AISI 201LN Stainless Steel vs. ASTM A203 Steel
Both AISI 201LN stainless steel and ASTM A203 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is ASTM A203 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 320 | |
| 160 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 25 to 51 | |
| 22 to 26 |
| Fatigue Strength, MPa | 340 to 540 | |
| 210 to 280 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 530 to 680 | |
| 330 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1060 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 350 to 770 | |
| 290 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 410 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 52 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.4 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.5 to 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 3.2 to 4.0 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.6 to 1.7 |
| Embodied Energy, MJ/kg | 38 | |
| 21 to 23 |
| Embodied Water, L/kg | 140 | |
| 50 to 52 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 to 310 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 1520 | |
| 230 to 410 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 38 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 15 to 17 |