ASTM B522 Class II vs. Type 4 Magnetic Alloy
ASTM B522 class II belongs to the otherwise unclassified metals classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ASTM B522 class II and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 190 |
| Elongation at Break, % | 1.1 to 28 | |
| 2.0 to 40 |
| Poisson's Ratio | 0.41 | |
| 0.31 |
| Shear Modulus, GPa | 34 | |
| 73 |
| Shear Strength, MPa | 180 to 280 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 490 | |
| 620 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 120 to 210 | |
| 270 to 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 290 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1420 |
| Melting Onset (Solidus), °C | 1030 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 440 |
| Thermal Expansion, µm/m-K | 15 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.7 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 63 | |
| 22 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 230 | |
| 190 to 2840 |
| Stiffness to Weight: Axial, points | 3.1 | |
| 12 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 22 |
| Strength to Weight: Axial, points | 4.4 to 7.8 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 5.5 to 8.0 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 13 to 24 | |
| 21 to 37 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Gold (Au), % | 68.5 to 69.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 9.5 to 17.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 0 | |
| 79 to 82 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Platinum (Pt), % | 5.5 to 6.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Silver (Ag), % | 24.5 to 25.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.26 | |
| 0 |