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AWS BVAg-32 vs. AWS BAg-21

Both AWS BVAg-32 and AWS BAg-21 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 (1, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-32 and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
85
Poisson's Ratio 0.37
0.36
Shear Modulus, GPa 34
31
Tensile Strength: Ultimate (UTS), MPa 180
150

Thermal Properties

Brazing Temperature, °C 950 to 980
700 to 900
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 950
800
Melting Onset (Solidus), °C 900
690
Specific Heat Capacity, J/kg-K 270
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 11
9.8

Common Calculations

Stiffness to Weight: Axial, points 4.9
4.8
Stiffness to Weight: Bending, points 14
15
Strength to Weight: Axial, points 4.7
4.2
Strength to Weight: Bending, points 6.7
6.4
Thermal Shock Resistance, points 8.0
6.6

Alloy Composition


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Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 20 to 22
27.5 to 29.5
Lead (Pb), % 0 to 0.0020
0
Nickel (Ni), % 0
2.0 to 3.0
Palladium (Pd), % 23 to 27
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 53 to 55
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15