ASTM A209 Steel vs. AISI 201 Stainless Steel
Both ASTM A209 steel and AISI 201 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 200 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 34 | |
| 4.6 to 51 |
| Fatigue Strength, MPa | 180 to 200 | |
| 280 to 600 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 280 to 310 | |
| 450 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 650 to 1450 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 300 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 880 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 | |
| 38 |
| Embodied Water, L/kg | 47 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 61 to 340 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 23 to 52 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 22 to 37 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.0 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 14 to 32 |