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AWS BAu-6 vs. AWS BAg-20

Both AWS BAu-6 and AWS BAg-20 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 16 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-6 and the bottom bar is AWS BAg-20.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
93
Poisson's Ratio 0.39
0.32
Shear Modulus, GPa 43
35
Tensile Strength: Ultimate (UTS), MPa 190
160

Thermal Properties

Brazing Temperature, °C 1050 to 1120
770 to 900
Latent Heat of Fusion, J/g 120
150
Melting Completion (Liquidus), °C 1050
770
Melting Onset (Solidus), °C 1010
680
Specific Heat Capacity, J/kg-K 210
340
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Density, g/cm3 16
8.6

Common Calculations

Stiffness to Weight: Axial, points 4.0
6.0
Stiffness to Weight: Bending, points 10
17
Strength to Weight: Axial, points 3.2
5.1
Strength to Weight: Bending, points 4.5
7.6
Thermal Shock Resistance, points 8.5
5.9

Alloy Composition

Copper (Cu), % 0
37 to 39
Gold (Au), % 69.5 to 70.5
0
Nickel (Ni), % 21.5 to 22.5
0
Palladium (Pd), % 7.5 to 8.5
0
Silver (Ag), % 0
29 to 31
Zinc (Zn), % 0
30 to 34
Residuals, % 0
0 to 0.15