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AWS BAg-24 vs. AWS BAg-37

Both AWS BAg-24 and AWS BAg-37 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-37.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
94
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 33
36
Tensile Strength: Ultimate (UTS), MPa 150
180

Thermal Properties

Brazing Temperature, °C 710 to 870
780 to 890
Latent Heat of Fusion, J/g 130
150
Melting Completion (Liquidus), °C 730
780
Melting Onset (Solidus), °C 660
690
Specific Heat Capacity, J/kg-K 310
350
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 49
26
Embodied Energy, MJ/kg 770
410

Common Calculations

Stiffness to Weight: Axial, points 5.3
6.1
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 4.6
5.9
Strength to Weight: Bending, points 6.9
8.3
Thermal Shock Resistance, points 5.9
6.6

Alloy Composition

Copper (Cu), % 19 to 21
39 to 41
Nickel (Ni), % 1.5 to 2.5
0
Silver (Ag), % 49 to 51
24 to 26
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 26 to 30
31 to 35
Residuals, % 0
0 to 0.15