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Zamak 5 vs. Solder Alloy 123

Zamak 5 belongs to the zinc alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
8.0
Elastic (Young's, Tensile) Modulus, GPa 87
18
Elongation at Break, % 6.3
45
Poisson's Ratio 0.25
0.44
Shear Modulus, GPa 33
6.2
Tensile Strength: Ultimate (UTS), MPa 330
28

Thermal Properties

Latent Heat of Fusion, J/g 120
26
Melting Completion (Liquidus), °C 390
310
Melting Onset (Solidus), °C 380
300
Specific Heat Capacity, J/kg-K 410
130
Thermal Conductivity, W/m-K 110
23
Thermal Expansion, µm/m-K 27
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 37
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 6.4
11
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 57
74
Embodied Water, L/kg 380
500

Common Calculations

Stiffness to Weight: Axial, points 7.5
0.9
Stiffness to Weight: Bending, points 23
7.8
Strength to Weight: Axial, points 14
0.69
Strength to Weight: Bending, points 16
1.8
Thermal Diffusivity, mm2/s 42
16
Thermal Shock Resistance, points 9.9
3.8

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0050
0 to 0.0050
Copper (Cu), % 0.7 to 1.3
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.020
Lead (Pb), % 0 to 0.0050
93.5 to 95.5
Magnesium (Mg), % 0.025 to 0.080
0
Nickel (Ni), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.030
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0030
4.5 to 5.5
Zinc (Zn), % 94.3 to 95.7
0 to 0.0010