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AWS BAg-22 vs. AWS BAg-27

Both AWS BAg-22 and AWS BAg-27 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-22 and the bottom bar is AWS BAg-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
88
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 140
160

Thermal Properties

Brazing Temperature, °C 700 to 1040
710 to 860
Latent Heat of Fusion, J/g 150
140
Melting Completion (Liquidus), °C 700
750
Melting Onset (Solidus), °C 680
610
Specific Heat Capacity, J/kg-K 320
330
Thermal Expansion, µm/m-K 21
22

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 48
25
Embodied Energy, MJ/kg 760
400

Common Calculations

Stiffness to Weight: Axial, points 5.9
5.7
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 4.3
5.1
Strength to Weight: Bending, points 6.6
7.6
Thermal Shock Resistance, points 5.1
5.9

Alloy Composition

Cadmium (Cd), % 0
12.5 to 14.5
Copper (Cu), % 15 to 17
34 to 36
Manganese (Mn), % 7.0 to 8.0
0
Nickel (Ni), % 4.0 to 5.0
0
Silver (Ag), % 48 to 50
24 to 26
Zinc (Zn), % 21 to 25
24.5 to 28.5
Residuals, % 0
0 to 0.15