... . 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, ... ,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee,cross,reducer,sight glass,manhole cover, ... them according to any design. Sanitary Stainless Steel Seamless Pipe(tube)