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AWS BAg-9 vs. AWS BAg-1a

Both AWS BAg-9 and AWS BAg-1a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common. There are 17 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 BAg-9 and the bottom bar is AWS BAg-1a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
77
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 31
29
Tensile Strength: Ultimate (UTS), MPa 140
180

Thermal Properties

Brazing Temperature, °C 720 to 840
640 to 760
Latent Heat of Fusion, J/g 130
120
Melting Completion (Liquidus), °C 720
640
Melting Onset (Solidus), °C 670
630
Specific Heat Capacity, J/kg-K 290
280
Thermal Expansion, µm/m-K 20
22

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.3
Embodied Energy, MJ/kg 980
760

Common Calculations

Stiffness to Weight: Axial, points 4.8
4.6
Stiffness to Weight: Bending, points 15
15
Strength to Weight: Axial, points 4.1
5.4
Strength to Weight: Bending, points 6.3
7.6
Thermal Shock Resistance, points 6.0
7.5

Alloy Composition


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Cadmium (Cd), % 0
17 to 19
Copper (Cu), % 19 to 21
14.5 to 16.5
Silver (Ag), % 64 to 66
49 to 51
Zinc (Zn), % 13 to 17
14.5 to 18.5
Residuals, % 0 to 0.15
0 to 0.15