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R30012 Cobalt vs. Solder Alloy 112

R30012 cobalt belongs to the cobalt alloys classification, while solder alloy 112 belongs to the otherwise unclassified metals. 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 R30012 cobalt and the bottom bar is solder alloy 112.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
33
Elongation at Break, % 1.0
35
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 86
12
Tensile Strength: Ultimate (UTS), MPa 830
41

Thermal Properties

Latent Heat of Fusion, J/g 320
41
Melting Completion (Liquidus), °C 1470
220
Melting Onset (Solidus), °C 1280
180
Specific Heat Capacity, J/kg-K 440
180
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
10

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 8.3
9.4
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 480
830

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 26
1.2
Strength to Weight: Bending, points 22
2.8
Thermal Diffusivity, mm2/s 3.8
30
Thermal Shock Resistance, points 23
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
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
Carbon (C), % 1.4 to 2.0
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 47.5 to 64.1
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
0 to 0.020
Lead (Pb), % 0
49 to 50.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.010
Silicon (Si), % 0 to 2.0
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
49.5 to 50.5
Tungsten (W), % 7.5 to 9.5
0
Zinc (Zn), % 0
0 to 0.0010