AISI 440B Stainless Steel vs. SAE-AISI 52100 Steel
Both AISI 440B stainless steel and SAE-AISI 52100 steel are iron alloys. They have 84% of their average alloy composition in common. 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 AISI 440B stainless steel and the bottom bar is SAE-AISI 52100 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.0 to 18 | |
| 10 to 20 |
| Fatigue Strength, MPa | 260 to 850 | |
| 250 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 460 to 1110 | |
| 370 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1930 | |
| 590 to 2010 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1860 | |
| 360 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 430 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1450 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 47 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 to 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 2.4 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 31 | |
| 20 |
| Embodied Water, L/kg | 120 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 57 to 110 | |
| 54 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 70 | |
| 21 to 72 |
| Strength to Weight: Bending, points | 24 to 45 | |
| 20 to 45 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 13 |
| Thermal Shock Resistance, points | 27 to 70 | |
| 19 to 61 |
Alloy Composition
| Carbon (C), % | 0.75 to 1.0 | |
| 0.93 to 1.1 |
| Chromium (Cr), % | 16 to 18 | |
| 1.4 to 1.6 |
| Iron (Fe), % | 78.2 to 83.3 | |
| 96.5 to 97.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.25 to 0.45 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |