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Zamak 5 vs. Solder Alloy 811

Zamak 5 belongs to the zinc alloys classification, while solder alloy 811 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
52
Elongation at Break, % 6.3
38
Poisson's Ratio 0.25
0.35
Shear Modulus, GPa 33
19
Tensile Strength: Ultimate (UTS), MPa 330
53

Thermal Properties

Latent Heat of Fusion, J/g 120
63
Melting Completion (Liquidus), °C 390
200
Melting Onset (Solidus), °C 380
190
Specific Heat Capacity, J/kg-K 410
230
Thermal Conductivity, W/m-K 110
59
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
14
Electrical Conductivity: Equal Weight (Specific), % IACS 37
17

Otherwise Unclassified Properties

Density, g/cm3 6.4
7.3
Embodied Carbon, kg CO2/kg material 3.0
14
Embodied Energy, MJ/kg 57
240
Embodied Water, L/kg 380
1200

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.0
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 14
2.0
Strength to Weight: Bending, points 16
4.3
Thermal Diffusivity, mm2/s 42
35
Thermal Shock Resistance, points 9.9
3.3

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0 to 0.0050
0 to 0.0020
Copper (Cu), % 0.7 to 1.3
0 to 0.050
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
0 to 0.070
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
87.8 to 89.7
Zinc (Zn), % 94.3 to 95.7
7.5 to 8.5