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Z21721 Zinc vs. Solder Alloy 151

Z21721 zinc belongs to the zinc alloys classification, while solder alloy 151 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is solder alloy 151.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
39
Elongation at Break, % 40
37
Poisson's Ratio 0.25
0.37
Shear Modulus, GPa 35
14
Tensile Strength: Ultimate (UTS), MPa 150
46

Thermal Properties

Latent Heat of Fusion, J/g 110
47
Melting Completion (Liquidus), °C 410
150
Melting Onset (Solidus), °C 390
150
Specific Heat Capacity, J/kg-K 390
190
Thermal Conductivity, W/m-K 110
44
Thermal Expansion, µm/m-K 26
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 37
10

Otherwise Unclassified Properties

Density, g/cm3 6.6
8.8
Embodied Carbon, kg CO2/kg material 2.8
9.2
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 340
920

Common Calculations

Stiffness to Weight: Axial, points 7.3
2.5
Stiffness to Weight: Bending, points 22
13
Strength to Weight: Axial, points 6.4
1.4
Strength to Weight: Bending, points 9.6
3.2
Thermal Diffusivity, mm2/s 44
26
Thermal Shock Resistance, points 4.8
3.2

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.070
17.5 to 18.5
Copper (Cu), % 0 to 0.0050
0 to 0.080
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
30.3 to 33
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
49.5 to 50.5
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0 to 0.0010