Borewell Casing Pipe Types Tianjin Grand Victory Petroleum Equipment Co., Ltd Base Info Type:SeamlessTechnique:Hot RolledMaterial:Alloy SteelSurface Treatment:VarnishingUsage:Oil,Gas DrillingSection Shape:RoundSpecification:13-3,8Origin:China Description Pre:ASTM A358 TP304L Annealed Bright Stainless Welded Pipe Next:Cold Rolled Stainless Steel Sheet/Plate