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AWS BAg-22 vs. Zamak 7

AWS BAg-22 belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-22 and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
86
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 140
280

Thermal Properties

Latent Heat of Fusion, J/g 150
120
Melting Completion (Liquidus), °C 700
390
Melting Onset (Solidus), °C 680
380
Specific Heat Capacity, J/kg-K 320
410
Thermal Expansion, µm/m-K 21
27

Otherwise Unclassified Properties

Density, g/cm3 9.0
6.4
Embodied Carbon, kg CO2/kg material 48
3.0
Embodied Energy, MJ/kg 760
57

Common Calculations

Stiffness to Weight: Axial, points 5.9
7.5
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 4.3
12
Strength to Weight: Bending, points 6.6
15
Thermal Shock Resistance, points 5.1
8.6

Alloy Composition


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Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 15 to 17
0 to 0.25
Iron (Fe), % 0
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 7.0 to 8.0
0
Nickel (Ni), % 4.0 to 5.0
0.0050 to 0.020
Silver (Ag), % 48 to 50
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 21 to 25
95.3 to 96.5
Residuals, % 0 to 0.15
0