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C82200 Copper vs. Solder Alloy 704

C82200 copper belongs to the copper alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. There are 22 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 C82200 copper and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
51
Elongation at Break, % 8.0 to 20
30
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 44
19
Tensile Strength: Ultimate (UTS), MPa 390 to 660
55

Thermal Properties

Latent Heat of Fusion, J/g 220
62
Melting Completion (Liquidus), °C 1080
240
Melting Onset (Solidus), °C 1040
220
Specific Heat Capacity, J/kg-K 390
220
Thermal Conductivity, W/m-K 180
50
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
13
Electrical Conductivity: Equal Weight (Specific), % IACS 46
15

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 4.8
19
Embodied Energy, MJ/kg 74
320

Common Calculations

Stiffness to Weight: Axial, points 7.4
3.8
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 12 to 20
2.1
Strength to Weight: Bending, points 13 to 19
4.3
Thermal Diffusivity, mm2/s 53
30
Thermal Shock Resistance, points 14 to 23
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Beryllium (Be), % 0.35 to 0.8
0
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 1.0 to 2.0
0 to 0.010
Silver (Ag), % 0
4.8 to 5.2
Tin (Sn), % 0
94.3 to 95.2
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.5
0