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AWS BAg-24 vs. AWS BAg-2a

Both AWS BAg-24 and AWS BAg-2a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-24 and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
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 710 to 870
690 to 840
Latent Heat of Fusion, J/g 130
130
Melting Completion (Liquidus), °C 730
710
Melting Onset (Solidus), °C 660
610
Specific Heat Capacity, J/kg-K 310
310
Thermal Expansion, µm/m-K 21
23

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 49
30
Embodied Energy, MJ/kg 770
470

Common Calculations

Stiffness to Weight: Axial, points 5.3
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), % 19 to 21
26 to 28
Nickel (Ni), % 1.5 to 2.5
0
Silver (Ag), % 49 to 51
29 to 31
Zinc (Zn), % 26 to 30
21 to 25
Residuals, % 0
0 to 0.15