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Solder Alloy 122 vs. C55280 Copper

Solder alloy 122 belongs to the otherwise unclassified metals classification, while C55280 copper belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 122 and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 20
110
Poisson's Ratio 0.43
0.34
Shear Modulus, GPa 6.9
40
Tensile Strength: Ultimate (UTS), MPa 30
180

Thermal Properties

Latent Heat of Fusion, J/g 27
190
Melting Completion (Liquidus), °C 300
790
Melting Onset (Solidus), °C 270
640
Specific Heat Capacity, J/kg-K 140
410
Thermal Expansion, µm/m-K 28
16

Otherwise Unclassified Properties

Density, g/cm3 11
8.5
Embodied Carbon, kg CO2/kg material 5.0
4.2
Embodied Energy, MJ/kg 84
67

Common Calculations

Stiffness to Weight: Axial, points 1.0
6.9
Stiffness to Weight: Bending, points 8.2
19
Strength to Weight: Axial, points 0.77
5.9
Strength to Weight: Bending, points 2.0
8.3
Thermal Shock Resistance, points 3.9
7.4

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 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
90.5 to 91.4
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 88.4 to 90.5
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
6.8 to 7.2
Silver (Ag), % 0 to 0.1
1.8 to 2.2
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15