simon massJan 17, 20224 min readHow to Prevent Cracking of the Weld Seam of High Frequency Welded Pipe?In high-frequency longitudinally welded pipes (ERW welded pipe), the manifestations of cracks include long cracks, local periodic cracks...
simon massJan 17, 20221 min readPrecautions during the Use of LSAW Steel pipe1. Construction preparation before use of LSAW steel pipe Pipe trenches must be dug, pipe wells must be built, all kinds of straight seam...
simon massJan 17, 20223 min readAnalysis of Steel Pipe Pile Types and CharacteristicsSteel pipe piles are commonly used components in the construction of bridge pile foundations. It has the advantages of high bearing...
simon massJan 17, 20223 min readHigh Frequency Welded (HFW) PipeThe straight seam high frequency welded (HFW) pipe has the characteristics of simple production process and fast continuous production....
simon massJan 17, 20223 min readCommon Connection Method of PipelineAccording to the purpose and the pipe material, the commonly used connection methods of the construction pipeline are: threaded...
simon massJan 17, 20222 min readQuality Inspection Method of LSAW Welded PipeThere are many ways to inspect the quality of LSAW steel pipes, among which physical methods are also the most commonly used inspection...
simon massJan 17, 20223 min readERW Casing, API Steel Casing PipeERW Casing-Casing made of electric welded pipe as raw material ERW (Electric Resistant Weld) steel pipe refers to a straight seam welded...
simon massJan 17, 20223 min readSeamless Casing, API Steel Casing Pipe ConnectionThere are two main raw materials for oil casing pipe: Seamless casing and ERW casing. Today, we mainly discuss seamless casing. Seamless...
simon massJan 17, 20224 min readAdvantages and Disadvantages of High-frequency Welded Pipe Forming MethodsThe high-frequency welded pipe (ERW steel pipe) forming roll is an important part of the welded pipe unit and the technical core of the...
simon massJan 17, 20223 min readThe Origin and Development of Electric Resistance Welded PipeThe seamless welded pipe production technology was invented in Germany, and the technology since then is mainly in Germany. The United...
simon massJan 17, 20223 min readCommon Defects and Prevention of Welded PipeDefects produced in the actual production of high-frequency welded pipes (erw steel pipe) are sometimes not caused by one reason, but are...
simon massJan 17, 20222 min readAnti-corrosion Treatment Method for Inner and Outer Walls of Seamless Steel PipeCompared with traditional pipes, seamless steel pipes have lighter raw materials, high strength, good durability, can withstand higher...
simon massJan 17, 20222 min readCauses of Cracking of Seamless Steel PipesRecently, our company’s small partners often encountered customer feedback in the process of talking with customers. In their previous...
simon massJan 17, 20222 min readCauses of Pits on the Surface of Seamless Steel PipesThe surface problem of seamless steel pipes is the most common one in the process of purchasing seamless steel pipes by all customers. We...
simon massJan 17, 20222 min readInfluencing Factors of the Inner Hole Finish of Cold Drawn Seamless Steel PipeHow much smoothness of the inner hole of the cold drawn seamless steel pipe can be achieved? This is mainly based on the customer’s...
simon massJan 17, 20222 min readWelding Distortion Correction MethodGenerally, the deformation of welded parts does not need to be corrected. Only when the post-weld deformation exceeds the technical...
simon massJan 17, 20223 min readWeld Treatment of High Frequency Straight Seam Steel PipeHigh-frequency straight seam steel pipe (ERW welded pipe) is based on the principle of electromagnetic induction and the skin effect,...
simon massJan 17, 20223 min readSignificance of Proximity Effect to the Production of High-frequency Welded PipesIn addition to the skin effect, the proximity effect is another feature of current. When alternating currents of equal magnitude and...
simon massJan 17, 20224 min readHow to Avoid the Quality Defects of Welded Pipe in Sizing Section?Dimensional tolerance defects, surface defects and straightness defects are common defects of welded pipes in the sizing section. 1....
simon massJan 17, 20222 min readThe Background and Classification of Upset TubingUpset tubing, as the name suggests, is to thicken the tubing to make the tubing more robust and durable. The thickness of a standard pipe...
