Tungsten Electrode, Cerium Tungsten Electrode, Tig Welding Electrode.

Short Description:

Tig welding is a method of arc welding that uses argon or other inert gases as a shielding gas, and is mainly used for high-quality welding of metallic materials such as stainless steel, aluminium and its alloys. This welding method is favoured for its ability to provide a clean, unadulterated weld. In TIG welding, the role of electrode is very crucial.

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The Production Method Of Tungsten Electrode

Raw material preparation: The raw materials for producing tungsten electrode are mainly tungsten powder or tungsten rod. These raw materials must meet specific chemical composition and purity requirements. Tungsten powder is usually made from tungsten ore through several steps of extraction and refining, while tungsten rods are prepared through smelting, pressing and sintering processes.

Tungsten electrode forming: Tungsten electrodes are usually formed by pressing, extrusion or injection moulding. In this step, tungsten powder or tungsten rods are processed into electrode blanks of desired shapes.

Sintering: After moulding, the electrode blanks need to be sintered in order to make them have a dense structure, high hardness and good mechanical and electrical conductivity. Sintering is usually carried out at high temperatures so that the tungsten particles combine to form a solid structure under solid state conditions.

Machining and shaping: After sintering, tungsten electrodes need to be machined and shaped to achieve precise size and shape requirements. This may involve machining processes such as grinding, turning and drilling.

Surface treatment: In order to improve the corrosion and oxidation resistance of tungsten electrodes, special surface treatments such as polishing, coating or surface plating are usually required.

Quality inspection: Quality inspection of finished tungsten electrodes, including appearance inspection, size measurement, chemical composition analysis, etc., to ensure that they meet customer requirements and relevant standards.

The Use Of Tungsten Electrode

 TIG welding: TIG welding is a common welding method used to weld stainless steel, aluminium and other metal materials. In TIG welding, a tungsten electrode acts as an arc former and as a conductive medium for the welding current.

Gas Shielded Metal Arc Welding (GMAW, also known as MIG/MAG welding): In GMAW welding, the tungsten electrode is not directly involved in the formation of the arc, but rather serves as an arc guide for guiding the arc between the torch and the weld material. This welding method is typically used to weld materials such as carbon steel, stainless steel and aluminium.

Plasma Cutting: Tungsten electrodes are also used as a key component in the plasma cutting process. In plasma cutting, the metal is cut by forming a plasma arc on the surface of the workpiece, and the tungsten electrode plays a key role in guiding and conducting electricity during this process.

Plasma Welding: In the plasma welding process, tungsten electrodes are used to generate and maintain a high-temperature plasma arc to melt and join the metal workpieces. This welding method is commonly used for welding materials such as high temperature alloys and stainless steel.

Cladding: In the cladding process, tungsten electrodes are used to generate a high-temperature arc to melt welding rods or wires, which are sprayed onto the surface of the base material to improve surface hardness, abrasion resistance and corrosion resistance.


Electrode diameter (mm) Length (mm) Colour code Scope of application
1.0 150 or 175 Pessimistic Suitable for small current welding, precision workpieces
1.6 150 or 175 Pessimistic Widely used for medium current welding of various metals
2.4 150 or 175 Pessimistic Ideal for thicker materials and higher currents, including stainless steel and aluminium alloys.
3.2 150 or 175 Pessimistic For high-current welding, suitable for thick plates or applications requiring deep fusion depths

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