Nickel 690 vs. ASTM A372 Grade M Steel
Nickel 690 belongs to the nickel alloys classification, while ASTM A372 grade M steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is nickel 690 and the bottom bar is ASTM A372 grade M steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 240 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 18 to 21 |
| Fatigue Strength, MPa | 180 to 300 | |
| 450 to 520 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 510 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 810 to 910 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 660 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 450 |
| 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 | |
| 46 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 5.0 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 2.0 |
| Embodied Energy, MJ/kg | 120 | |
| 27 |
| Embodied Water, L/kg | 290 | |
| 61 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 1140 to 1580 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 12 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 24 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.23 |
| Chromium (Cr), % | 27 to 31 | |
| 1.5 to 2.0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 92.5 to 95.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.2 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 0.4 to 0.6 |
| Nickel (Ni), % | 58 to 66 | |
| 2.8 to 3.9 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0 to 0.080 |