... 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105, S135 3) All drill pipe are ... made according to API 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", ... external upset, IEU-internal & external upset4) All drill pipe are made according to API 5D5) We can provide ... GradeLengthInternal Coating Material The Main Technical Specification of Drill Pipe O.D.Steel GradeWall ThicknessUpset EndTool Joint ...