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AWS BAg-8a vs. AWS BAu-6

Both AWS BAg-8a and AWS BAu-6 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 BAg-8a and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
120
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 31
43
Tensile Strength: Ultimate (UTS), MPa 150
190

Thermal Properties

Brazing Temperature, °C 720 to 870
1050 to 1120
Latent Heat of Fusion, J/g 140
120
Melting Completion (Liquidus), °C 770
1050
Melting Onset (Solidus), °C 770
1010
Specific Heat Capacity, J/kg-K 290
210
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 10
16

Common Calculations

Stiffness to Weight: Axial, points 4.6
4.0
Stiffness to Weight: Bending, points 15
10
Strength to Weight: Axial, points 4.2
3.2
Strength to Weight: Bending, points 6.3
4.5
Thermal Shock Resistance, points 6.7
8.5

Alloy Composition

Copper (Cu), % 26.4 to 28.8
0
Gold (Au), % 0
69.5 to 70.5
Lithium (Li), % 0.25 to 0.5
0
Nickel (Ni), % 0
21.5 to 22.5
Palladium (Pd), % 0
7.5 to 8.5
Silver (Ag), % 71 to 73
0
Residuals, % 0
0 to 0.15