SAE-AISI 1345 Steel vs. ZE63A Magnesium
SAE-AISI 1345 steel belongs to the iron alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 31 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 SAE-AISI 1345 steel and the bottom bar is ZE63A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 210 | |
| 73 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 46 |
| Elongation at Break, % | 11 to 23 | |
| 7.7 |
| Fatigue Strength, MPa | 230 to 390 | |
| 120 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 17 |
| Shear Strength, MPa | 370 to 440 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 730 | |
| 300 |
| Tensile Strength: Yield (Proof), MPa | 330 to 620 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 170 |
| Melting Completion (Liquidus), °C | 1450 | |
| 510 |
| Melting Onset (Solidus), °C | 1410 | |
| 390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 950 |
| Thermal Conductivity, W/m-K | 51 | |
| 110 |
| Thermal Expansion, µm/m-K | 12 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 22 |
| Density, g/cm3 | 7.8 | |
| 2.0 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 24 |
| Embodied Energy, MJ/kg | 19 | |
| 180 |
| Embodied Water, L/kg | 48 | |
| 920 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 120 | |
| 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 1040 | |
| 400 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 58 |
| Strength to Weight: Axial, points | 21 to 26 | |
| 40 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 48 |
| Thermal Diffusivity, mm2/s | 14 | |
| 57 |
| Thermal Shock Resistance, points | 19 to 23 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0.43 to 0.48 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 97.2 to 97.8 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 89.6 to 92 |
| Manganese (Mn), % | 1.6 to 1.9 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.1 to 3.0 |
| Zinc (Zn), % | 0 | |
| 5.5 to 6.0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |