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AWS BAg-6 vs. AWS BAg-8a

Both AWS BAg-6 and AWS BAg-8a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% 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-6 and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 89
83
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 33
31
Tensile Strength: Ultimate (UTS), MPa 160
150

Thermal Properties

Brazing Temperature, °C 650 to 870
720 to 870
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 770
770
Melting Onset (Solidus), °C 690
770
Specific Heat Capacity, J/kg-K 310
290
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Density, g/cm3 9.3
10

Common Calculations

Stiffness to Weight: Axial, points 5.3
4.6
Stiffness to Weight: Bending, points 16
15
Strength to Weight: Axial, points 4.8
4.2
Strength to Weight: Bending, points 7.0
6.3
Thermal Shock Resistance, points 6.5
6.7

Alloy Composition

Copper (Cu), % 33 to 35
26.4 to 28.8
Lithium (Li), % 0
0.25 to 0.5
Silver (Ag), % 49 to 51
71 to 73
Zinc (Zn), % 14 to 18
0
Residuals, % 0
0 to 0.15