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AWS BVAg-18 vs. AWS BVAg-32

Both AWS BVAg-18 and AWS BVAg-32 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. 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 BVAg-18 and the bottom bar is AWS BVAg-32.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
93
Poisson's Ratio 0.36
0.37
Shear Modulus, GPa 30
34
Tensile Strength: Ultimate (UTS), MPa 180
180

Thermal Properties

Brazing Temperature, °C 720 to 840
950 to 980
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 720
950
Melting Onset (Solidus), °C 600
900
Specific Heat Capacity, J/kg-K 280
270
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Density, g/cm3 9.7
11

Common Calculations

Stiffness to Weight: Axial, points 4.7
4.9
Stiffness to Weight: Bending, points 15
14
Strength to Weight: Axial, points 5.1
4.7
Strength to Weight: Bending, points 7.3
6.7
Thermal Shock Resistance, points 8.1
8.0

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0 to 0.0010
Carbon (C), % 0 to 0.0050
0 to 0.0050
Copper (Cu), % 28.5 to 31.5
20 to 22
Lead (Pb), % 0 to 0.0020
0 to 0.0020
Palladium (Pd), % 0
23 to 27
Phosphorus (P), % 0 to 0.0020
0 to 0.0020
Silver (Ag), % 59 to 61
53 to 55
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010