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Z21721 Zinc vs. Solder Alloy 502

Z21721 zinc belongs to the zinc alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
53
Elongation at Break, % 40
34
Poisson's Ratio 0.25
0.36
Shear Modulus, GPa 35
19
Tensile Strength: Ultimate (UTS), MPa 150
58

Thermal Properties

Latent Heat of Fusion, J/g 110
66
Melting Completion (Liquidus), °C 410
350
Melting Onset (Solidus), °C 390
220
Specific Heat Capacity, J/kg-K 390
230
Thermal Conductivity, W/m-K 110
47
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 37
15

Otherwise Unclassified Properties

Density, g/cm3 6.6
7.4
Embodied Carbon, kg CO2/kg material 2.8
15
Embodied Energy, MJ/kg 53
260

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.0
Stiffness to Weight: Bending, points 22
17
Strength to Weight: Axial, points 6.4
2.2
Strength to Weight: Bending, points 9.6
4.5
Thermal Diffusivity, mm2/s 44
28
Thermal Shock Resistance, points 4.8
3.6

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0 to 0.070
0 to 0.0020
Copper (Cu), % 0 to 0.0050
3.5 to 4.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.020
Lead (Pb), % 0 to 1.0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0 to 0.0010