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R30003 Cobalt vs. Solder Alloy 131

R30003 cobalt belongs to the cobalt alloys classification, while solder alloy 131 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 R30003 cobalt and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
38
Elongation at Break, % 10 to 73
47
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 83
14
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
31

Thermal Properties

Latent Heat of Fusion, J/g 310
46
Melting Completion (Liquidus), °C 1400
180
Melting Onset (Solidus), °C 1440
180
Specific Heat Capacity, J/kg-K 450
190
Thermal Conductivity, W/m-K 13
55
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
12

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 8.0
11
Embodied Energy, MJ/kg 110
180
Embodied Water, L/kg 400
940

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 32 to 57
1.0
Strength to Weight: Bending, points 26 to 38
2.5
Thermal Diffusivity, mm2/s 3.3
33
Thermal Shock Resistance, points 26 to 45
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.2 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Boron (B), % 0 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 10 to 20.5
0 to 0.020
Lead (Pb), % 0
35.5 to 37.3
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010