AISI 440C Stainless Steel vs. AISI 301 Stainless Steel
Both AISI 440C stainless steel and AISI 301 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 AISI 440C stainless steel and the bottom bar is AISI 301 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 2.0 to 14 | |
| 7.4 to 46 |
| Fatigue Strength, MPa | 260 to 840 | |
| 210 to 600 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 430 to 1120 | |
| 410 to 860 |
| Tensile Strength: Ultimate (UTS), MPa | 710 to 1970 | |
| 590 to 1460 |
| Tensile Strength: Yield (Proof), MPa | 450 to 1900 | |
| 230 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 840 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1420 |
| Melting Onset (Solidus), °C | 1370 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 22 | |
| 16 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 31 | |
| 39 |
| Embodied Water, L/kg | 120 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 39 to 88 | |
| 99 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 71 | |
| 21 to 52 |
| Strength to Weight: Bending, points | 23 to 46 | |
| 20 to 37 |
| Thermal Diffusivity, mm2/s | 6.0 | |
| 4.2 |
| Thermal Shock Resistance, points | 26 to 71 | |
| 12 to 31 |
Alloy Composition
| Carbon (C), % | 1.0 to 1.2 | |
| 0 to 0.15 |
| Chromium (Cr), % | 16 to 18 | |
| 16 to 18 |
| Iron (Fe), % | 78 to 83.1 | |
| 70.7 to 78 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 6.0 to 8.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |