AWS BNi-7 vs. Type 4 Magnetic Alloy
Both AWS BNi-7 and Type 4 magnetic alloy are nickel alloys. They have 76% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-7 and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 | |
| 190 |
| Poisson's Ratio | 0.3 | |
| 0.31 |
| Shear Modulus, GPa | 67 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 620 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Melting Completion (Liquidus), °C | 890 | |
| 1420 |
| Melting Onset (Solidus), °C | 890 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 440 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 60 |
| Density, g/cm3 | 8.0 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 10 |
| Embodied Energy, MJ/kg | 120 | |
| 140 |
| Embodied Water, L/kg | 240 | |
| 210 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 12 |
| Stiffness to Weight: Bending, points | 23 | |
| 22 |
| Strength to Weight: Axial, points | 19 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 19 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 21 | |
| 21 to 37 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.050 |
| Chromium (Cr), % | 13 to 15 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.2 | |
| 9.5 to 17.5 |
| Manganese (Mn), % | 0 to 0.040 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 73.3 to 77.3 | |
| 79 to 82 |
| Phosphorus (P), % | 9.7 to 10.5 | |
| 0 to 0.010 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |