EN 1.4477 Stainless Steel vs. EN 1.7767 Steel
Both EN 1.4477 stainless steel and EN 1.7767 steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is EN 1.7767 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 270 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Elongation at Break, % | 22 to 23 | |
| 20 |
| Fatigue Strength, MPa | 420 to 490 | |
| 320 to 340 |
| Impact Strength: V-Notched Charpy, J | 110 | |
| 46 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 74 |
| Shear Strength, MPa | 550 to 580 | |
| 420 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 930 | |
| 670 to 690 |
| Tensile Strength: Yield (Proof), MPa | 620 to 730 | |
| 460 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 480 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1470 |
| Melting Onset (Solidus), °C | 1380 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 13 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 4.5 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 2.4 |
| Embodied Energy, MJ/kg | 52 | |
| 33 |
| Embodied Water, L/kg | 190 | |
| 64 |
Common Calculations
| PREN (Pitting Resistance) | 41 | |
| 6.4 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 to 190 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 940 to 1290 | |
| 570 to 650 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 33 | |
| 24 |
| Strength to Weight: Bending, points | 26 to 27 | |
| 22 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 11 |
| Thermal Shock Resistance, points | 23 to 25 | |
| 19 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 28 to 30 | |
| 2.8 to 3.3 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 to 0.25 |
| Iron (Fe), % | 56.6 to 63.6 | |
| 93.8 to 95.8 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 1.5 to 2.6 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 5.8 to 7.5 | |
| 0 to 0.25 |
| Niobium (Nb), % | 0 | |
| 0 to 0.070 |
| Nitrogen (N), % | 0.3 to 0.4 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.2 to 0.3 |