ASTM A209 Steel vs. AISI 384 Stainless Steel
Both ASTM A209 steel and AISI 384 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is AISI 384 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 910 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 20 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.7 |
| Embodied Energy, MJ/kg | 20 | |
| 52 |
| Embodied Water, L/kg | 47 | |
| 150 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 17 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 17 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.3 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 11 |