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Mar 12, 2024Straightening Method Of Straight Seam Steel PipeStraight seam welded pipe, with hot-rolled or cold-rolled steel plate or steel strip coil welding made of steel pipe in the welding equipment for straight seam welding to get th... -
Mar 12, 2024Factors Affecting The Processing Of HFW PipeThe main process parameters of high-frequency LSAW pipe include welding heat transfer. Welding pressure, welding speed, opening angle, position and size of the induction coil, p... -
Mar 12, 2024How To Maintain Galvanised Steel PipesSeamless steel pipes have been widely used in industrial production, thanks in large part to their good properties. In order to be able to take full advantage of the good proper... -
Mar 11, 2024Causes Of Welding CracksWelding cracks are gaps caused by the formation of new interfaces due to damage to the binding force of metal atoms in local areas of the welded joint under the combined action ... -
Mar 11, 2024Elimination Of Surface Scratches On Welded PipesSpiral welded pipes are made by rolling low-carbon carbon structural steel or low-alloy structural steel strips into pipe blanks at a certain spiral angle (called forming angle)... -
Mar 11, 2024Pipe Packaging MethodsPipe packaging is to protect pipes from damage and contamination. Commonly used packaging methods include plastic film packaging, carton packaging, wooden box packaging and pall... -
Mar 08, 2024The Role Of Post-weld HeatPost-weld heat is a measure to heat or insulate the weld zone after the weld bevel has been filled. -
Mar 08, 2024How To Prevent Undercutting And Underfusion When WeldingThe immediate danger of under-welding to a welded structure is the reduction of the load-bearing cross-sectional area and mechanical properties of the welded joint. The stress c... -
Mar 08, 2024Considerations For Butt WeldingButt welding is a method of welding by placing the weldment between two clamping devices so that their end faces are aligned, and welding is carried out by applying electric hea... -
Mar 07, 2024Needs Of Preheating And Heat Treatment Of Special Material Welded PipeFor special material welded pipe, heat treatment is required before and after welding, which is crucial to the quality of welding. -
Mar 07, 2024How To Prevent Port Deformation Of Large Diameter LSAW PipeNowadays large diameter LSA steel pipe is widely used in many fields, such as oil and gas transmission. The ports of large diameter LSA steel pipe should be standard round, but ... -
Mar 07, 2024Influence Of Chemical Elements On The Properties Of Steel TubesWe have summarised the properties of the different metal elements contained in the tubes according to their quality and properties.





