Oil Pipeline, API 5L Pipeline

　Oil Pipeline, API 5L Pipeline 　　Model NO.: gas pipeline 　　Technique: Hot Rolled 　　Surface Treatment: Black 　　Section Shape: Round 　　Trademark: Shengtian 　　Origin: China 　　Type: Seamless 　　Material: Carbon Steel 　　Usage: Pipeline Transport, Special Purpose, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration 　　API5l: B,X42,X52,X60 　　Specification: OD from 1/2inch to 42inch - See more at: http://www.strpipeline.com/product/oilpipe/274.html#sthash.GCz6tw3i.dpuf