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Tungsten Tube

Tungsten Tube

Description

Tungsten tube, also called tungsten pipe, is widely applied in high temperature environments due to the features of tungsten that its melting point reaches 3410℃ and its density is above 18.2g/cm3. Our company can provide various tungsten tubes featuring high precision, finish surface, straight size and high temperature deformation.

Application

Tungsten tube is widely used in the thermocouple protection tube, sapphire crystal furnace and high temperature furnace, etc. And this tungsten tube is chiefly utilized for thermocouple protection tubes in the high temperature furnace, and supporting parts in the sapphire crystal furnace and high temperature sintering furnace, etc.

Advantages of Tungsten Tube

We can supply a complete set of testing equipment for physical properties like density, hardness, surface roughness and so on. Accordingly, the possible internal injury like porosity and crack can be strictly inspected with the eddy current tester and ultrasonic equipment so as to ensure the high quality of the tungsten tube.

Parameters of Tungsten Tube

Measurements and tolerances
Unit:mm
Specification Tolerance Thickness Roughness (μm)
Diameter Height Diameter Height
Sinter 10~500 10~750 ±5.0 ±5.0 8~20
Finished sinter 10~450 10~550 ±0.5 ±1.0 7~18 <2.5
Special sizes can be manufactured based on customers’ requirements.
Manufacturing process and equipment
Item Process Equipment Quality Check point
1 Tungsten powder 1 Purity of tungsten powder
2 Sieving High frequency vibrating screen 2 Fsss、HB
3 Mixed powder V shape mixer 3 Green strength
4 Isostatic pressing Isostatic pressing machine 1 Measurement of rough-processed billet
5 Rough billet lathing CNC vertical turning machine 2 Surface quality of rough-processed billet
6 IF sintering IF induction sintering furnace 1 Outside measurements of finished product
7 Competitive products lathing High-accuracy vertical turning machine 2 Surface quality and roughness of finished product,density
8 Package 3 Show certificate of quality

Operation and Attentions

Featuring being heavy and fragile, tungsten tubes must be lifted gently and steadily.

Features

1. Tungsten tube has fairly high purity above 99.95%.
2. The density is above 18.2 g/cm3.
3. Recommended working temperature is around 2300℃.

Packaging and Transportation

Tungsten tube is packed in plywood case and sent by ocean or air.

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