EN 1.7225 Steel vs. EN 1.4020 Stainless Steel
Both EN 1.7225 steel and EN 1.4020 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is EN 1.7225 steel and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 300 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 1850 | |
| 770 to 1130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 890 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1390 |
| Melting Onset (Solidus), °C | 1420 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.5 |
| Embodied Energy, MJ/kg | 20 | |
| 37 |
| Embodied Water, L/kg | 51 | |
| 150 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 65 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 19 to 43 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 16 to 54 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.45 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0.9 to 1.2 | |
| 16.5 to 19 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 96.6 to 98 | |
| 62.8 to 71.8 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 11 to 14 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.5 to 2.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.45 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.030 |