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Z21721 Zinc vs. AWS BVAu-8

Z21721 zinc belongs to the zinc alloys classification, while AWS BVAu-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (14, 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 Z21721 zinc and the bottom bar is AWS BVAu-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
100
Poisson's Ratio 0.25
0.42
Shear Modulus, GPa 35
36
Tensile Strength: Ultimate (UTS), MPa 150
140

Thermal Properties

Latent Heat of Fusion, J/g 110
71
Melting Completion (Liquidus), °C 410
1240
Melting Onset (Solidus), °C 390
1200
Specific Heat Capacity, J/kg-K 390
140
Thermal Expansion, µm/m-K 26
14

Otherwise Unclassified Properties

Density, g/cm3 6.6
19

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.0
Stiffness to Weight: Bending, points 22
8.3
Strength to Weight: Axial, points 6.4
2.1
Strength to Weight: Bending, points 9.6
3.2
Thermal Shock Resistance, points 4.8
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.0050
0
Gold (Au), % 0
91 to 93
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0 to 1.0
0 to 0.0020
Palladium (Pd), % 0
7.0 to 9.0
Phosphorus (P), % 0
0 to 0.0020
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0 to 0.0010