Cemented carbide sealing ring is made of tungsten carbide powder as raw material, adding an appropriate amount of cobalt powder or nickel powder as binder, pressing into a ring through a certain die and sintering in a vacuum furnace or hydrogen reduction furnace. It is a common production and...
Cemented carbide sealing ring is made of tungsten carbide powder as raw material, adding an appropriate amount of cobalt powder or nickel powder as binder, pressing into a ring through a certain die and sintering in a vacuum furnace or hydrogen reduction furnace. It is a common production and...