EN 1.4034 Stainless Steel vs. SAE-AISI 4150 Steel
Both EN 1.4034 stainless steel and SAE-AISI 4150 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 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 EN 1.4034 stainless steel and the bottom bar is SAE-AISI 4150 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 14 | |
| 12 to 20 |
| Fatigue Strength, MPa | 230 to 400 | |
| 260 to 780 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 420 to 540 | |
| 410 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 900 | |
| 660 to 1310 |
| Tensile Strength: Yield (Proof), MPa | 390 to 730 | |
| 380 to 1220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 770 | |
| 420 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 42 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.1 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.7 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 2.4 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 1.5 |
| Embodied Energy, MJ/kg | 27 | |
| 20 |
| Embodied Water, L/kg | 100 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 94 | |
| 82 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 1370 | |
| 380 to 3930 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 25 to 32 | |
| 24 to 47 |
| Strength to Weight: Bending, points | 22 to 27 | |
| 22 to 34 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 11 |
| Thermal Shock Resistance, points | 24 to 32 | |
| 19 to 39 |
Alloy Composition
| Carbon (C), % | 0.43 to 0.5 | |
| 0.48 to 0.53 |
| Chromium (Cr), % | 12.5 to 14.5 | |
| 0.8 to 1.1 |
| Iron (Fe), % | 83 to 87.1 | |
| 96.7 to 97.7 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.040 |