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You're viewing: Home >>Tungsten Powder

Tungsten Powder

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. Impure 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 strenghth


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.(μm)

O2 ( %,Max. )

04

BET:<0.10

0.80

06

BET:0.10~0.20

0.50

08

Fsss: ≥0.8~1.0

0.40

10

Fsss:>1.0~1.5

0.30

15

Fsss: >1.5~2.0

0.30

20

Fsss: >2.0~3.0

0.25

30

Fsss: >3.0~4.0

0.25

40

Fsss: >4.0~5.0

0.25

50

Fsss: >5.0~7.0

0.25

70

Fsss: >7.0~10.0

0.20

100

Fsss: >10.0~15.0

0.20

150

Fsss: >15.0~20.0

0.10

200

Fsss: >20.0~30.0

0.10

300

Fsss: >30.0

0.10

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.

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