AWS BAu-4 vs. AWS BVAg-32
Both AWS BAu-4 and AWS BVAg-32 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition.
For each property being compared, the top bar is AWS BAu-4 and the bottom bar is AWS BVAg-32.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
93 |
Poisson's Ratio | 0.4 | |
0.37 |
Shear Modulus, GPa | 41 | |
34 |
Tensile Strength: Ultimate (UTS), MPa | 200 | |
180 |
Thermal Properties
Brazing Temperature, °C | 950 to 1000 | |
950 to 980 |
Latent Heat of Fusion, J/g | 100 | |
140 |
Melting Completion (Liquidus), °C | 950 | |
950 |
Melting Onset (Solidus), °C | 950 | |
900 |
Specific Heat Capacity, J/kg-K | 190 | |
270 |
Thermal Expansion, µm/m-K | 14 | |
17 |
Otherwise Unclassified Properties
Density, g/cm3 | 17 | |
11 |
Common Calculations
Stiffness to Weight: Axial, points | 3.6 | |
4.9 |
Stiffness to Weight: Bending, points | 9.3 | |
14 |
Strength to Weight: Axial, points | 3.2 | |
4.7 |
Strength to Weight: Bending, points | 4.4 | |
6.7 |
Thermal Shock Resistance, points | 9.2 | |
8.0 |
Alloy Composition
Cadmium (Cd), % | 0 | |
0 to 0.0010 |
Carbon (C), % | 0 | |
0 to 0.0050 |
Copper (Cu), % | 0 | |
20 to 22 |
Gold (Au), % | 81.5 to 82.5 | |
0 |
Lead (Pb), % | 0 | |
0 to 0.0020 |
Nickel (Ni), % | 17.4 to 18.5 | |
0 |
Palladium (Pd), % | 0 | |
23 to 27 |
Phosphorus (P), % | 0 | |
0 to 0.0020 |
Silver (Ag), % | 0 | |
53 to 55 |
Zinc (Zn), % | 0 | |
0 to 0.0010 |
Residuals, % | 0 to 0.15 | |
0 |