SAE-AISI 4320 Steel vs. Type 2 Magnetic Alloy
Both SAE-AISI 4320 steel and Type 2 magnetic alloy are iron alloys. They have 53% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 4320 steel and the bottom bar is Type 2 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 to 29 | |
| 2.0 to 38 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 790 | |
| 510 to 910 |
| Tensile Strength: Yield (Proof), MPa | 430 to 460 | |
| 260 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 3.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 4.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 33 |
| Density, g/cm3 | 7.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 5.9 |
| Embodied Energy, MJ/kg | 22 | |
| 81 |
| Embodied Water, L/kg | 52 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 18 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 480 to 560 | |
| 170 to 2010 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 20 to 28 | |
| 17 to 30 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 17 to 25 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 16 to 29 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.22 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 95.8 to 97 | |
| 48.2 to 53 |
| Manganese (Mn), % | 0.45 to 0.65 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 to 0.3 |
| Nickel (Ni), % | 1.7 to 2.0 | |
| 47 to 49 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |