304 stainless steel tube

304 stainless steel is one kind of universal, which is widely used to produce good performance (corrosion resistance and formability) equipment and parts. 304 stainless steel is produced in accordance with the United States ASTM standard of a grade of stainless steel. 304 equivalent to our country's 0Cr19Ni9 (0Cr18Ni9) stainless steel. 304 19% chromium, 9% nickel. The 304 is the most widely used stainless steel, heat-resistant steel, steel, steel industry utility. For food production equipment, general chemical equipment, nuclear energy, etc..

　　A high alloy steel corrosion resistance in the air or chemical corrosive medium, in order to maintain the inherent corrosion resistance of stainless steel, steel must contain at least 12% chromium.