S35000 Stainless Steel vs. EN 1.7221 Steel
Both S35000 stainless steel and EN 1.7221 steel are iron alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is S35000 stainless steel and the bottom bar is EN 1.7221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 2.3 to 14 | |
| 11 to 17 |
| Fatigue Strength, MPa | 380 to 520 | |
| 290 to 390 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1300 to 1570 | |
| 650 to 780 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1160 | |
| 430 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 420 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 44 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 2.4 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 44 | |
| 20 |
| Embodied Water, L/kg | 130 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 170 | |
| 83 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1070 to 3360 | |
| 490 to 1050 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 46 to 56 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 34 to 38 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 12 |
| Thermal Shock Resistance, points | 42 to 51 | |
| 19 to 23 |
Alloy Composition
| Carbon (C), % | 0.070 to 0.11 | |
| 0.22 to 0.29 |
| Chromium (Cr), % | 16 to 17 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 72.7 to 76.9 | |
| 96.8 to 98.3 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 2.5 to 3.2 | |
| 0.15 to 0.3 |
| Nickel (Ni), % | 4.0 to 5.0 | |
| 0 |
| Nitrogen (N), % | 0.070 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |