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CR018A Copper vs. Solder Alloy 502

CR018A copper belongs to the copper alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 22 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 CR018A copper and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
53
Elongation at Break, % 15
34
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 220
58

Thermal Properties

Latent Heat of Fusion, J/g 210
66
Melting Completion (Liquidus), °C 1090
350
Melting Onset (Solidus), °C 1040
220
Specific Heat Capacity, J/kg-K 390
230
Thermal Conductivity, W/m-K 390
47
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
15

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.4
Embodied Carbon, kg CO2/kg material 2.7
15
Embodied Energy, MJ/kg 42
260

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.0
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 6.8
2.2
Strength to Weight: Bending, points 9.0
4.5
Thermal Diffusivity, mm2/s 110
28
Thermal Shock Resistance, points 7.8
3.6

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 to 0.00050
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.914 to 99.94
3.5 to 4.5
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), % 0.060 to 0.080
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Zinc (Zn), % 0
0 to 0.0010