Tube Mill

Welded pipe and tube production is an important aspect of precision engineering. The dimensions and strength of the materials are carefully maintained. To provide you with quality standards materials, the same tolerance is maintained during the process. The metal is collected in the form of coils of a given thickness at an early stage. Until being processed, the metal coil is inspected. The raw material's consistency standards are governed by technical criteria and specifications. If there are some deviations, the metal coil is levelled and taken to the proper thickness.

Manufacturing Chart

Slitting is the next procedure performed on the coil. The thickness of the metal coil is cut into many pieces using carbide cutters or high-quality saw blades. Until manufacturing, these strips of the metal coil are ultrasonically inspected for defects. The ultrasonic waves are tuned to the right frequency, strength, and penetrating force, and then sent through the coil to detect defects of all kinds. Even the tiniest defects can be detected and eliminated using this method. As a result, the inspection process becomes streamlined, and the reports are available immediately, resulting in a cleaner and quicker process.

After that, the condensed strips go through a preliminary shaping phase. To give the metal its tubular appearance, complex rollers of various shapes are aligned. The pipe's form is determined along the production line. To achieve its tubular appearance, the pipe is welded along its length under a precise strain. Welding the pipe makes it solid and uniform. As a result, the welding process is critical for the professional. Electric resistance welding (ERW), which works on electric current and uses the heat provided by the electric resistance as a power source to perform welding, is an important part of welding. The electrodes provide the necessary strain. As the current passes through the electrodes, the metal's resistance to the current increases the heat produced, resulting in the formation of the requisite butt weld.

In contrast to traditional welding methods, ERW has good energy consumption, high productivity, fewer inconsistencies, fast automation, and no metal filler specifications. ERW (Electric Resistance Welded) pipes are another name for welded pipes and tubing. This procedure entails heating the metal above its recrystallization temperature, holding it there for a period of time, and then cooling it to increase the ductility or hardness of the metal. After annealing and water cooling, the pipe goes through an in-line sizing, fly cutting, and straightening operation.

Following these procedures, a specific dimension is obtained. The tubing is now subjected to hydrostatic and eddy current monitoring in order to ensure its accuracy. Hydrostatic inspection determines the metal's strength as well as any pipe leaks, while an Eddy current test identifies surface and subsurface flaws. Finally, the welded pipe and tubes are weighed and measured.

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