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Solder Alloy 124 vs. CR003A Copper

Solder alloy 124 belongs to the otherwise unclassified metals classification, while CR003A copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 124 and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
120
Elongation at Break, % 46
15
Poisson's Ratio 0.44
0.34
Shear Modulus, GPa 5.8
43
Tensile Strength: Ultimate (UTS), MPa 27
230

Thermal Properties

Latent Heat of Fusion, J/g 24
210
Melting Completion (Liquidus), °C 330
1090
Melting Onset (Solidus), °C 320
1040
Specific Heat Capacity, J/kg-K 130
390
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 29
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
100

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 11
9.0
Embodied Carbon, kg CO2/kg material 4.1
2.6
Embodied Energy, MJ/kg 68
41
Embodied Water, L/kg 470
310

Common Calculations

Stiffness to Weight: Axial, points 0.83
7.2
Stiffness to Weight: Bending, points 7.6
18
Strength to Weight: Axial, points 0.65
7.1
Strength to Weight: Bending, points 1.8
9.3
Thermal Diffusivity, mm2/s 15
110
Thermal Shock Resistance, points 3.9
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
0 to 0.00040
Arsenic (As), % 0 to 0.030
0 to 0.00050
Bismuth (Bi), % 0 to 0.1
0 to 0.00020
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
99.954 to 100
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.0010
Lead (Pb), % 97.2 to 98.2
0 to 0.00050
Nickel (Ni), % 0 to 0.010
0
Oxygen (O), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0 to 0.1
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0