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AWS BAg-28 vs. AWS BVAg-29

Both AWS BAg-28 and AWS BVAg-29 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% 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 BAg-28 and the bottom bar is AWS BVAg-29.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
73
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 33
27
Tensile Strength: Ultimate (UTS), MPa 150
180

Thermal Properties

Brazing Temperature, °C 680 to 840
710 to 790
Latent Heat of Fusion, J/g 140
120
Melting Completion (Liquidus), °C 710
710
Melting Onset (Solidus), °C 650
620
Specific Heat Capacity, J/kg-K 320
270
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.7

Common Calculations

Stiffness to Weight: Axial, points 5.6
4.2
Stiffness to Weight: Bending, points 17
14
Strength to Weight: Axial, points 4.7
5.2
Strength to Weight: Bending, points 7.1
7.3
Thermal Shock Resistance, points 5.8
8.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 29 to 31
22.5 to 25.5
Indium (In), % 0
14 to 15
Lead (Pb), % 0
0 to 0.0020
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 39 to 41
60.5 to 62.5
Tin (Sn), % 1.5 to 2.5
0
Zinc (Zn), % 26 to 30
0 to 0.0010
Residuals, % 0 to 0.15
0