Stainless steel pipe is a metal pipe with characteristics such as corrosion resistance, high temperature resistance, high strength, and aesthetics. It is mainly composed of elements such as chromium, nickel, molybdenum, and has excellent corrosion resistance, and can be used in harsh environments such as acid, alkali, and salt. At the same time, stainless steel pipes also have good mechanical properties and can withstand significant pressure and tension, widely used in pipeline systems in fields such as petroleum, chemical, pharmaceutical, and food. Stainless steel pipes have a high surface finish, are easy to clean, have a beautiful appearance and good decorative performance, and are therefore widely used in fields such as architecture, furniture, and automobiles. Main Grades and Standards Standards …