SAE-AISI 1146 Steel vs. Nickel 685
SAE-AISI 1146 steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1146 steel and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 200 | |
| 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 13 to 17 | |
| 17 |
| Fatigue Strength, MPa | 240 to 400 | |
| 470 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 40 to 45 | |
| 20 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Shear Strength, MPa | 410 to 440 | |
| 770 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 730 | |
| 1250 |
| Tensile Strength: Yield (Proof), MPa | 360 to 630 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 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 | 51 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 10 |
| Embodied Energy, MJ/kg | 18 | |
| 140 |
| Embodied Water, L/kg | 46 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 93 to 97 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 to 1050 | |
| 1820 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 42 |
| Strength to Weight: Bending, points | 22 to 23 | |
| 31 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.3 |
| Thermal Shock Resistance, points | 20 to 22 | |
| 37 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0.42 to 0.49 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 0 | |
| 18 to 21 |
| Cobalt (Co), % | 0 | |
| 12 to 15 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 98.3 to 98.8 | |
| 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 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.3 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |