ASTM B617 Coin Silver vs. Type 3 Niobium
Both ASTM B617 coin silver and Type 3 niobium are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASTM B617 coin silver and the bottom bar is Type 3 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 100 |
| Elongation at Break, % | 1.1 to 22 | |
| 23 |
| Poisson's Ratio | 0.37 | |
| 0.4 |
| Shear Modulus, GPa | 28 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 520 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 250 | |
| 270 |
| Thermal Expansion, µm/m-K | 19 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 8.6 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.1 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 14 | |
| 18 |
| Strength to Weight: Axial, points | 7.7 to 14 | |
| 7.2 |
| Strength to Weight: Bending, points | 9.3 to 14 | |
| 9.5 |
| Thermal Shock Resistance, points | 14 to 25 | |
| 21 |
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 0.010 |
| Copper (Cu), % | 9.0 to 10.4 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.0050 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0 | |
| 98.6 to 99.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 89.6 to 91 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Tungsten (W), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.8 to 1.2 |
| Residuals, % | 0 to 0.060 | |
| 0 |