SAE-AISI 1330 Steel vs. ZK61A Magnesium
SAE-AISI 1330 steel belongs to the iron alloys classification, while ZK61A magnesium belongs to the magnesium 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 SAE-AISI 1330 steel and the bottom bar is ZK61A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 46 |
| Elongation at Break, % | 11 to 23 | |
| 5.8 to 7.1 |
| Fatigue Strength, MPa | 210 to 380 | |
| 120 to 140 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 18 |
| Shear Strength, MPa | 330 to 430 | |
| 170 to 180 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 710 | |
| 290 to 310 |
| Tensile Strength: Yield (Proof), MPa | 290 to 610 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 640 |
| Melting Onset (Solidus), °C | 1410 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 960 |
| Thermal Conductivity, W/m-K | 51 | |
| 120 |
| Thermal Expansion, µm/m-K | 12 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 23 |
| Embodied Energy, MJ/kg | 19 | |
| 160 |
| Embodied Water, L/kg | 48 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 76 to 100 | |
| 15 to 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 990 | |
| 370 to 420 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 62 |
| Strength to Weight: Axial, points | 19 to 25 | |
| 42 to 45 |
| Strength to Weight: Bending, points | 18 to 23 | |
| 50 to 53 |
| Thermal Diffusivity, mm2/s | 14 | |
| 65 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 17 to 18 |
Alloy Composition
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| Carbon (C), % | 0.28 to 0.33 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 97.3 to 98 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 92.1 to 93.9 |
| 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 |
| Zinc (Zn), % | 0 | |
| 5.5 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.6 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |