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Our products' standard can meet API 5CT requirements. The types of our tubing include Grade J55, N80 and P110.
Before manufacture, the advanced spectrometer is applied for conducting material analysis. In the course of calcinations,the infrared thermometer is used to monitor the heating temperature. The followig steps of tempering,thread processing,detecting surface,pressure testing and auto spray painting are completely in accordance with Quality Control System.
Our company can produce the following oil tubing of API 5CT Standard.
size | Outside Diameter(mm) | Wall Thickness(mm) | Grade |
| 2-3/8" | 60.32 | 4.24—8.53 | N80,J55,P110 |
| 2-7/8" | 73.02 | 5.51—11.18 | N80,J55,P110 |
| 3-1/2" | 88.90 | 5.49—13.46 | N80,J55,P110 |
