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AWS BAu-5 vs. AWS BAg-23

Both AWS BAu-5 and AWS BAg-23 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-5 and the bottom bar is AWS BAg-23.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
90
Poisson's Ratio 0.37
0.36
Shear Modulus, GPa 50
33
Tensile Strength: Ultimate (UTS), MPa 210
170

Thermal Properties

Brazing Temperature, °C 1170 to 1230
750 to 1040
Latent Heat of Fusion, J/g 180
130
Melting Completion (Liquidus), °C 1170
970
Melting Onset (Solidus), °C 1140
960
Specific Heat Capacity, J/kg-K 280
270
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 13
10

Common Calculations

Stiffness to Weight: Axial, points 5.8
5.0
Stiffness to Weight: Bending, points 13
15
Strength to Weight: Axial, points 4.5
4.7
Strength to Weight: Bending, points 6.0
6.8
Thermal Shock Resistance, points 9.0
6.8

Alloy Composition

Gold (Au), % 29.5 to 30.5
0
Manganese (Mn), % 0
13.9 to 16
Nickel (Ni), % 35.5 to 36.4
0
Palladium (Pd), % 33.5 to 34.5
0
Silver (Ag), % 0
84 to 86
Residuals, % 0
0 to 0.15