2021-12-06 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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2021-12-01 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
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2021-11-26 What is the code for corrosion resistance of 316L stainless steel pipe?1. 316 stainless steel is a kind of stainless steel containing molybdenum. Due to the molybdenum in the steel, the overall performance of this steel is better than 310 and 304 stainless steel. Under high-temperature conditions, w
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2021-11-23 Causes and preventive measures of undercut of submerged arc welded steel pipeWhat is the undercut of submerged arc welded steel pipe?The undercut is a product defect produced during high-speed welding is spiral submerged arc welded pipes. This defect makes the weld seem particularly affected. And th
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