AISI 321 Stainless Steel vs. EN 1.3570 Steel
Both AISI 321 stainless steel and EN 1.3570 steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is EN 1.3570 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 210 | |
| 150 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 690 | |
| 490 to 1440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 410 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 46 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 45 | |
| 19 |
| Embodied Water, L/kg | 140 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 17 to 51 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 18 to 36 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 13 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 14 to 42 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.080 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 17 to 19 | |
| 0.4 to 0.75 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 65.3 to 74 | |
| 97.1 to 98.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.65 to 1.1 |
| Molybdenum (Mo), % | 0 | |
| 0.1 to 0.2 |
| Nickel (Ni), % | 9.0 to 12 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Oxygen (O), % | 0 | |
| 0 to 0.0020 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.7 | |
| 0 |