SAE-AISI 4620 Steel vs. EN 1.4542 Stainless Steel
Both SAE-AISI 4620 steel and EN 1.4542 stainless steel are iron alloys. They have 77% 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 SAE-AISI 4620 steel and the bottom bar is EN 1.4542 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 27 | |
| 5.7 to 20 |
| Fatigue Strength, MPa | 260 to 360 | |
| 370 to 640 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 320 to 420 | |
| 550 to 860 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 680 | |
| 880 to 1470 |
| Tensile Strength: Yield (Proof), MPa | 350 to 550 | |
| 580 to 1300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 860 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 47 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 22 | |
| 39 |
| Embodied Water, L/kg | 50 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 62 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 800 | |
| 880 to 4360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 31 to 52 |
| Strength to Weight: Bending, points | 18 to 22 | |
| 26 to 37 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.3 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 29 to 49 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.22 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 0 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 96.4 to 97.4 | |
| 69.6 to 79 |
| Manganese (Mn), % | 0.45 to 0.65 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 to 0.6 |
| Nickel (Ni), % | 1.7 to 2.0 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0 to 0.45 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.015 |