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AWS BAg-20 vs. AWS BAu-6

Both AWS BAg-20 and AWS BAu-6 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 BAg-20 and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.6
16

Common Calculations

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

Alloy Composition

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