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Solder Alloy 502 vs. Zamak 2

Solder alloy 502 belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. 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 solder alloy 502 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
87
Elongation at Break, % 34
6.0
Poisson's Ratio 0.36
0.26
Shear Modulus, GPa 19
33
Tensile Strength: Ultimate (UTS), MPa 58
360

Thermal Properties

Latent Heat of Fusion, J/g 66
130
Melting Completion (Liquidus), °C 350
390
Melting Onset (Solidus), °C 220
380
Specific Heat Capacity, J/kg-K 230
410
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 22
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
35

Otherwise Unclassified Properties

Density, g/cm3 7.4
6.5
Embodied Carbon, kg CO2/kg material 15
3.0
Embodied Energy, MJ/kg 260
57

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.5
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.2
15
Strength to Weight: Bending, points 4.5
17
Thermal Diffusivity, mm2/s 28
41
Thermal Shock Resistance, points 3.6
11

Alloy Composition

Aluminum (Al), % 0 to 0.0010
3.5 to 4.3
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0050
Copper (Cu), % 3.5 to 4.5
2.5 to 3.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 0 to 0.070
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 93.8 to 95.7
0 to 0.0030
Zinc (Zn), % 0 to 0.0010
92.2 to 94