SAE-AISI D4 Steel vs. AISI 201L Stainless Steel
Both SAE-AISI D4 steel and AISI 201L stainless 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 SAE-AISI D4 steel and the bottom bar is AISI 201L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 8.4 to 15 | |
| 22 to 46 |
| Fatigue Strength, MPa | 310 to 920 | |
| 270 to 530 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 77 |
| Shear Strength, MPa | 460 to 1210 | |
| 520 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 2060 | |
| 740 to 1040 |
| Tensile Strength: Yield (Proof), MPa | 470 to 1540 | |
| 290 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1410 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 31 | |
| 15 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.2 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.0 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 49 | |
| 38 |
| Embodied Water, L/kg | 100 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 15 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 160 | |
| 210 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 75 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 24 to 47 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 4.0 |
| Thermal Shock Resistance, points | 23 to 63 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 2.1 to 2.4 | |
| 0 to 0.030 |
| Chromium (Cr), % | 11 to 13 | |
| 16 to 18 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 80.6 to 86.3 | |
| 67.9 to 75 |
| Manganese (Mn), % | 0 to 0.6 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 0.7 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 to 1.0 | |
| 0 |