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Solder Alloy 711 vs. CR023A Copper

Solder alloy 711 belongs to the otherwise unclassified metals classification, while CR023A copper belongs to the copper alloys. 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 solder alloy 711 and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
120
Elongation at Break, % 19
15
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 49
220

Thermal Properties

Latent Heat of Fusion, J/g 61
210
Melting Completion (Liquidus), °C 220
1090
Melting Onset (Solidus), °C 220
1040
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 58
380
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
100
Electrical Conductivity: Equal Weight (Specific), % IACS 16
100

Otherwise Unclassified Properties

Density, g/cm3 7.4
9.0
Embodied Carbon, kg CO2/kg material 17
2.6
Embodied Energy, MJ/kg 290
41

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.2
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 1.8
6.8
Strength to Weight: Bending, points 4.0
9.0
Thermal Diffusivity, mm2/s 35
110
Thermal Shock Resistance, points 3.1
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0 to 0.00050
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0.3 to 0.7
99.9 to 99.995
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
0 to 0.0050
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.0050 to 0.013
Silver (Ag), % 2.8 to 3.2
0 to 0.015
Tin (Sn), % 95.6 to 96.9
0
Zinc (Zn), % 0 to 0.0010
0