Manufacturing Process of API 5CT PSL1/PSL2 Casing&Tubing

Production Process (Hot Rolling)

1.Material Reception 

2.Material Sawing

3.Material Sawing Perforated

4.Perforated

5.Rolling Steel Pipe

6.High Pressure Hydraulic Scale Descaling

7.Stretch Reducing/Sizing

8.Cooling

9.Chemical & Mechanical Test

10.Straightening

11.Pipe Cutting

12.Total Length Drift

13.Inspection

Production Process (The Coupling Line)

1.Coupling Material

2.Material Sawing

3.Cylindrical Lathe Cutting

4.CNC Threading Machines

5.Thread Inspection

6.MPI

7.Stamp Marking

8.Coupling Phosphorization

9.Color Identification

10.Storage And Shipping

Production Process

1.Bare Pipe

2.Heat Treatment

3.Chemical & Mechanical Test

4.Straightening

5.Cooling

6.NDT

7.Inspection

8.Hydrostatic Test

9.1#CNC Threading Machine

10.1# Thread Inspection

11.Coupling Makeup

12.Pipe End Drift

13.2#CNC Threading Machine

14.Surface Coating + Marking

15.Length-Measuring、Weighting