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Solder Alloy 113 vs. Zamak 7

Solder alloy 113 belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 113 and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 32
86
Elongation at Break, % 32
13
Poisson's Ratio 0.4
0.25
Shear Modulus, GPa 11
33
Tensile Strength: Ultimate (UTS), MPa 39
280

Thermal Properties

Latent Heat of Fusion, J/g 40
120
Melting Completion (Liquidus), °C 230
390
Melting Onset (Solidus), °C 180
380
Specific Heat Capacity, J/kg-K 170
410
Thermal Conductivity, W/m-K 46
110
Thermal Expansion, µm/m-K 26
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
38

Otherwise Unclassified Properties

Density, g/cm3 9.5
6.4
Embodied Carbon, kg CO2/kg material 8.9
3.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 800
380

Common Calculations

Stiffness to Weight: Axial, points 1.8
7.5
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 1.1
12
Strength to Weight: Bending, points 2.7
15
Thermal Diffusivity, mm2/s 28
43
Thermal Shock Resistance, points 3.4
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.0010
3.5 to 4.3
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.0020
Copper (Cu), % 0 to 0.080
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.075
Lead (Pb), % 53.4 to 55.5
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0 to 0.010
0.0050 to 0.020
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 44.5 to 45.5
0 to 0.0010
Zinc (Zn), % 0 to 0.0010
95.3 to 96.5