ASTM A266 Carbon Steel vs. AISI 422 Stainless Steel
Both ASTM A266 carbon steel and AISI 422 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 A266 carbon steel and the bottom bar is AISI 422 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 180 | |
| 260 to 330 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 21 to 26 | |
| 15 to 17 |
| Fatigue Strength, MPa | 170 to 200 | |
| 410 to 500 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 34 to 43 | |
| 34 to 40 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 320 to 380 | |
| 560 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 910 to 1080 |
| Tensile Strength: Yield (Proof), MPa | 230 to 290 | |
| 670 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 650 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1480 |
| Melting Onset (Solidus), °C | 1420 | |
| 1470 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 to 52 | |
| 24 |
| Thermal Expansion, µm/m-K | 12 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 4.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 5.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.1 |
| Embodied Energy, MJ/kg | 18 to 19 | |
| 44 |
| Embodied Water, L/kg | 46 to 47 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 230 | |
| 1140 to 1910 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 32 to 38 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 26 to 30 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.4 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 33 to 39 |