EN 1.4901 Stainless Steel vs. EN 1.5511 Steel
Both EN 1.4901 stainless steel and EN 1.5511 steel are iron alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is EN 1.5511 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 490 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 400 |
| Melting Completion (Liquidus), °C | 1490 | |
| 1460 |
| Melting Onset (Solidus), °C | 1450 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.2 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.3 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 40 | |
| 19 |
| Embodied Water, L/kg | 89 | |
| 46 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 17 to 20 |
| Strength to Weight: Bending, points | 23 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 14 |
| Thermal Shock Resistance, points | 23 | |
| 15 to 17 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.020 | |
| 0.020 to 0.060 |
| Boron (B), % | 0.0010 to 0.0060 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.070 to 0.13 | |
| 0.32 to 0.39 |
| Chromium (Cr), % | 8.5 to 9.5 | |
| 0 |
| Iron (Fe), % | 85.8 to 89.1 | |
| 98.3 to 99.159 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0.3 to 0.6 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Niobium (Nb), % | 0.040 to 0.090 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 1.5 to 2.0 | |
| 0 |
| Vanadium (V), % | 0.15 to 0.25 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.010 | |
| 0 |