ASTM A209 Steel vs. AISI 403 Stainless Steel
Both ASTM A209 steel and AISI 403 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 403 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 190 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 34 | |
| 16 to 25 |
| Fatigue Strength, MPa | 180 to 200 | |
| 200 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Rockwell B Hardness | 77 to 81 | |
| 83 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 280 to 310 | |
| 340 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 530 to 780 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 280 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 740 |
| 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 | |
| 28 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 6.5 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.9 |
| Embodied Energy, MJ/kg | 20 | |
| 27 |
| Embodied Water, L/kg | 47 | |
| 99 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 210 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 19 to 28 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 13 | |
| 7.6 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 20 to 29 |