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CC497K Bronze vs. Solder Alloy 191

CC497K bronze belongs to the copper alloys classification, while solder alloy 191 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 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 CC497K bronze and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
19
Elongation at Break, % 6.7
32
Poisson's Ratio 0.36
0.43
Shear Modulus, GPa 34
6.5
Tensile Strength: Ultimate (UTS), MPa 190
29

Thermal Properties

Latent Heat of Fusion, J/g 160
27
Melting Completion (Liquidus), °C 870
300
Melting Onset (Solidus), °C 800
300
Specific Heat Capacity, J/kg-K 330
130
Thermal Conductivity, W/m-K 53
24
Thermal Expansion, µm/m-K 20
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.2

Otherwise Unclassified Properties

Density, g/cm3 9.3
11
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 48
95

Common Calculations

Stiffness to Weight: Axial, points 5.5
0.93
Stiffness to Weight: Bending, points 16
8.0
Strength to Weight: Axial, points 5.6
0.72
Strength to Weight: Bending, points 7.8
1.9
Thermal Diffusivity, mm2/s 17
16
Thermal Shock Resistance, points 7.2
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0010
Antimony (Sb), % 0 to 0.75
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), % 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
92.4 to 94
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
1.2 to 1.8
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
4.8 to 5.2
Zinc (Zn), % 0 to 2.0
0 to 0.0010