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Solder Alloy 711 vs. Z21721 Zinc

Solder alloy 711 belongs to the otherwise unclassified metals classification, while Z21721 zinc belongs to the zinc alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 711 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
87
Elongation at Break, % 19
40
Poisson's Ratio 0.36
0.25
Shear Modulus, GPa 19
35
Tensile Strength: Ultimate (UTS), MPa 49
150

Thermal Properties

Latent Heat of Fusion, J/g 61
110
Melting Completion (Liquidus), °C 220
410
Melting Onset (Solidus), °C 220
390
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 58
110
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
27
Electrical Conductivity: Equal Weight (Specific), % IACS 16
37

Otherwise Unclassified Properties

Density, g/cm3 7.4
6.6
Embodied Carbon, kg CO2/kg material 17
2.8
Embodied Energy, MJ/kg 290
53

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.3
Stiffness to Weight: Bending, points 17
22
Strength to Weight: Axial, points 1.8
6.4
Strength to Weight: Bending, points 4.0
9.6
Thermal Diffusivity, mm2/s 35
44
Thermal Shock Resistance, points 3.1
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0020
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.070
Copper (Cu), % 0.3 to 0.7
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), % 0 to 0.070
0 to 1.0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 2.8 to 3.2
0
Tin (Sn), % 95.6 to 96.9
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
98.9 to 100