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CC481K Bronze vs. Solder Alloy 181

CC481K bronze belongs to the copper alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC481K bronze and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
18
Elongation at Break, % 4.5
41
Poisson's Ratio 0.34
0.44
Shear Modulus, GPa 40
6.1
Tensile Strength: Ultimate (UTS), MPa 350
27

Thermal Properties

Latent Heat of Fusion, J/g 190
26
Melting Completion (Liquidus), °C 1000
310
Melting Onset (Solidus), °C 880
300
Specific Heat Capacity, J/kg-K 370
130
Thermal Conductivity, W/m-K 64
24
Thermal Expansion, µm/m-K 18
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.4

Otherwise Unclassified Properties

Density, g/cm3 8.7
11
Embodied Carbon, kg CO2/kg material 3.7
6.2
Embodied Energy, MJ/kg 60
100

Common Calculations

Stiffness to Weight: Axial, points 6.9
0.86
Stiffness to Weight: Bending, points 18
7.7
Strength to Weight: Axial, points 11
0.66
Strength to Weight: Bending, points 13
1.8
Thermal Diffusivity, mm2/s 20
16
Thermal Shock Resistance, points 13
3.8

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0010
Antimony (Sb), % 0 to 0.050
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), % 87 to 89.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.020
Lead (Pb), % 0 to 0.25
96.2 to 98
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.1
0 to 0.010
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 10 to 11.5
0 to 0.25
Zinc (Zn), % 0 to 0.5
0 to 0.0010