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Zamak 3 vs. Solder Alloy 704

Zamak 3 belongs to the zinc alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. There are 23 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 3 and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
14
Elastic (Young's, Tensile) Modulus, GPa 86
51
Elongation at Break, % 11
30
Poisson's Ratio 0.25
0.36
Shear Modulus, GPa 33
19
Tensile Strength: Ultimate (UTS), MPa 280
55

Thermal Properties

Latent Heat of Fusion, J/g 120
62
Melting Completion (Liquidus), °C 390
240
Melting Onset (Solidus), °C 380
220
Specific Heat Capacity, J/kg-K 410
220
Thermal Conductivity, W/m-K 110
50
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
13
Electrical Conductivity: Equal Weight (Specific), % IACS 38
15

Otherwise Unclassified Properties

Density, g/cm3 6.4
7.5
Embodied Carbon, kg CO2/kg material 3.0
19
Embodied Energy, MJ/kg 57
320

Common Calculations

Stiffness to Weight: Axial, points 7.5
3.8
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 12
2.1
Strength to Weight: Bending, points 15
4.3
Thermal Diffusivity, mm2/s 43
30
Thermal Shock Resistance, points 8.6
3.5

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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 to 0.25
0 to 0.050
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
0 to 0.070
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.030
0
Silver (Ag), % 0
4.8 to 5.2
Tin (Sn), % 0 to 0.0030
94.3 to 95.2
Zinc (Zn), % 95.3 to 96.5
0 to 0.0010