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Solder Alloy 115 vs. Z21721 Zinc

Solder alloy 115 belongs to the otherwise unclassified metals classification, while Z21721 zinc belongs to the zinc alloys. 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 solder alloy 115 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 28
87
Elongation at Break, % 22
40
Poisson's Ratio 0.41
0.25
Shear Modulus, GPa 10
35
Tensile Strength: Ultimate (UTS), MPa 36
150

Thermal Properties

Latent Heat of Fusion, J/g 36
110
Melting Completion (Liquidus), °C 250
410
Melting Onset (Solidus), °C 180
390
Specific Heat Capacity, J/kg-K 160
390
Thermal Conductivity, W/m-K 43
110
Thermal Expansion, µm/m-K 27
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 95
11
Density, g/cm3 9.9
6.6
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 730
340

Common Calculations

Stiffness to Weight: Axial, points 1.6
7.3
Stiffness to Weight: Bending, points 10
22
Strength to Weight: Axial, points 1.0
6.4
Strength to Weight: Bending, points 2.4
9.6
Thermal Diffusivity, mm2/s 27
44
Thermal Shock Resistance, points 3.4
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0020
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.070
Copper (Cu), % 0 to 0.080
0 to 0.0050
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 63.4 to 65.5
0 to 1.0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 34.5 to 35.5
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
98.9 to 100