1. Pipe specification

 round pipes: Ø60- Ø114mm;

square pipes: 40×40-100× 100mm

rectangular pipes: 40×60-80×120mm

thickness: 1.2-4.75mm

pipe length: 4-12m

2. Technical process

material loading — uncoiling — head flattening— shear/end welder  — accumulator — forming —  HF welding — out deburring — cooling — sizing — straightening — cutting — fine straightening — leveling and chamfering — packaging — storage

3. Equipments

3.1 uncoiler

3.2 head flattener

3.3 shear/end welder

3.4 accumulator

3.5 Forming and Sizing mill

3.6 Flying saw

3.7 straightening machine

3.8  Leveling and chamfering machine