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ZA-27 vs. Solder Alloy 131

ZA-27 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 (13, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
38
Elongation at Break, % 2.0 to 4.5
47
Poisson's Ratio 0.27
0.39
Shear Modulus, GPa 31
14
Tensile Strength: Ultimate (UTS), MPa 400 to 430
31

Thermal Properties

Latent Heat of Fusion, J/g 130
46
Melting Completion (Liquidus), °C 480
180
Melting Onset (Solidus), °C 380
180
Specific Heat Capacity, J/kg-K 530
190
Thermal Conductivity, W/m-K 130
55
Thermal Expansion, µm/m-K 26
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
11
Electrical Conductivity: Equal Weight (Specific), % IACS 53
12

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.8
Embodied Carbon, kg CO2/kg material 4.2
11
Embodied Energy, MJ/kg 80
180
Embodied Water, L/kg 570
940

Common Calculations

Stiffness to Weight: Axial, points 8.6
2.4
Stiffness to Weight: Bending, points 28
13
Strength to Weight: Axial, points 22 to 24
1.0
Strength to Weight: Bending, points 24 to 25
2.5
Thermal Diffusivity, mm2/s 47
33
Thermal Shock Resistance, points 14 to 15
2.4

Alloy Composition

Aluminum (Al), % 25 to 28
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 0.0060
0 to 0.0020
Copper (Cu), % 2.0 to 2.5
0 to 0.080
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 0.0060
35.5 to 37.3
Magnesium (Mg), % 0.010 to 0.020
0
Nickel (Ni), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0030
62.5 to 63.5
Zinc (Zn), % 69.3 to 73
0 to 0.0010