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CR011A Copper vs. Solder Alloy 123

CR011A copper belongs to the copper alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 24 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 CR011A copper and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
18
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.44
Shear Modulus, GPa 43
6.2
Tensile Strength: Ultimate (UTS), MPa 220
28

Thermal Properties

Latent Heat of Fusion, J/g 210
26
Melting Completion (Liquidus), °C 1090
310
Melting Onset (Solidus), °C 1040
300
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 390
23
Thermal Expansion, µm/m-K 17
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
75
Density, g/cm3 9.0
11
Embodied Carbon, kg CO2/kg material 2.6
4.5
Embodied Energy, MJ/kg 42
74
Embodied Water, L/kg 340
500

Common Calculations

Stiffness to Weight: Axial, points 7.2
0.9
Stiffness to Weight: Bending, points 18
7.8
Strength to Weight: Axial, points 6.8
0.69
Strength to Weight: Bending, points 9.0
1.8
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 7.8
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 99.88 to 99.97
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.030 to 0.050
0 to 0.1
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0010