... Pipe For Water Well/Oilfield Drilling/Geological Mining: Grade:G105 OD:2 7/8"(73mm) WT:9.19mm Length:R1-R3 ... R1,R2,R3 Steel GadeE75, G105, S135,X95Specification OD2 7/8" (73mm) Internal CoatingTC2000,TC3000,TK34,TK34p HardbandingARNCO 100XT,200XT, ... well drilling, geothermal wells drilling, Forepoling, coal and nonferrous metal mining projects Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated ...