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Solder Alloy 811 vs. CC497K Bronze

Solder alloy 811 belongs to the otherwise unclassified metals classification, while CC497K bronze belongs to the copper alloys. There are 23 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 solder alloy 811 and the bottom bar is CC497K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
93
Elongation at Break, % 38
6.7
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 19
34
Tensile Strength: Ultimate (UTS), MPa 53
190

Thermal Properties

Latent Heat of Fusion, J/g 63
160
Melting Completion (Liquidus), °C 200
870
Melting Onset (Solidus), °C 190
800
Specific Heat Capacity, J/kg-K 230
330
Thermal Conductivity, W/m-K 59
53
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.3
9.3
Embodied Carbon, kg CO2/kg material 14
3.0
Embodied Energy, MJ/kg 240
48
Embodied Water, L/kg 1200
370

Common Calculations

Stiffness to Weight: Axial, points 4.0
5.5
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 2.0
5.6
Strength to Weight: Bending, points 4.3
7.8
Thermal Diffusivity, mm2/s 35
17
Thermal Shock Resistance, points 3.3
7.2

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.75
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
67.5 to 77.5
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
18 to 23
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0.5 to 2.5
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 87.8 to 89.7
4.0 to 6.0
Zinc (Zn), % 7.5 to 8.5
0 to 2.0