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CR012A Copper vs. Solder Alloy 171

CR012A copper belongs to the copper alloys classification, while solder alloy 171 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is solder alloy 171.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
38
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.39
Shear Modulus, GPa 43
14
Tensile Strength: Ultimate (UTS), MPa 220
48

Thermal Properties

Latent Heat of Fusion, J/g 210
47
Melting Completion (Liquidus), °C 1090
180
Melting Onset (Solidus), °C 1040
180
Specific Heat Capacity, J/kg-K 390
190
Thermal Conductivity, W/m-K 390
50
Thermal Expansion, µm/m-K 17
24

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
13
Embodied Energy, MJ/kg 42
210

Common Calculations

Stiffness to Weight: Axial, points 7.2
2.4
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 6.8
1.5
Strength to Weight: Bending, points 9.0
3.3
Thermal Diffusivity, mm2/s 110
30
Thermal Shock Resistance, points 7.8
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.85 to 99.94
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
34.7 to 36.7
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
1.8 to 2.2
Tin (Sn), % 0
61.5 to 62.5
Zinc (Zn), % 0
0 to 0.0010