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Solder Alloy 811 vs. C82500 Copper

Solder alloy 811 belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. There are 23 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 811 and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
120
Elongation at Break, % 38
1.0 to 20
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 19
45
Tensile Strength: Ultimate (UTS), MPa 53
550 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 63
240
Melting Completion (Liquidus), °C 200
980
Melting Onset (Solidus), °C 190
860
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 59
130
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
20
Electrical Conductivity: Equal Weight (Specific), % IACS 17
21

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 14
10
Embodied Energy, MJ/kg 240
160
Embodied Water, L/kg 1200
310

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.0
18 to 35
Strength to Weight: Bending, points 4.3
17 to 27
Thermal Diffusivity, mm2/s 35
38
Thermal Shock Resistance, points 3.3
19 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.15
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Beryllium (Be), % 0
1.9 to 2.3
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.050
95.3 to 97.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 87.8 to 89.7
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 7.5 to 8.5
0 to 0.1
Residuals, % 0
0 to 0.5