EN 1.7077 Steel vs. Nickel 685
EN 1.7077 steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.7077 steel and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 180 | |
| 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 63 to 68 | |
| 20 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 1750 | |
| 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1420 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 45 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 10 |
| Embodied Energy, MJ/kg | 19 | |
| 140 |
| Embodied Water, L/kg | 51 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 17 to 62 | |
| 42 |
| Strength to Weight: Bending, points | 18 to 41 | |
| 31 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.3 |
| Thermal Shock Resistance, points | 14 to 51 | |
| 37 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0.00080 to 0.0050 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0.34 to 0.38 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 0.9 to 1.2 | |
| 18 to 21 |
| Cobalt (Co), % | 0 | |
| 12 to 15 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.5 |
| Iron (Fe), % | 96.8 to 98.1 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 0 | |
| 49.6 to 62.5 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.3 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |