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Solder Alloy 171 vs. CC481K Bronze

Solder alloy 171 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 171 and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
90
Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 45
4.5
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
40
Tensile Strength: Ultimate (UTS), MPa 48
350

Thermal Properties

Latent Heat of Fusion, J/g 47
190
Melting Completion (Liquidus), °C 180
1000
Melting Onset (Solidus), °C 180
880
Specific Heat Capacity, J/kg-K 190
370
Thermal Conductivity, W/m-K 50
64
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
10
Electrical Conductivity: Equal Weight (Specific), % IACS 12
10

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 13
3.7
Embodied Energy, MJ/kg 210
60

Common Calculations

Stiffness to Weight: Axial, points 2.4
6.9
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.5
11
Strength to Weight: Bending, points 3.3
13
Thermal Diffusivity, mm2/s 30
20
Thermal Shock Resistance, points 3.7
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.2
0 to 0.050
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
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), % 34.7 to 36.7
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), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 61.5 to 62.5
10 to 11.5
Zinc (Zn), % 0 to 0.0010
0 to 0.5