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AWS BAg-7 vs. Zamak 7

AWS BAg-7 belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. 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-7 and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
86
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 31
33
Tensile Strength: Ultimate (UTS), MPa 150
280

Thermal Properties

Latent Heat of Fusion, J/g 130
120
Melting Completion (Liquidus), °C 650
390
Melting Onset (Solidus), °C 620
380
Specific Heat Capacity, J/kg-K 290
410
Thermal Expansion, µm/m-K 20
27

Otherwise Unclassified Properties

Density, g/cm3 9.3
6.4
Embodied Carbon, kg CO2/kg material 55
3.0
Embodied Energy, MJ/kg 860
57

Common Calculations

Stiffness to Weight: Axial, points 4.9
7.5
Stiffness to Weight: Bending, points 16
23
Strength to Weight: Axial, points 4.5
12
Strength to Weight: Bending, points 6.7
15
Thermal Shock Resistance, points 6.4
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), % 21 to 23
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
Nickel (Ni), % 0
0.0050 to 0.020
Silver (Ag), % 55 to 57
0
Tin (Sn), % 4.5 to 5.5
0 to 0.0010
Zinc (Zn), % 15 to 19
95.3 to 96.5
Residuals, % 0 to 0.15
0