Type 4 Magnetic Alloy vs. Nickel 690
Both Type 4 magnetic alloy and nickel 690 are nickel alloys. They have 72% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 2.0 to 40 | |
| 3.4 to 34 |
| Fatigue Strength, MPa | 220 to 400 | |
| 180 to 300 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Shear Strength, MPa | 420 to 630 | |
| 420 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1100 | |
| 640 to 990 |
| Tensile Strength: Yield (Proof), MPa | 270 to 1040 | |
| 250 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 1010 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1380 |
| Melting Onset (Solidus), °C | 1370 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 50 |
| Density, g/cm3 | 8.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 8.2 |
| Embodied Energy, MJ/kg | 140 | |
| 120 |
| Embodied Water, L/kg | 210 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 200 | |
| 31 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 2840 | |
| 160 to 1440 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 35 | |
| 21 to 33 |
| Strength to Weight: Bending, points | 18 to 27 | |
| 20 to 27 |
| Thermal Shock Resistance, points | 21 to 37 | |
| 16 to 25 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.3 | |
| 27 to 31 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.5 |
| Iron (Fe), % | 9.5 to 17.5 | |
| 7.0 to 11 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 3.5 to 6.0 | |
| 0 |
| Nickel (Ni), % | 79 to 82 | |
| 58 to 66 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.015 |