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You're viewing: Home >>Tungsten Powder Grades

Tungsten Powder Grades

The metallic element tungsten is not found free in nature, but in several ores. Tungsten is steel-gray to tin-white in color and, when very pure, can be forged, spun, drawin, and extruded. Pure tungsten is very brittle and difficult to work .

Tungsten is very resistant to corrosion and stable in dry air at room temperature. Tungsten's melting point exceeds that of all other metals and it has the lowest vapor pressure. At temperatures over 1650°C, tungsten has the highest tensile strength.

Grade

W
(%,Min.)

Impurities (%, Max. )

Al

As

Bi

Ca

Mg

Cd

Co

Cr

Cu

Fe

K

FW-1

99.9

0.001

0.0012

0.0001

0.002

0.001

0.0003

0.001

0.0015

0.0008

0.004

0.002

FW-2

99.8

0.0015

0.0015

0.0003

0.003

0.0015

0.0003

0.001

0.0015

0.001

0.008

0.003

Na

Mn

Mo

Ni

P

Pb

Sb

Si

Sn

Ti

V

C

-

0.002

0.0007

0.004

0.002

0.001

0.0001

0.0003

0.002

0.0001

0.0008

0.0008

0.005

-

0.003

0.001

0.01

0.004

0.002

0.0003

0.0005

0.004

0.0003

0.001

0.001

0.01

-

Divided into 14 grades according to Fsss.size

Grades

Fsss.(μ)

O2 ( %,Max. )

W-0

0.40~0.69

0.3

W-1

0.70~0.99

0.3

W-2

1.00~1.49

0.25

W-3

1.50~1.99

0.2

W-4

2.00~2.49

0.15

W-5

2.50~2.99

0.15

W-6

3.00~3.49

0.1

W-7

3.50~3.99

0.1

W-8

4.00~4.49

0.07

W-9

4.50~4.99

0.07

W-10

5.00~6.99

0.05

W-11

7.00~8.99

0.05

W-12

8.99~14.99

0.05

W-13

15.00~25.00

0.05

Fine Tungsten Powder - Average Particle sizes 1~2 micron
Coarse Tungsten Powder - Average Particle sizes 10.0 - 50.0 micron
Wide Spec Powder - Lower grade for use as plastic filler / nylon densifier
High Density Powder - Apparent Densities of >140 g/in3
Crystalline Powder - Mesh Sizes 60, 200, 325
Granulated Powder - Mesh Sizes 12, 20, 40, 60

Packing:In iron drums lined with double plastic bags of 50 or 100 kgs net each.
Note:Any particular requirements to the products can be discussed.

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