Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Hot Sale Oilfield Tubing Pipe, J55 Steel Grade Oil Tubular Goods Pipe
Oil tubing description:
Oil tubing is widely used for transporting crude oil and natural gas to surface after drilling, which also
bears pressure from exploration.
Features:
1. Seamless oil pipe
2. Hot-rolling pipe
3. Size OD: 1.05”-4 1/2”
Technical specification:
| Specification | Weight code | Outside diameter (mm) | Wall thickness (mm) | Inner diameter (mm) | Calculated weight | ||||
| NUE(with thread and coupling) | EUE(with thread and coupling) | Plain end (kg/m) | Changed weight due to end process(kg) | ||||||
| Plain(with thread and coupling) | External upset threaded and coupled | ||||||||
| standard coupling | special coupling | ||||||||
| 1.9 | 2.75 | 2.9 | 48.26 | 3.68 | 40.9 | 4.05 | 0.27 | 0.91 | - |
| 2-3/8 | 4.6 | 4.7 | 60.32 | 4.83 | 50.66 | 6.61 | 0.73 | 1.81 | 1.34 |
| 2-7/8 | 6.4 | 6.5 | 73.02 | 5.51 | 62 | 9.17 | 1.45 | 2.54 | 1.71 |
| 2-7/8 | 8.6 | 8.7 | 73.02 | 7.82 | 57.38 | 12.57 | 1.18 | 2.27 | 1.43 |
| 3-1/2 | 9.2 | 9.3 | 88.9 | 6.45 | 76 | 13.12 | 2.27 | 4.17 | 2.45 |
| 3-1/2 | 12.7 | 12.95 | 88.9 | 9.52 | 69.86 | 18.64 | 1.81 | 3.72 | 2 |
| 4 | 10.7 | 11 | 101.6 | 6.65 | 88.3 | 15.57 | - | 4.81 | - |
| 4-1/2 | 12.6 | 12.75 | 114.3 | 6.88 | 100.54 | 18.23 | 2.72 | - | - |
Mechanical properties:
| steel grade | type | total elongation under load (%) |
yield strength (Mpa) |
tensile strength (Mpa) min | hardness max | ||
| min | max | HRC | HBW | ||||
| H40 | - | 0.5 | 276 | 552 | 414 | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
| M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| P110 | - | 0.6 | 758 | 965 | 862 | - | - |
| Tolerance | ||
| Outside Diameter | Pipe Body | D≤101.60mm,±0.79mm |
| D≥114.30mm,+1.0%, -0.5%D | ||
| Coupling | ±1%D | |
| Wall Thickness | 0, -12.5%t | |
| Weight | Single Lengths | +6.5%,-3.5% |
| ≥18144 kg(40000ib),0,-1.75% | ||
| Carload Lots or Order Quantity | ＜18144 kg(40000ib),0,-3.5% |
