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Z41321 Zinc vs. Solder Alloy 121

Z41321 zinc belongs to the zinc alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 24 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 Z41321 zinc and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
21
Elongation at Break, % 60
25
Poisson's Ratio 0.25
0.43
Shear Modulus, GPa 35
7.5
Tensile Strength: Ultimate (UTS), MPa 190
32

Thermal Properties

Latent Heat of Fusion, J/g 110
29
Melting Completion (Liquidus), °C 410
290
Melting Onset (Solidus), °C 400
230
Specific Heat Capacity, J/kg-K 390
140
Thermal Conductivity, W/m-K 110
31
Thermal Expansion, µm/m-K 26
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 37
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 6.6
11
Embodied Carbon, kg CO2/kg material 2.8
5.6
Embodied Energy, MJ/kg 54
93
Embodied Water, L/kg 340
580

Common Calculations

Stiffness to Weight: Axial, points 7.4
1.1
Stiffness to Weight: Bending, points 23
8.6
Strength to Weight: Axial, points 7.9
0.84
Strength to Weight: Bending, points 11
2.1
Thermal Diffusivity, mm2/s 44
20
Thermal Shock Resistance, points 5.9
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0050
0 to 0.0050
Copper (Cu), % 0.5 to 1.0
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 0.010
83.4 to 85.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0030
14.5 to 15.5
Titanium (Ti), % 0.080 to 0.18
0
Zinc (Zn), % 98.8 to 99.42
0 to 0.0010