ZE41A Magnesium vs. SAE-AISI 1151 Steel
ZE41A magnesium belongs to the magnesium alloys classification, while SAE-AISI 1151 steel belongs to the iron alloys. There are 31 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 ZE41A magnesium and the bottom bar is SAE-AISI 1151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 63 | |
| 210 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 3.3 | |
| 11 to 17 |
| Fatigue Strength, MPa | 98 | |
| 260 to 410 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 18 | |
| 72 |
| Shear Strength, MPa | 150 | |
| 430 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 710 to 800 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 390 to 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 400 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 540 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 51 |
| Thermal Expansion, µm/m-K | 27 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 18 | |
| 1.8 |
| Density, g/cm3 | 1.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 1.4 |
| Embodied Energy, MJ/kg | 170 | |
| 18 |
| Embodied Water, L/kg | 940 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.1 | |
| 86 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 400 to 1170 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 63 | |
| 24 |
| Strength to Weight: Axial, points | 31 | |
| 25 to 28 |
| Strength to Weight: Bending, points | 41 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 59 | |
| 14 |
| Thermal Shock Resistance, points | 12 | |
| 22 to 25 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.48 to 0.55 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 98.3 to 98.7 |
| Magnesium (Mg), % | 91.7 to 95.4 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0.080 to 0.13 |
| Unspecified Rare Earths, % | 0.75 to 1.8 | |
| 0 |
| Zinc (Zn), % | 3.5 to 5.0 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |