Type 2 Magnetic Alloy vs. S21904 Stainless Steel
Both Type 2 magnetic alloy and S21904 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is Type 2 magnetic alloy and the bottom bar is S21904 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 2.0 to 38 | |
| 17 to 51 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 910 | |
| 700 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 260 to 870 | |
| 390 to 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 290 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1400 |
| Melting Onset (Solidus), °C | 1370 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.9 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.2 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 15 |
| Density, g/cm3 | 8.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 5.9 | |
| 3.0 |
| Embodied Energy, MJ/kg | 81 | |
| 43 |
| Embodied Water, L/kg | 140 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 160 | |
| 160 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 2010 | |
| 380 to 2070 |
| Stiffness to Weight: Axial, points | 12 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 30 | |
| 25 to 36 |
| Strength to Weight: Bending, points | 17 to 25 | |
| 23 to 29 |
| Thermal Shock Resistance, points | 16 to 29 | |
| 15 to 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.040 |
| Chromium (Cr), % | 0 to 0.3 | |
| 19 to 21.5 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 48.2 to 53 | |
| 59.5 to 67.4 |
| Manganese (Mn), % | 0 to 0.8 | |
| 8.0 to 10 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 47 to 49 | |
| 5.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.4 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |