The cemented carbide composite roll water quality requirment

The cemented carbide composite roll water quality requirment:Because of the negative effect of heat corrosion,thermal fatigue and thermal stress,the net-shaped thermal fatigue crack usually appears while the collar working,with the increase of cracks,small parts may come off and even the roll rings is broken.we adopt the cooling method to reduce the bad effect,pervent the cracks…

Advantages of graphite electrodes

Graphite electrode, mainly made of petroleum coke and needle coke, coal tar pitch as binder, is prepared by calcination, compounding, kneading, pressing, roasting, graphitization and machining, and is released in the form of electric arc in electric arc furnace. The conductor that heats and melts the charge of the electric charge can be classified into…