Drill Pipe: Grade:DZ50,E75,X95,G105,S135,R780 OD: 42mm-127mm ... and joints. Detaild Product Description:Drill Pipe :Grade:DZ50,E75,X95,G105,S135,R780OD of pipe body:Φ42/Φ50/Φ60/Φ73/Φ89 ... wells drilling, Forepoling, coal and nonferrous metal mining projects Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated Plain-End weightOutside ...