, while SAE-AISI 1015 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 M1A magnesium and the bottom bar is SAE-AISI 1015 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 5.5 | |
| 20 to 32 |
| Fatigue Strength, MPa | 88 | |
| 170 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 18 | |
| 73 |
| Shear Strength, MPa | 120 | |
| 260 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 390 to 440 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 210 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 400 |
| Melting Completion (Liquidus), °C | 610 | |
| 1470 |
| Melting Onset (Solidus), °C | 580 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 470 |
| Thermal Conductivity, W/m-K | 150 | |
| 52 |
| Thermal Expansion, µm/m-K | 26 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 6.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
| 7.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 1.8 |
| Density, g/cm3 | 1.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 1.4 |
| Embodied Energy, MJ/kg | 160 | |
| 18 |
| Embodied Water, L/kg | 970 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 83 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 120 to 360 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 71 | |
| 24 |
| Strength to Weight: Axial, points | 38 | |
| 14 to 15 |
| Strength to Weight: Bending, points | 49 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 88 | |
| 14 |
| Thermal Shock Resistance, points | 13 | |
| 12 to 14 |
Alloy Composition
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| Calcium (Ca), % | 0 to 0.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.13 to 0.18 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Iron (Fe), % | 0 | |
| 99.13 to 99.57 |
| Magnesium (Mg), % | 97.2 to 98.8 | |
| 0 |
| Manganese (Mn), % | 1.2 to 2.0 | |
| 0.3 to 0.6 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.3 | |
| 0 |