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Solder Alloy 103 vs. ZA-27

Solder alloy 103 belongs to the otherwise unclassified metals classification, while ZA-27 belongs to the zinc alloys. 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 solder alloy 103 and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
78
Elongation at Break, % 47
2.0 to 4.5
Poisson's Ratio 0.39
0.27
Shear Modulus, GPa 13
31
Tensile Strength: Ultimate (UTS), MPa 52
400 to 430

Thermal Properties

Latent Heat of Fusion, J/g 45
130
Melting Completion (Liquidus), °C 190
480
Melting Onset (Solidus), °C 180
380
Specific Heat Capacity, J/kg-K 180
530
Thermal Conductivity, W/m-K 50
130
Thermal Expansion, µm/m-K 24
26

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.9
5.0
Embodied Carbon, kg CO2/kg material 10
4.2
Embodied Energy, MJ/kg 180
80
Embodied Water, L/kg 910
570

Common Calculations

Stiffness to Weight: Axial, points 2.3
8.6
Stiffness to Weight: Bending, points 12
28
Strength to Weight: Axial, points 1.6
22 to 24
Strength to Weight: Bending, points 3.5
24 to 25
Thermal Diffusivity, mm2/s 30
47
Thermal Shock Resistance, points 4.3
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
25 to 28
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0060
Copper (Cu), % 0 to 0.080
2.0 to 2.5
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), % 38.8 to 40.5
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.080
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0 to 0.0030
Zinc (Zn), % 0 to 0.0010
69.3 to 73