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Solder Alloy 141 vs. R30006 Cobalt

Solder alloy 141 belongs to the otherwise unclassified metals classification, while R30006 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 141 and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
220
Elongation at Break, % 39
1.0
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 13
85
Tensile Strength: Ultimate (UTS), MPa 54
900

Thermal Properties

Latent Heat of Fusion, J/g 46
320
Melting Completion (Liquidus), °C 190
1400
Melting Onset (Solidus), °C 180
1290
Specific Heat Capacity, J/kg-K 180
450
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 11
7.8
Embodied Energy, MJ/kg 180
110
Embodied Water, L/kg 970
500

Common Calculations

Stiffness to Weight: Axial, points 2.3
14
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 1.7
29
Strength to Weight: Bending, points 3.6
24
Thermal Diffusivity, mm2/s 29
3.9
Thermal Shock Resistance, points 4.3
26

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), % 2.0 to 3.0
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.080
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), % 35.9 to 38.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 3.0
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.0010
0