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api drill pipe specifications,api drill pipe sales

Inquiry
  Post Date: Nov 18,2013
  Expiry Date: Nov 18,2014
  Detailed Description: API standard E75 to S135 steel grade, diameter from 2 3/8 "to 5 1/2" series of drill pipe and high torsional properties of double shoulder joint drill pipe and special steel for sulfur wells level C95S drill pipe. Mainly used in oil and gas exploration and development in the process of deep wells, horizontal wells and the construction of large displacement wells.

Is the end of a threaded drill pipe, drilling surface for connecting the drilling equipment and in the end equipment or pilot hole drilling and grinding carbonyl devices. The purpose is to drill drilling mud delivered to the drill bit along with the increase, decrease or rotating bottom outlet means. Must be able to drill with internal and external pressure by RISE, twisting, bending and vibration. In the oil and gas exploration and refining process, the drill pipe can be used multiple times.
Fluorescent tubes and the original steel pipe after pipe made ​​after multiple processing steps. First of all, through thick steel processing step, the curved outer surface of the light pipe, pipe wall thickening. Next, for thread cutting and plated to increase the strength of copper. And non-destructive quality control inspection, followed by welding steel pipe joint. Then, the tube weld heat treatment and welding experience Experience ultimate treatment to eliminate residual pressure welded joint. In the finished drill pipe and packaging before crossing the paint on steel finished products some other testing, including hardness testing, stress testing and hair non-destructive testing.
Api Drill Pipe Specifications:
◆ Mechanical Properties
Steel Grade Yield Strength Tensile strength Elongation Impact AKV(J)
Min Max Min MIN 10*10
psi Mpa psi Mpa psi Mpa % (-20℃)
E75 75000 517 105000 724 100000 689 API 5DP ≥95
X97 95000 655 125000 862 105000 724 ≥81
G105 105000 724 135000 931 115000 793 ≥68
S135 135000 931 165000 1138 145000 1000 ≥54

◆ Mechanical Properties for welding zone
Steel Grade Min.Yield Strength
σt Mpa Min.Tensile
Strength σb Mpa Min.Elongation % Min Impact AKV(J)
E75 517 689 13 ≥30 10*10 20℃
X97 609 712
G105 655 724
S135 724 793


  Company: HENAN WEIN INDUSTRY CO.,LTD.     [ China ]        
  Contact: hewei
  Tel: 86-371-65807516
  Fax:
  Email: weindipipe@gmail.com
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