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G105 Drill Pipe made in china Shengtian

s135 drill pipe
PIC-(G105 Drill Pipe made in china Shengtian)
  G105 Drill Pipe made in china Shengtian

  Specifications

  1.Non-Standards

  2.OD:79.4mm-279.4mm

  3.Certifactes: ISO ,API 7-1

  4.Moq: 2tons

  5.Spiral Drill Collar DC

  Integral heavy weight  Drill Pipe

  The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. These drill collar bars are full-length heat treated and water quenched to obtain ASTM A-370 mechanical properties. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 BHN and an impact value of 40 ft.-lbs. at room temperature one inch below the surface.

  1. Usage : One of the most important components of the drill string is to provide drilling bit ofpressure and the drill string rigid role.

  2. Standard : API 7, API 7-1 and SY/T standards.

  3. Material : AISI 4145 H .

  4. Types:drill pipes anddrill collars

  5 Size : OD : 3 1/8”---11”, Length : 10’---31’

  6.Brand:Shengtian

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