... 5CT OCTG Seamless Steel Oil well Casing Pipe Outer Diameter:60.32--508mm Wall Thickness:4.24--38 ... Main market:USA,Middle east,North and South America, East and West Europe, South and southeast Asia,Australia,Africa, Place of ... Productivity6000Ton/Month Processing technology available:galvanzied,inner and outer stab clean,bevelled,threading,with coupling and plastic caps protected,packing in plastic ...