ASTM B477 Au-Ni-Ag vs. C17500 Copper
ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while C17500 copper belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is ASTM B477 Au-Ni-Ag and the bottom bar is C17500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 95 | |
120 |
Elongation at Break, % | 5.5 to 11 | |
6.0 to 30 |
Poisson's Ratio | 0.41 | |
0.34 |
Shear Modulus, GPa | 34 | |
45 |
Shear Strength, MPa | 190 to 320 | |
200 to 520 |
Tensile Strength: Ultimate (UTS), MPa | 310 to 550 | |
310 to 860 |
Thermal Properties
Latent Heat of Fusion, J/g | 80 | |
220 |
Melting Completion (Liquidus), °C | 1010 | |
1060 |
Melting Onset (Solidus), °C | 930 | |
1020 |
Specific Heat Capacity, J/kg-K | 160 | |
390 |
Thermal Expansion, µm/m-K | 15 | |
18 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 14 | |
24 to 53 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.5 | |
24 to 54 |
Otherwise Unclassified Properties
Density, g/cm3 | 17 | |
8.9 |
Common Calculations
Stiffness to Weight: Axial, points | 3.1 | |
7.5 |
Stiffness to Weight: Bending, points | 8.9 | |
18 |
Strength to Weight: Axial, points | 5.0 to 9.0 | |
9.7 to 27 |
Strength to Weight: Bending, points | 6.0 to 8.8 | |
11 to 23 |
Thermal Shock Resistance, points | 16 to 28 | |
11 to 29 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.2 |
Beryllium (Be), % | 0 | |
0.4 to 0.7 |
Cobalt (Co), % | 0 | |
2.4 to 2.7 |
Copper (Cu), % | 0 | |
95.6 to 97.2 |
Gold (Au), % | 74.2 to 75.8 | |
0 |
Iron (Fe), % | 0 | |
0 to 0.1 |
Nickel (Ni), % | 2.6 to 3.4 | |
0 |
Silicon (Si), % | 0 | |
0 to 0.2 |
Silver (Ag), % | 21.4 to 22.6 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |