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EN 2.4964 Cobalt vs. Solder Alloy 702

EN 2.4964 cobalt belongs to the cobalt alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 22 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 EN 2.4964 cobalt and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
51
Elongation at Break, % 40
21
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 86
19
Tensile Strength: Ultimate (UTS), MPa 960
53

Thermal Properties

Latent Heat of Fusion, J/g 290
61
Melting Completion (Liquidus), °C 1630
220
Melting Onset (Solidus), °C 1550
220
Specific Heat Capacity, J/kg-K 400
220
Thermal Conductivity, W/m-K 15
62
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
15
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
18

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.4
Embodied Carbon, kg CO2/kg material 9.8
17
Embodied Energy, MJ/kg 140
290

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 21
17
Strength to Weight: Axial, points 28
2.0
Strength to Weight: Bending, points 23
4.2
Thermal Diffusivity, mm2/s 3.9
38
Thermal Shock Resistance, points 25
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
2.8 to 3.2
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
96.3 to 97.2
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.0010