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EN 2.4964 Cobalt vs. Solder Alloy 181

EN 2.4964 cobalt belongs to the cobalt alloys classification, while solder alloy 181 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 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
18
Elongation at Break, % 40
41
Poisson's Ratio 0.29
0.44
Shear Modulus, GPa 86
6.1
Tensile Strength: Ultimate (UTS), MPa 960
27

Thermal Properties

Latent Heat of Fusion, J/g 290
26
Melting Completion (Liquidus), °C 1630
310
Melting Onset (Solidus), °C 1550
300
Specific Heat Capacity, J/kg-K 400
130
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 12
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
7.4

Otherwise Unclassified Properties

Density, g/cm3 9.6
11
Embodied Carbon, kg CO2/kg material 9.8
6.2
Embodied Energy, MJ/kg 140
100

Common Calculations

Stiffness to Weight: Axial, points 13
0.86
Stiffness to Weight: Bending, points 21
7.7
Strength to Weight: Axial, points 28
0.66
Strength to Weight: Bending, points 23
1.8
Thermal Diffusivity, mm2/s 3.9
16
Thermal Shock Resistance, points 25
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
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 0.080
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
96.2 to 98
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
2.0 to 3.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.25
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.0010