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C72800 Copper-nickel vs. Solder Alloy 191

C72800 copper-nickel belongs to the copper alloys classification, while solder alloy 191 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
19
Elongation at Break, % 3.9 to 23
32
Poisson's Ratio 0.34
0.43
Shear Modulus, GPa 44
6.5
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
29

Thermal Properties

Latent Heat of Fusion, J/g 210
27
Melting Completion (Liquidus), °C 1080
300
Melting Onset (Solidus), °C 920
300
Specific Heat Capacity, J/kg-K 380
130
Thermal Conductivity, W/m-K 55
24
Thermal Expansion, µm/m-K 17
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.2

Otherwise Unclassified Properties

Density, g/cm3 8.8
11
Embodied Carbon, kg CO2/kg material 4.4
5.8
Embodied Energy, MJ/kg 68
95

Common Calculations

Stiffness to Weight: Axial, points 7.4
0.93
Stiffness to Weight: Bending, points 19
8.0
Strength to Weight: Axial, points 17 to 40
0.72
Strength to Weight: Bending, points 16 to 30
1.9
Thermal Diffusivity, mm2/s 17
16
Thermal Shock Resistance, points 19 to 45
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0010
Antimony (Sb), % 0 to 0.020
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.0010
0 to 0.1
Boron (B), % 0 to 0.0010
0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 78.3 to 82.8
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.020
Lead (Pb), % 0 to 0.0050
92.4 to 94
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0 to 0.010
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0
Silver (Ag), % 0
1.2 to 1.8
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
4.8 to 5.2
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0 to 0.0010
Residuals, % 0 to 0.3
0