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Solder Alloy 171 vs. CC766S Brass

Solder alloy 171 belongs to the otherwise unclassified metals classification, while CC766S brass 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 171 and the bottom bar is CC766S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
120
Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 45
28
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 14
40
Tensile Strength: Ultimate (UTS), MPa 48
500

Thermal Properties

Latent Heat of Fusion, J/g 47
180
Melting Completion (Liquidus), °C 180
840
Melting Onset (Solidus), °C 180
800
Specific Heat Capacity, J/kg-K 190
390
Thermal Conductivity, W/m-K 50
89
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
36

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 210
48

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.3
Stiffness to Weight: Bending, points 13
20
Strength to Weight: Axial, points 1.5
17
Strength to Weight: Bending, points 3.3
18
Thermal Diffusivity, mm2/s 30
28
Thermal Shock Resistance, points 3.7
17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.3 to 1.8
Antimony (Sb), % 0 to 0.2
0 to 0.1
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
58 to 64
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.5
Lead (Pb), % 34.7 to 36.7
0 to 0.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 2.0
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
0 to 0.5
Zinc (Zn), % 0 to 0.0010
29.5 to 41.7