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AWS BAg-5 vs. AWS BAg-2a

Both AWS BAg-5 and AWS BAg-2a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-5 and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
83
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 33
31
Tensile Strength: Ultimate (UTS), MPa 150
170

Thermal Properties

Brazing Temperature, °C 740 to 870
690 to 840
Latent Heat of Fusion, J/g 140
130
Melting Completion (Liquidus), °C 740
710
Melting Onset (Solidus), °C 660
610
Specific Heat Capacity, J/kg-K 320
310
Thermal Expansion, µm/m-K 21
23

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 44
30
Embodied Energy, MJ/kg 700
470

Common Calculations

Stiffness to Weight: Axial, points 5.4
5.2
Stiffness to Weight: Bending, points 16
17
Strength to Weight: Axial, points 4.6
5.4
Strength to Weight: Bending, points 6.9
7.8
Thermal Shock Resistance, points 5.9
6.5

Alloy Composition

Cadmium (Cd), % 0
19 to 21
Copper (Cu), % 29 to 31
26 to 28
Silver (Ag), % 44 to 46
29 to 31
Zinc (Zn), % 23 to 27
21 to 25
Residuals, % 0
0 to 0.15