Usage and functions of large-diameter straight seam welded pipes1. The use of large-diameter longitudinally welded pipes can be divided into oil well pipes (casings, tubing, and drill pipes, etc.), line pipes, boiler pipes, mechanical structure pipes, hydraulic prop pipes, gas cylinder pipes, geolog

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Selection of anticorrosive coatings for steel pipesThere are many types of anti-corrosion coatings, and their properties and uses are different. The correct selection is very important to the anti-corrosion effect and service life of the coating. When choosing:1. The nature of the surface material o

Classification of pipe pilesPipe piles are divided into post-tensioned pre-stressed pipe piles and pre-tensioned pre-stressed pipe piles, pre-stressed concrete pipe piles (PC pipe piles), and pre-stressed concrete thin-walled pipe piles (PTC pipe piles), and high-strength pre-stressed concrete pipes