EN 1.4419 Stainless Steel vs. EN 1.7703 Steel
Both EN 1.4419 stainless steel and EN 1.7703 steel are iron alloys. They have 88% 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 EN 1.4419 stainless steel and the bottom bar is EN 1.7703 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 20 |
| Fatigue Strength, MPa | 230 to 680 | |
| 320 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 74 |
| Shear Strength, MPa | 410 to 950 | |
| 420 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 1590 | |
| 670 to 690 |
| Tensile Strength: Yield (Proof), MPa | 370 to 1240 | |
| 460 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 460 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1470 |
| Melting Onset (Solidus), °C | 1400 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 39 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 4.2 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 2.5 |
| Embodied Energy, MJ/kg | 30 | |
| 35 |
| Embodied Water, L/kg | 110 | |
| 61 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 5.6 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 170 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 350 to 3920 | |
| 570 to 650 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 57 | |
| 24 |
| Strength to Weight: Bending, points | 22 to 39 | |
| 22 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 11 |
| Thermal Shock Resistance, points | 23 to 55 | |
| 19 to 20 |
Alloy Composition
| Carbon (C), % | 0.36 to 0.42 | |
| 0.11 to 0.15 |
| Chromium (Cr), % | 13 to 14.5 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 82 to 86 | |
| 94.6 to 96.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.6 to 1.0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Niobium (Nb), % | 0 | |
| 0 to 0.070 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |