OCTG casing includes guide casing, surface casing, technical casing, oil layer casing, etc....
OCTG Casing is a large-diameter pipe that holds the wall or bore of an oil and gas well. The outer diameter of OCTG Casing is typically 114.3 mm to 508 mm....
Three-layer polyethylene (3PE) coating pipe are widely used in pipeline for good corrosion resistance, water vapor permeability resistance and mechanical properties....
Spiral steel pipe is a spiral seam steel pipe welded by double-sided submerged arc welding process, which is made of strip coil as raw material....
Straight seam steel pipes can be divided into high frequency straight seam steel pipes and submerged arc welded straight seam steel pipes(UOE, RBE and JCOE steel pipes)...
Treatment method of anticorrosion steel pipes is one of the key factors that determine the anticorrosion service life of pipelines. ...
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