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AWS BAg-22 vs. AWS BAg-21

Both AWS BAg-22 and AWS BAg-21 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-22 and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
85
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 36
31
Tensile Strength: Ultimate (UTS), MPa 140
150

Thermal Properties

Brazing Temperature, °C 700 to 1040
700 to 900
Latent Heat of Fusion, J/g 150
140
Melting Completion (Liquidus), °C 700
800
Melting Onset (Solidus), °C 680
690
Specific Heat Capacity, J/kg-K 320
280
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.8
Embodied Energy, MJ/kg 760
970

Common Calculations

Stiffness to Weight: Axial, points 5.9
4.8
Stiffness to Weight: Bending, points 17
15
Strength to Weight: Axial, points 4.3
4.2
Strength to Weight: Bending, points 6.6
6.4
Thermal Shock Resistance, points 5.1
6.6

Alloy Composition

Copper (Cu), % 15 to 17
27.5 to 29.5
Manganese (Mn), % 7.0 to 8.0
0
Nickel (Ni), % 4.0 to 5.0
2.0 to 3.0
Silver (Ag), % 48 to 50
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 21 to 25
0
Residuals, % 0
0 to 0.15