Nickel 690 vs. SAE-AISI O7 Steel
Nickel 690 belongs to the nickel alloys classification, while SAE-AISI O7 steel belongs to the iron alloys. 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 nickel 690 and the bottom bar is SAE-AISI O7 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 79 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
680 to 2110 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
250 |
Melting Completion (Liquidus), °C | 1380 | |
1480 |
Melting Onset (Solidus), °C | 1340 | |
1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 14 | |
41 |
Thermal Expansion, µm/m-K | 14 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
7.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 50 | |
6.0 |
Density, g/cm3 | 8.3 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 8.2 | |
2.3 |
Embodied Energy, MJ/kg | 120 | |
33 |
Embodied Water, L/kg | 290 | |
52 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 21 to 33 | |
24 to 74 |
Strength to Weight: Bending, points | 20 to 27 | |
22 to 46 |
Thermal Diffusivity, mm2/s | 3.5 | |
11 |
Thermal Shock Resistance, points | 16 to 25 | |
23 to 70 |
Alloy Composition
Carbon (C), % | 0 to 0.050 | |
1.1 to 1.3 |
Chromium (Cr), % | 27 to 31 | |
0.35 to 0.85 |
Copper (Cu), % | 0 to 0.5 | |
0 to 0.25 |
Iron (Fe), % | 7.0 to 11 | |
92.9 to 97.6 |
Manganese (Mn), % | 0 to 0.5 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
0 to 0.3 |
Nickel (Ni), % | 58 to 66 | |
0 to 0.3 |
Phosphorus (P), % | 0 | |
0 to 0.030 |
Silicon (Si), % | 0 to 0.5 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.030 |
Tungsten (W), % | 0 | |
1.0 to 2.0 |
Vanadium (V), % | 0 | |
0 to 0.4 |