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AWS BVAg-8 vs. AWS BAg-8

Both AWS BVAg-8 and AWS BAg-8 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is AWS BVAg-8 and the bottom bar is AWS BAg-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
84
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 31
31
Tensile Strength: Ultimate (UTS), MPa 170
150

Thermal Properties

Brazing Temperature, °C 780 to 900
770 to 890
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 780
780
Melting Onset (Solidus), °C 780
780
Specific Heat Capacity, J/kg-K 280
280
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 4.6
4.6
Stiffness to Weight: Bending, points 14
14
Strength to Weight: Axial, points 4.7
4.1
Strength to Weight: Bending, points 6.8
6.2
Thermal Shock Resistance, points 7.6
6.7

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 27 to 29
26.9 to 29
Lead (Pb), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 71 to 73
71 to 73
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15