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Solder Alloy 141 vs. R30816 Cobalt

Solder alloy 141 belongs to the otherwise unclassified metals classification, while R30816 cobalt belongs to the cobalt alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 141 and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
210
Elongation at Break, % 39
23
Poisson's Ratio 0.39
0.3
Shear Modulus, GPa 13
81
Tensile Strength: Ultimate (UTS), MPa 54
1020

Thermal Properties

Latent Heat of Fusion, J/g 46
300
Melting Completion (Liquidus), °C 190
1540
Melting Onset (Solidus), °C 180
1460
Specific Heat Capacity, J/kg-K 180
420
Thermal Conductivity, W/m-K 48
13
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.1
Embodied Carbon, kg CO2/kg material 11
20
Embodied Energy, MJ/kg 180
320
Embodied Water, L/kg 970
440

Common Calculations

Stiffness to Weight: Axial, points 2.3
13
Stiffness to Weight: Bending, points 13
22
Strength to Weight: Axial, points 1.7
31
Strength to Weight: Bending, points 3.6
25
Thermal Diffusivity, mm2/s 29
3.3
Thermal Shock Resistance, points 4.3
28

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
0.32 to 0.42
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
40 to 49.8
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 5.0
Lead (Pb), % 35.9 to 38.5
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.010
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tin (Sn), % 59.5 to 60.5
0
Tungsten (W), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.0010
0