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Tungsten Ground Plates

Because the melting point of tungsten has reached 3380°C, the tungsten plates are widely used in reflection shield. The cover plates are applied in the sapphire growth furnace, reflection shield, heating tape and so on. The connecting pieces are applied in vacuum furnace.

Quantity:
  • FOTMA
  • 81019910
Detailed Product Description
W Content: > 99.95% Density:: > 19.1 G / Cm3
Tolerance: + / - 0.05mm Surface: Black, Machined, Ground
Diameter: 1.0mm - 100mm Length: 10mm - 1200mm
 

 

99.95% Purity Tungsten Products, Tungsten Metal Wolfram Plates for Vacuum Furnace / Sapphire Growth

 

Because the melting point of tungsten has reached 3380°C, the tungsten plates are widely used in reflection shield. The cover plates are applied in the sapphire growth furnace, reflection shield, heating tape and so on. The connecting pieces are applied in vacuum furnace.

 

The features of the tungsten plates

The purity of the tungsten plats is higher than 99.95%. The density of the tungsten plates is 19.3g/cm3. The size of the tungsten plates is T0.05-50mmxW50-500mmxL100-1000mm. The surface of the tungsten plates is chemical cleaned or the polished. The tungsten plates meet the standard ASTM B760/GB T3875.

 

Application of tungsten plates

The tungsten plates are widely used in electronics, illumination, vacuum plating, electron-vacuum, shield and the high temperature furnace industry.

 

Pure tungsten plates specification

Purity  >=99.95%
Density 19.3g/cm3
Size T0.05-50mmxW50-500mmxL100-1000mm
Surface Chemical cleaned/polished
Standard ASTM B760/GB T3875

 

Specifications of Tungsten Plates

Tolerance for the tungsten plates

Thickness(mm)

Thickness Tolerance

Width(mm)

Width Tolerance(mm)

Length(mm)

Length Tolerance(mm)

width≤200mm

width≥200-400mm

>1.0-2.0

±0.15

±0.25

50-400

±2

50-1000

+5/-0

>2.0-3.0

±0.30

±0.30

50-400

±2

50-1000

+5/-0

>3.0-4.0

±0.30

±0.40

50-400

±2

50-1000

+5/-0

>4.0-8.0

±0.40

±0.50

50-400

±2

L

+5/-0

 

Material Testing Report of Pure Tungsten:

 

W  (> %)

Chemical  Content  (< %)

99.95
 

Fe

Ca

P

Sn

Al

Ni

N

Sb

Si

O

Pb

As

0.005

0.003

0.001

0.0001

0.002

0.003

0.003

0.001

0.003

0.003

0.0001

0.002

Mg

C

Bi

Mo

-

-

-

-

-

-

-

-

0.002

0.005

0.0001

0.001

-

-

-

-

-

-

-

-

 


1. Grade: W1, W2, W3, W4
2. Width*Length: (2.0-500.0mm)*(2.0-500.0mm)
3. Thickness: 0.2mm-15.0mm
4. Density: Purity 99.92%, 99.98% can also be achieved if special demanded.
5. Surface: Ground surface
 
Tungsten ground plates are widely used in ceramics, packaging materials, cable, shipbuilding, metallurgical machinery and electronics, leather industries.

Flatness
Flatness: Max. 3 %  determined in accordance with ASTM B760-86

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