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AWS BAu-5 vs. Zamak 2

AWS BAu-5 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.

For each property being compared, the top bar is AWS BAu-5 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
87
Poisson's Ratio 0.37
0.26
Shear Modulus, GPa 50
33
Tensile Strength: Ultimate (UTS), MPa 210
360

Thermal Properties

Latent Heat of Fusion, J/g 180
130
Melting Completion (Liquidus), °C 1170
390
Melting Onset (Solidus), °C 1140
380
Specific Heat Capacity, J/kg-K 280
410
Thermal Expansion, µm/m-K 12
28

Otherwise Unclassified Properties

Density, g/cm3 13
6.5

Common Calculations

Stiffness to Weight: Axial, points 5.8
7.5
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 4.5
15
Strength to Weight: Bending, points 6.0
17
Thermal Shock Resistance, points 9.0
11

Alloy Composition


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Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0
2.5 to 3.3
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 35.5 to 36.4
0 to 0.020
Palladium (Pd), % 33.5 to 34.5
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94
Residuals, % 0 to 0.15
0