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Solder Alloy 104 vs. CC491K Bronze

Solder alloy 104 belongs to the otherwise unclassified metals classification, while CC491K 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 104 and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
110
Elongation at Break, % 46
13
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 13
40
Tensile Strength: Ultimate (UTS), MPa 51
260

Thermal Properties

Latent Heat of Fusion, J/g 45
190
Melting Completion (Liquidus), °C 190
980
Melting Onset (Solidus), °C 180
900
Specific Heat Capacity, J/kg-K 180
370
Thermal Conductivity, W/m-K 50
71
Thermal Expansion, µm/m-K 25
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 11
15

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 10
3.1
Embodied Energy, MJ/kg 180
51
Embodied Water, L/kg 900
350

Common Calculations

Stiffness to Weight: Axial, points 2.3
6.7
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 1.6
8.1
Strength to Weight: Bending, points 3.4
10
Thermal Diffusivity, mm2/s 30
22
Thermal Shock Resistance, points 4.0
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.050
0 to 0.25
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
81 to 87
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.3
Lead (Pb), % 39 to 40.5
4.0 to 6.0
Nickel (Ni), % 0 to 0.010
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 59.5 to 60.5
4.0 to 6.0
Zinc (Zn), % 0 to 0.0010
4.0 to 6.0