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R31233 Cobalt vs. Solder Alloy 161

R31233 cobalt belongs to the cobalt alloys classification, while solder alloy 161 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
38
Elongation at Break, % 17
44
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 85
14
Tensile Strength: Ultimate (UTS), MPa 1020
53

Thermal Properties

Latent Heat of Fusion, J/g 320
48
Melting Completion (Liquidus), °C 1350
190
Melting Onset (Solidus), °C 1330
180
Specific Heat Capacity, J/kg-K 440
190
Thermal Conductivity, W/m-K 12
49
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
11

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 8.4
11
Embodied Energy, MJ/kg 110
180
Embodied Water, L/kg 480
910

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 23
13
Strength to Weight: Axial, points 33
1.7
Strength to Weight: Bending, points 26
3.5
Thermal Diffusivity, mm2/s 3.2
29
Thermal Shock Resistance, points 25
4.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Boron (B), % 0 to 0.015
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
1.2 to 1.6
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 1.0 to 5.0
0 to 0.020
Lead (Pb), % 0
37.3 to 39.3
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0 to 0.010
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.050 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
59.5 to 60.5
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.0010