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Solder Alloy 136 vs. R30035 Cobalt

Solder alloy 136 belongs to the otherwise unclassified metals classification, while R30035 cobalt belongs to the cobalt alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 136 and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 25
220 to 230
Elongation at Break, % 19
9.0 to 46
Poisson's Ratio 0.42
0.29
Shear Modulus, GPa 8.9
84 to 89
Tensile Strength: Ultimate (UTS), MPa 34
900 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 34
320
Melting Completion (Liquidus), °C 260
1440
Melting Onset (Solidus), °C 190
1320
Specific Heat Capacity, J/kg-K 150
440
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 90
100
Density, g/cm3 10
8.7
Embodied Carbon, kg CO2/kg material 6.8
10
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 680
410

Common Calculations

Stiffness to Weight: Axial, points 1.4
14 to 15
Stiffness to Weight: Bending, points 9.5
23 to 24
Strength to Weight: Axial, points 0.92
29 to 61
Strength to Weight: Bending, points 2.3
24 to 39
Thermal Diffusivity, mm2/s 26
3.0
Thermal Shock Resistance, points 3.6
23 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 2.0
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Boron (B), % 0
0 to 0.015
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
29.1 to 39
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 1.0
Lead (Pb), % 71.9 to 75
0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0 to 0.010
33 to 37
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 24.5 to 25.5
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.0010
0