ASTM A209 Steel vs. AISI 304L Stainless Steel
Both ASTM A209 steel and AISI 304L stainless steel are iron alloys. There are 32 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 304L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 160 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 34 | |
| 6.7 to 46 |
| Fatigue Strength, MPa | 180 to 200 | |
| 170 to 430 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Rockwell B Hardness | 77 to 81 | |
| 79 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 280 to 310 | |
| 370 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 540 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 190 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 540 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 16 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.1 |
| Embodied Energy, MJ/kg | 20 | |
| 44 |
| Embodied Water, L/kg | 47 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 71 to 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 92 to 1900 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 19 to 41 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 19 to 31 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.2 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 12 to 25 |