Nickel 690 vs. ASTM A514 Steel
Nickel 690 belongs to the nickel alloys classification, while ASTM A514 steel belongs to the iron alloys.
For each property being compared, the top bar is nickel 690 and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 240 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 18 to 21 |
| Fatigue Strength, MPa | 180 to 300 | |
| 470 to 540 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 400 to 440 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1460 |
| Melting Onset (Solidus), °C | 1340 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 14 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.2 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.3 to 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 8.3 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 120 | |
| 21 to 25 |
| Embodied Water, L/kg | 290 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 23 to 24 |