... ".AISI304,AISI316L. 3.DIN,SMS,ISO,IDF,AS,BS,BPE Standard Stainless Steel Seamless Pipe (ISO9001:2008,CE,TUV certified)Specification: DN10-DN300 ... , outer surface glass polished Ra less than 0.8μm. Standard: DIN, SMS, ISO, IDF, RJT, AS, BS, BPE Application: Dairy ... valves and can manufacture them according to any design. Sanitary Stainless Steel Seamless Pipe(tube)