ASTM B628 Ag-Cu vs. Type 4 Magnetic Alloy
ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 190 |
| Elongation at Break, % | 1.1 to 17 | |
| 2.0 to 40 |
| Poisson's Ratio | 0.36 | |
| 0.31 |
| Shear Modulus, GPa | 31 | |
| 73 |
| Shear Strength, MPa | 210 to 430 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 760 | |
| 620 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 290 |
| Melting Completion (Liquidus), °C | 780 | |
| 1420 |
| Melting Onset (Solidus), °C | 780 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 440 |
| Thermal Expansion, µm/m-K | 19 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 84 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 75 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 8.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.6 | |
| 12 |
| Stiffness to Weight: Bending, points | 14 | |
| 22 |
| Strength to Weight: Axial, points | 9.5 to 21 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 11 to 18 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 16 to 34 | |
| 21 to 37 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 26.6 to 29 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.050 | |
| 9.5 to 17.5 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 79 to 82 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Silver (Ag), % | 71 to 73 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Residuals, % | 0 to 0.21 | |
| 0 |