Dn1200 Sch40 API5l Gr B Spiral Steel Pipe

Dn1200 Sch40 API5l Gr B Spiral Steel Pipe 　　Model NO.: API5L GR B 　　Technique: Hot Rolled/ERW/LSAW 　　Surface Treatment: Anti-Corrosion 　　Section Shape: Round 　　Thickness: 3.0mm-45mm 　　Internal Coating: Cement Mortar Lining; Bitumen Coating; Liquid Epox 　　3lpe/3lpp Standard: DIN30670-1991 　　Trademark: Shengtian 　　Specification: Gr. A. SGS. ISO. 　　Type: Seamless/Welded 　　Material: Carbon Steel - See more at: http://www.strpipeline.com/product/spiral/263.html#sthash.ahVWnaO8.dpuf