simon massJan 17, 20223 min readCauses of Well Casing Pipe Damage and Repairing TechnologyHow to prevent well casing pipe damage? How to repair well casing to restore its production? These are important questions in the...
simon massJan 17, 20222 min readCauses of Welding Deformation of Thin Steel PlateCauses of welding deformation of thin steel plate: 1. Analysis of welding deformation Welding uses heat to connect two workpieces, but...
simon massJan 17, 20222 min readHow to Do the Internal and External Anti-corrosion of Spiral Steel Pipe?The internal and external anti-corrosion practices of spiral steel pipes (SSAW) should meet the requirements of the design institute and...
simon massJan 17, 20223 min readMeasures to Avoid Warping at the End of Steel Pipe 3PE Anti-corrosion LayerThe three-layer polyethylene (3PE) anticorrosive coating has been widely used in the petroleum pipeline industry due to its good...
simon massJan 17, 20221 min readHow to Distinguish Inferior Spiral Steel Pipe?Spiral steel pipe(SSAW) is also called spiral welded pipe. It is made by rolling low-carbon structural steel or low-alloy structural...
simon massJan 17, 20223 min readProcess Difference between Straight Seam Steel Pipe and Spiral Steel PipeStraight seam steel pipes are steel pipes whose welds are parallel to the longitudinal direction of the steel pipe. Usually pided into...
simon massJan 17, 20222 min readHow to Eliminate Welding Residual Stress?Welding residual stress is the temperature difference inside the weldment caused by the heating and cooling process during welding, which...
simon massJan 17, 20223 min read3PE Coating Pipe, 3PE Anti-corrosion Steel Pipe3PE anticorrosive steel pipe base materials include seamless steel pipes, spiral steel pipes and straight seam steel pipes. The...
simon massJan 17, 20222 min readCommon Defects of Seamless Steel PipeAs a commonly used steel product, seamless steel pipe has certain defects due to various reasons. The common defects are as follows. 1....
simon massJan 17, 20222 min readThe Method of Seamless Steel Pipe to Achieve Hardness and High-quality Mechanical PropertiesSeamless steel pipes are widely used in mechanical manufacturing, because the mechanical performance of this steel is very good. But...
simon massJan 17, 20222 min readWhy are the Pipes for Industrial Boilers All Seamless Steel Pipes?Seamless steel pipes for boilers are high-quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel pipes used...
simon massJan 17, 20223 min readSteel Pipe Submerged Arc Welding ProcessThe submerged arc welding process(SAW) is suitable for the requirements of heavy industrial applications such as pipelines, pressure...
simon massJan 17, 20222 min readThe Importance of Preheating before WeldingPreheating refers to heating the workpiece to be welded to above room temperature before or during welding. According to the application...
simon massJan 17, 20222 min readOil Casing Pipe Hydraulic TestThe hydrostatic pressure test of oil casing pipe is an indispensable part of the steel pipe manufacturing process. Its function is to...
simon massJan 17, 20222 min readApplication Characteristics of Casing PipeOil casing drilling is also called percussion drilling. The wire rope is used to send the drill bit to the bottom of the well. The beam...
simon massJan 17, 20222 min readHow to Conduct Non-destructive Testing for Straight Seam Steel Pipes?After removing the root of the weld, double-sided weldments should be inspected. When using the oxyacetylene flame to cut the welding...
simon massJan 17, 20222 min readCharacteristics and Uses of Straight Seam Steel PipesCharacteristics of straight seam steel pipe: Straight seam steel pipe generally refers to the use of a special process to carry out...
simon massJan 17, 20222 min readAdvantages of LSAW Steel Pipe in Steel Structure DesignAdvantages of LSAW steel pipe in steel structure design are as follows: (1) The cross section of the straight seam steel pipe has good...
simon massJan 17, 20223 min readHeat Treatment of Straight Seam Steel PipeStraight seam steel pipe refers to a steel pipe whose weld seam is parallel to the length of the steel pipe. Its production process is...
simon massJan 17, 20227 min readMain Equipment of High Frequency Welded Pipe Production LineMain equipment of high frequency straight seam welded pipe (ERW welded pipe) production line: 1. Uncoiler The hot-rolled steel strip is...
