MakeItFrom.com
Menu (ESC)

Zamak 7 vs. Solder Alloy 131

Zamak 7 belongs to the zinc alloys classification, while solder alloy 131 belongs to the otherwise unclassified metals. 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 Zamak 7 and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
38
Elongation at Break, % 13
47
Poisson's Ratio 0.25
0.39
Shear Modulus, GPa 33
14
Tensile Strength: Ultimate (UTS), MPa 280
31

Thermal Properties

Latent Heat of Fusion, J/g 120
46
Melting Completion (Liquidus), °C 390
180
Melting Onset (Solidus), °C 380
180
Specific Heat Capacity, J/kg-K 410
190
Thermal Conductivity, W/m-K 110
55
Thermal Expansion, µm/m-K 27
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 38
12

Otherwise Unclassified Properties

Density, g/cm3 6.4
8.8
Embodied Carbon, kg CO2/kg material 3.0
11
Embodied Energy, MJ/kg 57
180
Embodied Water, L/kg 380
940

Common Calculations

Stiffness to Weight: Axial, points 7.5
2.4
Stiffness to Weight: Bending, points 23
13
Strength to Weight: Axial, points 12
1.0
Strength to Weight: Bending, points 15
2.5
Thermal Diffusivity, mm2/s 43
33
Thermal Shock Resistance, points 8.6
2.4

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0010
Antimony (Sb), % 0
0.2 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.075
0 to 0.020
Lead (Pb), % 0 to 0.0030
35.5 to 37.3
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0010
62.5 to 63.5
Zinc (Zn), % 95.3 to 96.5
0 to 0.0010