联系人 Ms. Amanda
132# Sujinercun, jiangri road, Pingjiang area, Suzhou, Jiangsu
Drill Pipe Standard: API 5D Specification: OD: 2 3/8"*6 5/8" Steel Grade: E*5, X*5, G**5, S**5 Internal Coating: TK*4, TC***0, TC***0 Hard banding: ARNCO **0XT, **0XT, **0XT, BOTN***0, ARMACORM Length: R1: 5.***6.*1m R2: 8.***9.*4m R3: *1.****3.*2m Usage: As the major part of drill stem, drill pipe connected with Kelly and drill collar, which is used to put torque to drill bit, and drill collar.
