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AWS BVAu-4 vs. AWS BAg-22

Both AWS BVAu-4 and AWS BAg-22 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 BVAu-4 and the bottom bar is AWS BAg-22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
96
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 190
140

Thermal Properties

Brazing Temperature, °C 950 to 1000
700 to 1040
Latent Heat of Fusion, J/g 100
150
Melting Completion (Liquidus), °C 950
700
Melting Onset (Solidus), °C 950
680
Specific Heat Capacity, J/kg-K 190
320
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Density, g/cm3 17
9.0

Common Calculations

Stiffness to Weight: Axial, points 3.6
5.9
Stiffness to Weight: Bending, points 9.3
17
Strength to Weight: Axial, points 3.0
4.3
Strength to Weight: Bending, points 4.2
6.6
Thermal Shock Resistance, points 8.7
5.1

Alloy Composition


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Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 0
15 to 17
Gold (Au), % 81.5 to 82.5
0
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
7.0 to 8.0
Nickel (Ni), % 17.5 to 18.5
4.0 to 5.0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
48 to 50
Zinc (Zn), % 0 to 0.0010
21 to 25
Residuals, % 0
0 to 0.15