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Solder Alloy 811 vs. CC481K Bronze

Solder alloy 811 belongs to the otherwise unclassified metals classification, while CC481K 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 CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
110
Elongation at Break, % 38
4.5
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 53
350

Thermal Properties

Latent Heat of Fusion, J/g 63
190
Melting Completion (Liquidus), °C 200
1000
Melting Onset (Solidus), °C 190
880
Specific Heat Capacity, J/kg-K 230
370
Thermal Conductivity, W/m-K 59
64
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
10
Electrical Conductivity: Equal Weight (Specific), % IACS 17
10

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.7
Embodied Carbon, kg CO2/kg material 14
3.7
Embodied Energy, MJ/kg 240
60
Embodied Water, L/kg 1200
390

Common Calculations

Stiffness to Weight: Axial, points 4.0
6.9
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.0
11
Strength to Weight: Bending, points 4.3
13
Thermal Diffusivity, mm2/s 35
20
Thermal Shock Resistance, points 3.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.050
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
87 to 89.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 0 to 0.070
0 to 0.25
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 87.8 to 89.7
10 to 11.5
Zinc (Zn), % 7.5 to 8.5
0 to 0.5