EN 1.1133 Steel vs. AISI 303 Stainless Steel
Both EN 1.1133 steel and AISI 303 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.1133 steel and the bottom bar is AISI 303 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 19 to 24 | |
| 40 to 51 |
| Fatigue Strength, MPa | 230 to 310 | |
| 230 to 360 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 370 to 380 | |
| 430 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 620 | |
| 600 to 690 |
| Tensile Strength: Yield (Proof), MPa | 320 to 460 | |
| 230 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 930 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 49 | |
| 16 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.0 |
| Embodied Energy, MJ/kg | 19 | |
| 42 |
| Embodied Water, L/kg | 48 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 550 | |
| 140 to 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.4 |
| Thermal Shock Resistance, points | 18 to 19 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.23 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 to 0.4 | |
| 17 to 19 |
| Iron (Fe), % | 96.9 to 98.8 | |
| 67.3 to 74.9 |
| Manganese (Mn), % | 1.0 to 1.5 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 8.0 to 10 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0.15 to 0.35 |