Hot Dipped Galvanized Welded Steel Pipe

Hot Dipped Galvanized Welded Steel Pipe
　　Standard:API, ASTM, DIN, GB, JIS, JIS A55
　　Grade:20#, 16Mn, API J55, API K55
　　Outer Diameter(Round):219 - 3220 mm
　　Type:welded
　　Wall thickness:4-18mm
　　Thickness:4 - 32 mm
　　Origin:China
　　Specification: GB/T3091-2001. ASTM A53-1996. BS1387-1985
　　Outer Diameter:219-3220mm
　　Material:Carbon steel
　　Trademark:Shengtian