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Solder Alloy 162 vs. R31537 Cobalt

Solder alloy 162 belongs to the otherwise unclassified metals classification, while R31537 cobalt belongs to the cobalt alloys. 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 solder alloy 162 and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 35
220
Elongation at Break, % 36
14 to 23
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
87
Tensile Strength: Ultimate (UTS), MPa 41
1000 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 44
320
Melting Completion (Liquidus), °C 220
1360
Melting Onset (Solidus), °C 180
1290
Specific Heat Capacity, J/kg-K 180
450
Thermal Conductivity, W/m-K 47
13
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.1

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.4
Embodied Carbon, kg CO2/kg material 9.4
8.1
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 830
530

Common Calculations

Stiffness to Weight: Axial, points 2.1
15
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 1.2
33 to 44
Strength to Weight: Bending, points 2.8
26 to 32
Thermal Diffusivity, mm2/s 28
3.4
Thermal Shock Resistance, points 3.3
24 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
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 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 1.2 to 1.6
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.75
Lead (Pb), % 47.3 to 49.3
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0 to 0.010
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 49.5 to 50.5
0
Zinc (Zn), % 0 to 0.0010
0