Red Head Tungsten Electrode WT20 2% Thoriated Tungsten Needle For TIG Welding
Brief Introduction
Red head tungsten electrode also called tungsten needle, tungsten pin, is 2% Thoriated Tungsten Electrode WT20.
It is doped with 2% thorium oxide, featuring low arc starting current, excellent arc stability, high temperature resistance and long service life.
Widely used in DC TIG welding for carbon steel, stainless steel, alloy steel and thick plate industrial welding.
Key Features
- 1 Low ignition current, easy arc start and re-ignition
- 2 Extremely stable arc, less spatter, smooth welding bead
- 3 High temperature resistance, strong anti-ablation performance
- 4 Longer service life than pure tungsten electrode
- 5 Good conductivity, suitable for long-time continuous welding
- 6 Strictly follow AWS A5.12 & ISO 6848 standard, red color marking
Application
- · Applicable Welding Type: DC TIG Welding
- · Suitable Materials: Carbon steel, stainless steel, low alloy steel, high temperature alloy, copper alloy
- · Widely used in: Pressure vessel, pipeline engineering, mechanical manufacturing, boiler welding, heavy industry fabrication
Specifications
Common Size:
1.6mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm, 4.0mm
Standard Length: 150mm / 175mm
Color: Red Head
Model: WT20 / EWTh-2
Material: 98% Tungsten + 2% Thorium Oxide
Packaging
10 pieces per vacuum tube, standard export packaging
Moisture-proof, oxidation-proof, easy for storage and transportation
Advantage
- 1 Professional industrial grade raw material, stable quality batch by batch
- 2 Good straightness and concentricity, not easy to shake during welding
- 3 High cost performance, factory direct supply
- 4 Support custom size and OEM package

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