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Solder Alloy 401 vs. Zamak 2

Solder alloy 401 belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. There are 24 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 401 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
100
Elastic (Young's, Tensile) Modulus, GPa 50
87
Elongation at Break, % 21
6.0
Poisson's Ratio 0.36
0.26
Shear Modulus, GPa 19
33
Tensile Strength: Ultimate (UTS), MPa 29
360

Thermal Properties

Latent Heat of Fusion, J/g 60
130
Melting Completion (Liquidus), °C 230
390
Melting Onset (Solidus), °C 230
380
Specific Heat Capacity, J/kg-K 220
410
Thermal Conductivity, W/m-K 66
110
Thermal Expansion, µm/m-K 22
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
25
Electrical Conductivity: Equal Weight (Specific), % IACS 17
35

Otherwise Unclassified Properties

Density, g/cm3 7.3
6.5
Embodied Carbon, kg CO2/kg material 15
3.0
Embodied Energy, MJ/kg 250
57
Embodied Water, L/kg 1200
380

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.5
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 1.1
15
Strength to Weight: Bending, points 2.9
17
Thermal Diffusivity, mm2/s 40
41
Thermal Shock Resistance, points 1.9
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 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0050
Copper (Cu), % 0.5 to 0.9
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 to 0.1
0
Tin (Sn), % 98.5 to 99.5
0 to 0.0030
Zinc (Zn), % 0 to 0.0010
92.2 to 94