... graphite,Special carburizing treatment graphite materialCHARACTERISTIC :1. Characterized by high temperature resistance ,corrosion resistance, good thermal shock resistance ,good ... ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc.5. Anticorrosion material: Widely used in petroleum, chemical ... melting and reduction. Boats and trays for sintering. High quality graphite sheet