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AWS BAg-23 vs. AWS BAu-3

Both AWS BAg-23 and AWS BAu-3 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-23 and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
110
Poisson's Ratio 0.36
0.37
Shear Modulus, GPa 33
41
Tensile Strength: Ultimate (UTS), MPa 170
220

Thermal Properties

Brazing Temperature, °C 750 to 1040
1030 to 1090
Latent Heat of Fusion, J/g 130
160
Melting Completion (Liquidus), °C 970
1030
Melting Onset (Solidus), °C 960
970
Specific Heat Capacity, J/kg-K 270
300
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Density, g/cm3 10
13

Common Calculations

Stiffness to Weight: Axial, points 5.0
5.0
Stiffness to Weight: Bending, points 15
13
Strength to Weight: Axial, points 4.7
4.9
Strength to Weight: Bending, points 6.8
6.4
Thermal Shock Resistance, points 6.8
8.7

Alloy Composition


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Copper (Cu), % 0
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Manganese (Mn), % 13.9 to 16
0
Nickel (Ni), % 0
2.5 to 3.5
Silver (Ag), % 84 to 86
0
Residuals, % 0 to 0.15
0 to 0.15