AISI 202 Stainless Steel vs. EN 1.4640 Stainless Steel
Both AISI 202 stainless steel and EN 1.4640 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is EN 1.4640 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 300 | |
| 190 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 45 | |
| 51 |
| Fatigue Strength, MPa | 290 to 330 | |
| 230 to 250 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 490 to 590 | |
| 440 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 980 | |
| 620 to 650 |
| Tensile Strength: Yield (Proof), MPa | 310 to 580 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 930 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1420 |
| Melting Onset (Solidus), °C | 1360 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 14 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 40 | |
| 40 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 250 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 840 | |
| 150 to 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 25 to 35 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 23 to 29 | |
| 21 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 15 to 21 | |
| 14 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.030 to 0.080 |
| Chromium (Cr), % | 17 to 19 | |
| 18 to 19 |
| Copper (Cu), % | 0 | |
| 1.3 to 2.0 |
| Iron (Fe), % | 63.5 to 71.5 | |
| 67.4 to 73.6 |
| Manganese (Mn), % | 7.5 to 10 | |
| 1.5 to 4.0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 5.5 to 6.9 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0.030 to 0.11 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |