EN 1.7221 Steel vs. Nickel 200
EN 1.7221 steel belongs to the iron alloys classification, while nickel 200 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.7221 steel and the bottom bar is nickel 200.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 11 to 17 | |
| 23 to 44 |
| Fatigue Strength, MPa | 290 to 390 | |
| 120 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 70 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 780 | |
| 420 to 540 |
| Tensile Strength: Yield (Proof), MPa | 430 to 630 | |
| 120 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 900 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 44 | |
| 69 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 65 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 11 |
| Embodied Energy, MJ/kg | 20 | |
| 150 |
| Embodied Water, L/kg | 51 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 98 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 to 1050 | |
| 42 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 11 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 23 to 27 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 12 | |
| 17 |
| Thermal Shock Resistance, points | 19 to 23 | |
| 13 to 16 |
Alloy Composition
| Carbon (C), % | 0.22 to 0.29 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 96.8 to 98.3 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 99 to 100 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |