silicon nitride riser pipe has excellent corrosion resistance, low thermal expansion coefficient and good thermal shock resistance, no slag, no cracking, long service life and the like. Its excellent oxidation resistance, thermal shock resistance and non-wetting properties with metal solutions such as aluminum melt make it an ideal material for the metallurgical low pressure casting industry.
silicon nitride riser pipe are mainly used for low-pressure casting of aluminum alloy products, especially for low-pressure casting machines for automobiles, motorcycle wheels and other components. In the working time, it is placed in the holding furnace of the aluminum alloy solution sealed in the die casting machine, and is directly in contact with the metal solution. The temperature is about 700 ° C, and the die casting machine applies a certain air pressure to the aluminum solution liquid level every 3-5 minutes to apply the aluminum solution. From the riser pipe to the mold cavity for casting, to achieve automation and continuity. The aluminum water filling process has a pressure of 0.8 to 1 kg/cm2, and the liquid lifting pipe is required to have excellent thermal shock resistance, excellent corrosion resistance, high strength and good airtightness.
With years of experience in the production of silicon nitride combined with silicon carbide products, our company independently researches and develops a production system of high-quality high-performance silicon nitride riser pipes, and supplies a large number of riser pipes for a long time. The life cycle of the riser pipe is mostly about 1 month. According to the requirements of the customer's drawings, we can produce various types of pipettes for you, and look forward to working with you to achieve win-win.
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