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CC491K Bronze vs. Solder Alloy 171

CC491K bronze belongs to the copper alloys classification, while solder alloy 171 belongs to the otherwise unclassified metals. 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 CC491K bronze and the bottom bar is solder alloy 171.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
16
Elastic (Young's, Tensile) Modulus, GPa 110
38
Elongation at Break, % 13
45
Poisson's Ratio 0.34
0.39
Shear Modulus, GPa 40
14
Tensile Strength: Ultimate (UTS), MPa 260
48

Thermal Properties

Latent Heat of Fusion, J/g 190
47
Melting Completion (Liquidus), °C 980
180
Melting Onset (Solidus), °C 900
180
Specific Heat Capacity, J/kg-K 370
190
Thermal Conductivity, W/m-K 71
50
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
12
Electrical Conductivity: Equal Weight (Specific), % IACS 15
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.1
13
Embodied Energy, MJ/kg 51
210

Common Calculations

Stiffness to Weight: Axial, points 6.7
2.4
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 8.1
1.5
Strength to Weight: Bending, points 10
3.3
Thermal Diffusivity, mm2/s 22
30
Thermal Shock Resistance, points 9.3
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0010
Antimony (Sb), % 0 to 0.25
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 81 to 87
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.020
Lead (Pb), % 4.0 to 6.0
34.7 to 36.7
Nickel (Ni), % 0 to 2.0
0 to 0.010
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
61.5 to 62.5
Zinc (Zn), % 4.0 to 6.0
0 to 0.0010