Cobalt Powder

cobalt powderCobalt is a hard, lustrous, gray metal, a chemical element with symbol Co and atomic number 27. Although cobalt-based colors and pigments have been used since ancient times for making jewelry and paints, and miners have long used the name kobold ore for some minerals, the free metallic cobalt was not prepared and discovered until 1735 by Georg Brandt.

Cobalt is used in the preparation of magnetic, wear-resistant, and high-strength alloys. Cobalt blue gives a distinctive deep blue color to glass, ceramics, inks, paints, and varnishes. Cobalt-60 is a commercially important radioisotope, used as a tracer and in the production of gamma rays for industrial use.

Cobalt is an essential trace element for all multicellular organisms as the active center of coenzymes called cobalamins. These include vitamin B-12 which is essential for mammals. Cobalt is also an active nutrient for bacteria, algae, and fungi, and may be a necessary nutrient for all life.

Cobalt Powder Application:

*Cobalt powder is used in good-quality Cemented Carbide Adhesives, Battery materials, Diamond Tools, Magnetic Materials etc.

 *Widely used in the metallurgical products of hard alloys, diamond

Cobalt Powder Grades:

Grade

F.s.s.s(um)

Oxygen% Max.

Cobalt%

Scott density g/in3

Type A

Type B

Co06

0.6-0.9

0.6

≥99.8

7-9

8-11

Co12

1.0-1.4

0.5

≥99.8

8-10

11-13

Co25

2.0-3.0

0.4

≥99.8

9-13

13-15

Trace elements for cobalt powder:

 Element

Max. %

Typical %

C

0.03

0.02

Ca

0.02

0.005

Cu

0.01

0.005

Fe

0.03

0.008

Mg

0.01

0.002

Mn

0.01

0.001

Na

0.02

0.005

Ni

0.02

0.01

S

0.005

0.0005

Si

0.01

0.002

Detailed description to Cobalt Powder:  

Purity %

99.0

Melting Point °C

1495

Boiling Point °C

2900

Density G/Cm3

8.92

Vickers Hardness @ 20 °C

253

Coef. of Exp. @ 20 °C

12.5 x 10-6

Elec Resistivity Microhm-Cm

6.24

Crystal Structure

Hex

Appearance

Grey

If you have any interest in cobalt powder, please feel free to contact us by email: sales@chinatungsten.com or by telephone:+86 592 5129696.

 

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