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C82000 Copper vs. Solder Alloy 122

C82000 copper belongs to the copper alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C82000 copper and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
20
Elongation at Break, % 8.0 to 20
30
Poisson's Ratio 0.34
0.43
Shear Modulus, GPa 45
6.9
Tensile Strength: Ultimate (UTS), MPa 350 to 690
30

Thermal Properties

Latent Heat of Fusion, J/g 220
27
Melting Completion (Liquidus), °C 1090
300
Melting Onset (Solidus), °C 970
270
Specific Heat Capacity, J/kg-K 390
140
Thermal Conductivity, W/m-K 260
25
Thermal Expansion, µm/m-K 17
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 46
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.9
11
Embodied Carbon, kg CO2/kg material 5.0
5.0
Embodied Energy, MJ/kg 77
84
Embodied Water, L/kg 320
540

Common Calculations

Stiffness to Weight: Axial, points 7.5
1.0
Stiffness to Weight: Bending, points 18
8.2
Strength to Weight: Axial, points 11 to 22
0.77
Strength to Weight: Bending, points 12 to 20
2.0
Thermal Diffusivity, mm2/s 76
17
Thermal Shock Resistance, points 12 to 24
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Beryllium (Be), % 0.45 to 0.8
0
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
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 0.020
88.4 to 90.5
Nickel (Ni), % 0 to 0.2
0 to 0.010
Silicon (Si), % 0 to 0.15
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.1
9.5 to 10.5
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.5
0