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The basic requirements of the electrode
Mar 21, 2018

(1) It is easy to start the arc to ensure the stability of the arc, and the splash is small during the welding process.

(2) The melting speed of the coating should be slower than the melting speed of the core, to create a trumpet sleeve (the length of the sleeve should be smaller than the diameter of the core), which is conducive to the transfer of droplets and creates a protective atmosphere;

(3) The specific gravity of the slag should be less than that of the molten metal, the solidification temperature should be slightly lower than the solidification temperature of the metal, and the slag crust should be easily removed.

(4) Alloying and metallurgical treatment;

(5) Adapt to welding in various locations.

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