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CC497K Bronze vs. Solder Alloy 104

CC497K bronze belongs to the copper alloys classification, while solder alloy 104 belongs to the otherwise unclassified metals. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. 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 CC497K bronze and the bottom bar is solder alloy 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
37
Elongation at Break, % 6.7
46
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 34
13
Tensile Strength: Ultimate (UTS), MPa 190
51

Thermal Properties

Latent Heat of Fusion, J/g 160
45
Melting Completion (Liquidus), °C 870
190
Melting Onset (Solidus), °C 800
180
Specific Heat Capacity, J/kg-K 330
180
Thermal Conductivity, W/m-K 53
50
Thermal Expansion, µm/m-K 20
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
11

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 48
180
Embodied Water, L/kg 370
900

Common Calculations

Stiffness to Weight: Axial, points 5.5
2.3
Stiffness to Weight: Bending, points 16
12
Strength to Weight: Axial, points 5.6
1.6
Strength to Weight: Bending, points 7.8
3.4
Thermal Diffusivity, mm2/s 17
30
Thermal Shock Resistance, points 7.2
4.0

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0010
Antimony (Sb), % 0 to 0.75
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 67.5 to 77.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.25
0 to 0.020
Lead (Pb), % 18 to 23
39 to 40.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.5
0 to 0.010
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
59.5 to 60.5
Zinc (Zn), % 0 to 2.0
0 to 0.0010