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AWS BVAu-7 vs. Zamak 2

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. There are 15 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
87
Poisson's Ratio 0.38
0.26
Shear Modulus, GPa 45
33
Tensile Strength: Ultimate (UTS), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 140
130
Melting Completion (Liquidus), °C 1120
390
Melting Onset (Solidus), °C 1100
380
Specific Heat Capacity, J/kg-K 240
410
Thermal Expansion, µm/m-K 13
28

Otherwise Unclassified Properties

Density, g/cm3 15
6.5

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.5
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.7
15
Strength to Weight: Bending, points 5.1
17
Thermal Shock Resistance, points 8.9
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0 to 0.0010
0 to 0.0050
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
2.5 to 3.3
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0020
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 24.5 to 25.5
0 to 0.020
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0 to 0.0010
92.2 to 94