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Z21721 Zinc vs. Solder Alloy 124

Z21721 zinc belongs to the zinc alloys classification, while solder alloy 124 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
17
Elongation at Break, % 40
46
Poisson's Ratio 0.25
0.44
Shear Modulus, GPa 35
5.8
Tensile Strength: Ultimate (UTS), MPa 150
27

Thermal Properties

Latent Heat of Fusion, J/g 110
24
Melting Completion (Liquidus), °C 410
330
Melting Onset (Solidus), °C 390
320
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 26
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 37
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 6.6
11
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 53
68
Embodied Water, L/kg 340
470

Common Calculations

Stiffness to Weight: Axial, points 7.3
0.83
Stiffness to Weight: Bending, points 22
7.6
Strength to Weight: Axial, points 6.4
0.65
Strength to Weight: Bending, points 9.6
1.8
Thermal Diffusivity, mm2/s 44
15
Thermal Shock Resistance, points 4.8
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.0010
Antimony (Sb), % 0
0 to 0.12
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.070
0 to 0.0020
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
97.2 to 98.2
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0 to 0.0010