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AWS BAg-2 vs. AWS BAg-37

Both AWS BAg-2 and AWS BAg-37 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-2 and the bottom bar is AWS BAg-37.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
94
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 31
36
Tensile Strength: Ultimate (UTS), MPa 180
180

Thermal Properties

Brazing Temperature, °C 700 to 840
780 to 890
Latent Heat of Fusion, J/g 130
150
Melting Completion (Liquidus), °C 700
780
Melting Onset (Solidus), °C 610
690
Specific Heat Capacity, J/kg-K 310
350
Thermal Expansion, µm/m-K 22
21

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 35
26
Embodied Energy, MJ/kg 550
410

Common Calculations

Stiffness to Weight: Axial, points 5.1
6.1
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 5.6
5.9
Strength to Weight: Bending, points 7.9
8.3
Thermal Shock Resistance, points 7.0
6.6

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Copper (Cu), % 25 to 27
39 to 41
Silver (Ag), % 34 to 36
24 to 26
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 19 to 23
31 to 35
Residuals, % 0
0 to 0.15