Ms erw pipe

Ms erw pipe is also called straight seam electric resistance welded pipe. The ms erw pipe generally produces smaller calibers, generally in the case of DN600. The large-diameter is generally double-sided submerged arc welded steel pipe. The utility model has the advantages that the welding speed is large, the welding heat affected zone is small, the welding can not clean the workpiece, the thin wall pipe can be welded, and the metal pipe can be welded. Ms erw pipe process: slitting-opening-steel leveling-head-tail shearing-strip butt-slip-storing-storing-forming-welding-clearing burrs-sizing-inspection-flying-first inspection ―Steel straightening - pipe section processing - hydraulic test - flaw detection - printing and coating - finished products. Ms erw pipes are mainly used in water supply engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, and urban construction.

Ms erw pipe has been continuously improved due to advances in technology for more than ten years, so that its application range has been rapidly expanded. Its main advantages are:

a. Straight seam high-frequency resistance welded steel pipe does not add any chemical components during the welding process, and the welding quality depends mainly on the quality of the base metal. In recent years, due to the continuous improvement of the quality of hot rolled coils, the quality of the welds has been improved in the pipe making process. Even if the quality of the welds is slightly insufficient, the quality of the entire steel pipe will not be affected.

b. In recent years, due to the advancement of automation technology, the main parameters of resistance welding can be optimized by computer control, so that the welding quality is greatly improved.

c. Straight seam high-frequency resistance welded steel pipe has small residual stress and high strength.

d. Straight seam high-frequency electric resistance welded steel pipe has high geometrical accuracy, which is convenient for on-site installation, butt joint welding and anti-corrosion construction.

e. Straight seam high-frequency resistance welded steel pipe has a short weld bead, which means improved reliability.

f. Straight seam high-frequency electric resistance welded steel pipe has a price advantage, and its price is much lower than that of straight seam double-sided submerged arc welded steel pipe. However, due to the lack of weld quality in straight seam high-frequency electric resistance welded steel pipes, external anti-corrosion treatment is required.