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AWS BVAu-2 vs. AWS BAg-1

Both AWS BVAu-2 and AWS BAg-1 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-2 and the bottom bar is AWS BAg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
75
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 36
28
Tensile Strength: Ultimate (UTS), MPa 150
170

Thermal Properties

Brazing Temperature, °C 890 to 1010
620 to 760
Latent Heat of Fusion, J/g 92
110
Melting Completion (Liquidus), °C 890
620
Melting Onset (Solidus), °C 890
610
Specific Heat Capacity, J/kg-K 180
280
Thermal Expansion, µm/m-K 15
23

Otherwise Unclassified Properties

Density, g/cm3 17
9.2

Common Calculations

Stiffness to Weight: Axial, points 3.3
4.6
Stiffness to Weight: Bending, points 9.1
15
Strength to Weight: Axial, points 2.4
5.1
Strength to Weight: Bending, points 3.6
7.4
Thermal Shock Resistance, points 7.1
7.0

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
23 to 25
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 19.5 to 20.5
14 to 16
Gold (Au), % 79.5 to 80.5
0
Lead (Pb), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
44 to 46
Zinc (Zn), % 0 to 0.0010
14 to 18
Residuals, % 0
0 to 0.15