Integral heavy weight drill pipe

This kind of product is made of  AISI4145H alloy steel, mainly used between dill collar and dill pipe to ease transition stress concentration between dill collar and drill pipe and reduce the rate between contact area and outer wall wear. To avoid the wear and tear of dill pipe we add each 101m wide belt wear at the top and bottom of follow-welded joint and review 76m wide belt wear on the thickening of the central part of the governing body. To extend its life cycle we can also paint DPC spraying anti-corrosion coatings in the dill pipe wall.
  If order or inquiry please offer:
    · 18°shoulder chamfer
    · 90°shoulder chamfer

The cost of introducing:
The contact about this company is Fees Information, you must spend a small amount of money to obtain it. Click Here to see the price table.
Contact information:
Jiyuan Sanhe Zhengyuan Petroleum Machinery Co.,LTD
South of Sanhe Villiage, Sili Town, Jiyuan City, Henan, China[454650]
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