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  • The Introduction Of graphite & carbon electrode

The Introduction Of graphite & carbon electrode

by ray / Wednesday, 08 September 2021 / Published in blogs

Graphite & carbon electrode is a non-metallic product. As a necessary cutting consumable before welding in the carbon arc gouging cutting process, it is made of carbon and graphite plus appropriate adhesive, through extrusion forming, after being baked at 2200 ℃ and then plated with a layer of copper. It has high temperature resistance, good conductivity, and is not easy to break. It is suitable for cutting metal into the required shape.

Graphite & carbon electrode is commonly used in the electric heater of high temperature vacuum furnace. The maximum operating temperature can reach 3000 ℃, and it is easy to oxidize at high temperature. Except for vacuum, it can only be used in neutral atmosphere or reductive atmosphere. Its thermal expansion coefficient is small, its thermal conductivity is large, its resistance coefficient is (8 ~ 13) × 10-6 Ω· m, its processability is better than that of SiC and MoSi2, its high temperature resistance, extreme cold and heat resistance are good, and its price is cheaper.

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