ASTM A285 Carbon Steel vs. AISI 440C Stainless Steel
Both ASTM A285 carbon steel and AISI 440C stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is AISI 440C stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 30 to 34 | |
| 2.0 to 14 |
| Fatigue Strength, MPa | 150 to 180 | |
| 260 to 840 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 250 to 290 | |
| 430 to 1120 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 450 | |
| 710 to 1970 |
| Tensile Strength: Yield (Proof), MPa | 190 to 230 | |
| 450 to 1900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 870 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1480 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 53 | |
| 22 |
| Thermal Expansion, µm/m-K | 12 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 9.0 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.2 |
| Embodied Energy, MJ/kg | 18 | |
| 31 |
| Embodied Water, L/kg | 46 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 39 to 88 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 26 to 71 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 23 to 46 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.0 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 26 to 71 |