EN 1.1221 Steel vs. S45503 Stainless Steel
Both EN 1.1221 steel and S45503 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 26 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 EN 1.1221 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 250 | |
| 410 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 10 to 21 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 240 to 340 | |
| 710 to 800 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 75 |
| Shear Strength, MPa | 450 to 520 | |
| 940 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 870 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 390 to 550 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 760 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.4 |
| Embodied Energy, MJ/kg | 19 | |
| 48 |
| Embodied Water, L/kg | 47 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 67 to 130 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 31 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 23 to 26 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 23 to 28 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0.57 to 0.65 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 to 0.4 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 97.1 to 98.8 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.4 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.0 to 1.4 |