Casing API 5CT Steel Pipe Hebei Changfeng Steel Tube Manufacturing Group Co., Ltd. Base Info Type:SeamlessTechnique:Hot RolledSurface Treatment:Black Paint,PE CoatedUsage:Oil,ConstrucSection Shape:RoundTrademark:CFSTOrigin:ChinaHS Code:7306190000 Description Pre:X42 PSL2 API Line Pipe Next:Manufacturer of High Quality Oil Quenched & Tempered Spring Steel Wire