Half-hard ASTM F15 vs. Half-hard Nickel 690
Half-hard ASTM F15 belongs to the iron alloys classification, while half-hard nickel 690 belongs to the nickel alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is half-hard ASTM F15 and the bottom bar is half-hard nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 680 | |
| 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 320 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1380 |
| Melting Onset (Solidus), °C | 1450 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 14 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 50 |
| Density, g/cm3 | 8.3 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 5.2 | |
| 8.2 |
| Embodied Energy, MJ/kg | 71 | |
| 120 |
| Embodied Water, L/kg | 190 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 23 | |
| 27 |
| Strength to Weight: Bending, points | 21 | |
| 23 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 3.5 |
| Thermal Shock Resistance, points | 42 | |
| 21 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.2 | |
| 27 to 31 |
| Cobalt (Co), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.5 |
| Iron (Fe), % | 50.3 to 56 | |
| 7.0 to 11 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 28 to 30 | |
| 58 to 66 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.1 | |
| 0 |