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Solder Alloy 401 vs. R30016 Cobalt

Solder alloy 401 belongs to the otherwise unclassified metals classification, while R30016 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
220
Elongation at Break, % 21
8.4
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
85
Tensile Strength: Ultimate (UTS), MPa 29
1010

Thermal Properties

Latent Heat of Fusion, J/g 60
320
Melting Completion (Liquidus), °C 230
1360
Melting Onset (Solidus), °C 230
1270
Specific Heat Capacity, J/kg-K 220
450
Thermal Conductivity, W/m-K 66
15
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.5
Embodied Carbon, kg CO2/kg material 15
7.7
Embodied Energy, MJ/kg 250
110
Embodied Water, L/kg 1200
500

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
33
Strength to Weight: Bending, points 2.9
26
Thermal Diffusivity, mm2/s 40
3.9
Thermal Shock Resistance, points 1.9
24

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 3.0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
0 to 3.0
Silicon (Si), % 0
0.2 to 2.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 98.5 to 99.5
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 0.0010
0