Forming roll pass design is the basic requirement of correct selection of deformation zone length and the rational distribution of each frame deformation to eliminate the possibility of strip edges produce residual deformation.The forming quality directly affect the quality of weld

(1) forming from the strip edge of minimum relative elongation, and does not produce "bulge" and crease.
(2) the strip forming stability in the groove.
(3) the deformation is uniform and forming roll wear and tear to small and uniform.
(4) the energy consumption is small.
(5) forming process, to ensure the quality of welded pipe surface symbol standards and specifications.
(6) roll processing is convenient.

Hebei Abter is a leading supplier and exporter of  steel pipes in China. Abter is an exporting company who is jointly invested by 6 top steel factories ,with  the purpose to providing multiple products and professional services to the clients.we establish a long -term business relationship with many Group company.Our company is a large scale enterprise which manufacture and supply LSAW, fluid pipe, SSAW,ERW, DIN Tube, , alloy pipe, tubing, casing, line pipe, etc. With advanced technological equipment, tremendous technical strength and reliable product quality, our  steel pipes have been exported to the Middle East, Southeast Asia, Africa, South America, North America, Europe, Australia and many other countries and regions.