Seamless Oil Casing L80

　　Name:Seamless Oil Casing L80

　　Technique: Hot Rolled

　　Surface Treatment: Black

　　Section Shape: Round

　　Type: Seamless

　　Material: Alloy Steel

　　Usage: Oil/Gas Drilling

　　Size: 139.7mm-339.7mm

　　Specification: 5-1/2" to 13-3/8"