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C15900 Copper vs. Solder Alloy 124

C15900 copper belongs to the copper alloys classification, while solder alloy 124 belongs to the otherwise unclassified metals. There are 24 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 C15900 copper and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
17
Elongation at Break, % 6.5
46
Poisson's Ratio 0.34
0.44
Shear Modulus, GPa 43
5.8
Tensile Strength: Ultimate (UTS), MPa 720
27

Thermal Properties

Latent Heat of Fusion, J/g 210
24
Melting Completion (Liquidus), °C 1080
330
Melting Onset (Solidus), °C 1030
320
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 280
22
Thermal Expansion, µm/m-K 17
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 49
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 8.8
11
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 45
68
Embodied Water, L/kg 310
470

Common Calculations

Stiffness to Weight: Axial, points 7.2
0.83
Stiffness to Weight: Bending, points 18
7.6
Strength to Weight: Axial, points 23
0.65
Strength to Weight: Bending, points 20
1.8
Thermal Diffusivity, mm2/s 80
15
Thermal Shock Resistance, points 26
3.9

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0 to 0.0010
Antimony (Sb), % 0
0 to 0.12
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.27 to 0.33
0
Copper (Cu), % 97.5 to 97.9
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.040
0 to 0.020
Lead (Pb), % 0
97.2 to 98.2
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0.4 to 0.54
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0.66 to 0.74
0
Zinc (Zn), % 0
0 to 0.0010