Description:

203MM STEEL SEAMLESS PIPE MANUFACTURING PLANT

203mm Steel Seamless Pipe Manufacturing Plant
Designer/Manufacturer: Mannesmann(German)/Japanese
Stopped year: 2019
Retrofit had been carried out until 2012.
Pipe diameter: 25.4mm~203mm(Hot finish)
Pipe thickness: 3mm~50mm(Hot finish)
Pipe diameter: 6mm~177.8mm(Cold finish)
Pipe thickness: 1mm~17mm(Cold finish)
Process type: Mannesmann-Plug Mill Process
Production capacity: 136,000ton/year

(Hot rolled Pipe Process)
Pipe material→Heating→Piercing Rolling(Plug mill)→Reeling
→Sizing→Reheating→Stretch reducing→Cooling→Straightner → Non destructive inspection→Marking and painting→Hot rolled pipes

(Cold rolled Pipe Process)
Pipe material→Heating→Piercing→Rolling(Plug mill)→Reeling →Sizing→Reheating→ Stretch reducing→Cooling→Straightner → Lubrication process→Cold forging→Heat treatment→ Straightner→Cutting→Non Destructive inspection→Marking and painting→Cold rolled pipes

Pilger mill
Squeezing mill
Sizing mill
TMPC(Thermo-Mechanical Control Process)equipment
Automatic acid cleaning equipment
Middle size swaging machine
Large size swaging machine
Cooling bed
Centerless equipment
Surface treatment equipment
Bright annealing furnace
Pipe end heating furnace
Drying furnace
High speed surface grinding machine
Straightener
Straightening press
Cutting machine
End facing machine
Cold rolling mill
Hydraulic tester
Ultrasonic tester
Radiation testing apparatus
Coating machine for cold rolled pipes
Testers