High mechanical properties drill pipe: Grade:DZ50,E75,X95,G105, ... API drill pipes and joints. Detaild Product Description:High mechanical properties drill pipe :Grade:DZ50,E75,X95,G105,S135, ... geothermal wells drilling, Forepoling, coal and nonferrous metal mining projects Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated ... .795.000127.0 mm0.50012.70 mm High mechanical properties drill pipe