304 stainless steel is a common material in stainless steel with a density of 7.93 g/cm³. 304 stainless steel contains more than 18% chromium and more than 8% nickel; high temperature resistance of 800 ℃, with good processing performance, high toughnes
Due to the special crystal structure of boron nitride powder, boron nitride has excellent physical properties, electrical insulation, thermal conductivity, lubricity, chemical stability, etc., and plays an important role in industrial development.
They are mainly used in the manufacture of boilers and pressure vessels. The steel plates for boilers and pressure vessels can be fabricated into device that are subject to certain pressure, temperature and medium, so they are required to possess high str
Round steel refers to a solid strip of steel with a round cross section. Round steel is divided into three types: hot rolling, forging and cold drawing.The specification of hot rolled round steel is 5.5-250 mm.