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Cobalt

Description

General

Magnetic upto 1000. Available as powder, wire, rod and sheet.

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-0.28 -0.28 V Idemat 2003
0.07 0.07 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8700 8900 kg/m³ Idemat 2003
0.4 0.4 % Idemat 2003
MPa
J/cm
MPa
230 700 MPa Idemat 2003
MPa
135 200 MPa Idemat 2003
207000 210000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1490 1495 °C Idemat 2003
°C
410 420 J/kg.K Idemat 2003
69 70 W/m.K Idemat 2003
12 13 e-6/K Idemat 2003

Environment

6.79 mPt
6.34 Pt
165000 mELU
34.97 MJ/MJ
144 MJ
4.57 kg
0.1 kg
The winning of cobalt is often a byproduct of copper production. The typical metal content is 0, 1%. The world resources are 1483000 tonne. At the current year production of 33000 ton this results in a RI of 45 year. Important producers are Zaire (36%) and CIS (20%). The US EPA regulates releases of Cobalt to the environment by setting permissible exposition limits for cobalt and its derivates

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