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C11000 Copper vs. Solder Alloy 702

C11000 copper belongs to the copper alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C11000 copper and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
51
Elongation at Break, % 1.5 to 50
21
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 220 to 410
53

Thermal Properties

Latent Heat of Fusion, J/g 210
61
Melting Completion (Liquidus), °C 1080
220
Melting Onset (Solidus), °C 1070
220
Specific Heat Capacity, J/kg-K 390
220
Thermal Conductivity, W/m-K 390
62
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
15
Electrical Conductivity: Equal Weight (Specific), % IACS 100
18

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.4
Embodied Carbon, kg CO2/kg material 2.6
17
Embodied Energy, MJ/kg 41
290

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.8
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 6.8 to 13
2.0
Strength to Weight: Bending, points 9.0 to 14
4.2
Thermal Diffusivity, mm2/s 110
38
Thermal Shock Resistance, points 8.0 to 15
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.9 to 100
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), % 0
0 to 0.010
Silver (Ag), % 0
2.8 to 3.2
Tin (Sn), % 0
96.3 to 97.2
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.1
0