EN 1.7767 Steel vs. EN 1.4107 Stainless Steel
Both EN 1.7767 steel and EN 1.4107 stainless steel are iron alloys. They have 90% 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 1.7767 steel and the bottom bar is EN 1.4107 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 18 to 21 |
| Fatigue Strength, MPa | 320 to 340 | |
| 260 to 350 |
| Impact Strength: V-Notched Charpy, J | 46 | |
| 45 to 50 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 620 to 700 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 400 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 480 | |
| 740 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1430 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 27 |
| Thermal Expansion, µm/m-K | 13 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.5 | |
| 7.5 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.1 |
| Embodied Energy, MJ/kg | 33 | |
| 30 |
| Embodied Water, L/kg | 64 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 6.4 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 420 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 22 | |
| 21 to 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 7.2 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 22 to 25 |
Alloy Composition
| Carbon (C), % | 0.1 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 2.8 to 3.3 | |
| 11.5 to 12.5 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.3 |
| Iron (Fe), % | 93.8 to 95.8 | |
| 83.8 to 87.2 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0.8 to 1.5 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 to 0.080 |