Stainless steel welded pipe is widely used and has a large demand gap. Various industries have different requirements for stainless steel pipe, which leads to different implementation standards.

　　 product classification

　　 1. Mechanical structure pipe
　　Product executive standard: 　　ASTMA554　　GB/T12770-2002　　JIS3446　　European standard 10296-2

　　 2. Process fluid conveying pipe
　　Product executive standard: 　　ASTMA778 A312　　GB/T12771　　HG 20537　　EN 10217-7　　JisG3459

　　 3. Tubes for boilers and heat exchangers
　　Product executive standard: 　　ASTMA249　　GB/T24593　　JisG3459　　EN 10217　　DIN17457

        4, Food sanitation pipe
　　Product executive standard: 　　GB/T12771　　DIN11850　　EN 10217　　ISO2037　　 5. Thin-walled drinking stainless steel pipe
　　Product executive standard: 　　GB/12771　　GB/T19228　　EN10312　　JisG3448　　CJ/T151
　　Pipes for sanitary ware and high-end decorative products
　　The application environment of stainless steel welded pipe is different, and the implementation standard is also different.