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Zamak 5 vs. Solder Alloy 181

Zamak 5 belongs to the zinc alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
18
Elongation at Break, % 6.3
41
Poisson's Ratio 0.25
0.44
Shear Modulus, GPa 33
6.1
Tensile Strength: Ultimate (UTS), MPa 330
27

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
24
Thermal Expansion, µm/m-K 27
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 37
7.4

Otherwise Unclassified Properties

Density, g/cm3 6.4
11
Embodied Carbon, kg CO2/kg material 3.0
6.2
Embodied Energy, MJ/kg 57
100

Common Calculations

Stiffness to Weight: Axial, points 7.5
0.86
Stiffness to Weight: Bending, points 23
7.7
Strength to Weight: Axial, points 14
0.66
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 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0050
0 to 0.0020
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
96.2 to 98
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
2.0 to 3.0
Tin (Sn), % 0 to 0.0030
0 to 0.25
Zinc (Zn), % 94.3 to 95.7
0 to 0.0010