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Solder Alloy 123 vs. C11600 Copper

Solder alloy 123 belongs to the otherwise unclassified metals classification, while C11600 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 123 and the bottom bar is C11600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
120
Elongation at Break, % 45
2.7 to 50
Poisson's Ratio 0.44
0.34
Shear Modulus, GPa 6.2
43
Tensile Strength: Ultimate (UTS), MPa 28
230 to 410

Thermal Properties

Latent Heat of Fusion, J/g 26
210
Melting Completion (Liquidus), °C 310
1080
Melting Onset (Solidus), °C 300
1030
Specific Heat Capacity, J/kg-K 130
390
Thermal Conductivity, W/m-K 23
390
Thermal Expansion, µm/m-K 29
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 75
35
Density, g/cm3 11
9.0
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 74
42
Embodied Water, L/kg 500
390

Common Calculations

Stiffness to Weight: Axial, points 0.9
7.2
Stiffness to Weight: Bending, points 7.8
18
Strength to Weight: Axial, points 0.69
7.2 to 13
Strength to Weight: Bending, points 1.8
9.4 to 14
Thermal Diffusivity, mm2/s 16
110
Thermal Shock Resistance, points 3.8
8.2 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
99.78 to 99.915
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 93.5 to 95.5
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0.085 to 0.12
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.1