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R31233 Cobalt vs. Solder Alloy 801

R31233 cobalt belongs to the cobalt alloys classification, while solder alloy 801 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
53
Elongation at Break, % 17
33
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 85
20
Tensile Strength: Ultimate (UTS), MPa 1020
55

Thermal Properties

Latent Heat of Fusion, J/g 320
64
Melting Completion (Liquidus), °C 1350
200
Melting Onset (Solidus), °C 1330
200
Specific Heat Capacity, J/kg-K 440
240
Thermal Conductivity, W/m-K 12
61
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
19

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.2
Embodied Carbon, kg CO2/kg material 8.4
14
Embodied Energy, MJ/kg 110
240
Embodied Water, L/kg 480
1140

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 33
2.1
Strength to Weight: Bending, points 26
4.4
Thermal Diffusivity, mm2/s 3.2
36
Thermal Shock Resistance, points 25
3.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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
0 to 0.050
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
0 to 0.070
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
89.9 to 91.5
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
8.5 to 9.5