Hot Dipped Galvanized Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification: Material: Q195, ... 0450*4508.0-25.0StandardB/T6728:2002 , ASTM A500 , JIS G3466 , EN10210 ,EN10219, ASTM A500 Gr. A.B.C.PaintedPainted pipe ... , automotive industry, railway, highway guardrail, container frame, furniture, decoration, steel structure etc. 3,Product show: (1).Processing technology(2 ...