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CR022A Copper vs. Solder Alloy 402

CR022A copper belongs to the copper alloys classification, while solder alloy 402 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is solder alloy 402.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
52
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 230
57

Thermal Properties

Latent Heat of Fusion, J/g 210
64
Melting Completion (Liquidus), °C 1090
310
Melting Onset (Solidus), °C 1040
230
Specific Heat Capacity, J/kg-K 390
230
Thermal Conductivity, W/m-K 380
61
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
7.3
Embodied Carbon, kg CO2/kg material 2.6
15
Embodied Energy, MJ/kg 41
250
Embodied Water, L/kg 310
1180

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.1
2.2
Strength to Weight: Bending, points 9.3
4.5
Thermal Diffusivity, mm2/s 110
37
Thermal Shock Resistance, points 8.1
3.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0 to 0.00040
0 to 0.1
Arsenic (As), % 0 to 0.00050
0 to 0.030
Bismuth (Bi), % 0 to 0.00020
0 to 0.1
Cadmium (Cd), % 0 to 0.00010
0 to 0.0020
Copper (Cu), % 99.99 to 99.999
2.5 to 3.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.0010
0 to 0.020
Lead (Pb), % 0 to 0.00050
0 to 0.070
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0 to 0.010
Phosphorus (P), % 0.0010 to 0.0060
0
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0 to 0.1
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
95.9 to 97.5
Zinc (Zn), % 0 to 0.00010
0 to 0.0010