China ERW 20 Welded Pipe Mill Line (HG20) China Manufacturer

China ERW 20 Welded Pipe Mill Line (HG20)

Basic Info

Product Description

  • Model NO.: HG20
  • Certification: ISO
  • Type: Welded Pipe Mill

Forming & Sizing Machines apply roll forming principle and high-frequency induction welding. The feeding device in the mill fed the strip into the forming machine and the forming roller continuously rotate and press the strip into the required shape. Due to the skin and the kindred effect, the high-frequency current is focused on the weld joint that is heated rapidly and reaches the welding temperature. The pipe seam is welded under the pressure of squeeze rollers. At last, after the cooling, sizing and primary straightening, we can get the finished welded pipe with required size.
Forming pipe OD.: Round tube: 8mm-32mm, square tube: 10X10-25X25, Forming pipe wall thinkness: The round tube is: 0.4-1.5mm, the square tnbe is 0.4-1.0mm

COLOR COATING LINE OF STEEL COIL