ASTM B522 Class II vs. AWS ENiCu-7
ASTM B522 class II belongs to the otherwise unclassified metals classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 18 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 ASTM B522 class II and the bottom bar is AWS ENiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 160 |
| Elongation at Break, % | 1.1 to 28 | |
| 34 |
| Poisson's Ratio | 0.41 | |
| 0.32 |
| Shear Modulus, GPa | 34 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 490 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 280 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1270 |
| Melting Onset (Solidus), °C | 1030 | |
| 1230 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 430 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.7 | |
| 3.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.7 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 10 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 21 |
| Strength to Weight: Axial, points | 4.4 to 7.8 | |
| 17 |
| Strength to Weight: Bending, points | 5.5 to 8.0 | |
| 17 |
| Thermal Shock Resistance, points | 13 to 24 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.75 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 | |
| 20.6 to 38 |
| Gold (Au), % | 68.5 to 69.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 | |
| 0 to 4.0 |
| Nickel (Ni), % | 0 | |
| 62 to 69 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Platinum (Pt), % | 5.5 to 6.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 1.5 |
| Silver (Ag), % | 24.5 to 25.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.26 | |
| 0 to 0.5 |