Stainless steel pipe fittings are a general term for various stainless steel pipe connection workpieces, which can be divided into different categories according to shape, use, connection method, etc. It has the characteristics of easy installation, high performance and durability, and has a wide range of applications in various pipeline construction and installation. Stainless steel pipe fittings can be divided into stainless steel tee, stainless steel flange, stainless steel size head, stainless steel elbow, stainless steel pipe cap, stainless steel seal and so on. Iron and steel are distinguished by the amount of carbon they contain. Iron-carbon alloys with carbon content below 2% are steel, and those with carbon content above 2% are called iron. Steel is widely used because of its toughness, elasticity and rigidity. What we are exposed to in life is steel, but people call it different. For stainless steel, whether the magnet is attracted or not, as long as it meets its quality standards, it is stainless steel.