Steel Wire Weld Polyethylene Composite Pipe
Steel Wire Winding Skeleton Reinforced Polyethylene Composite Pipe - Straight Pipe
ApplicationApplication
01
7 Jan 2019
1. Large-diameter sea discharge project.
2. Brine conveying.
3. High-pressure conveying pipes for gathering and transportation in oil and gas fields (oil transportation , water injection , sewage , gas-liquid mixedtransportation).
4. Reinforced polyethylenecomposite pipeforchemicalindustry.
5. Steel skeleton polyethylene composite coiled pipe for water supply and drainage and fire fighting.
6. Co-extruded wear-resistant layer composite coiled pipe for slurry transportation.
7. Mining polyethylene liquid and gas pipes.
PROPERTIESPROPERTIES
| Characteristics | Requirements |
| Melt Mass Flow Rate 5 kg 、 190℃ | No more than ±25% change in polyethylene MFR before and after processing |
| Oxidation Induction Time 200℃ | ≥20 min |
| Compression cracking stability 100 mm/ min | No cracks, de lamination and cracking |
| Peel strength 100 mm/ min | The average peel strength ≥ 15 N/ mm for individual specimensThe strength is ≥ 12 N/ mm, and the peeling interface is ductile failure, and the surface is floccu lent |
| Circumcision hydrostatic strength 20 ℃ 、 1. 5 PN 、 165 h | The cutting annular groove does not crack or leak |
Product performanceperformance
| The size of the pipe and the minimum wire diameter | ||||
| Nominal outer diamete r dn mm | Average outer diameter dem | Minimum wall thickness of the outer layer of polyethylene dy ， min mm | The minimum nominal diameter of the steel wire is mm | |
| dem , min mm | dem , max mm | |||
| 50 | 50 .0 | 51 .2 | 1 .5 | 0 .5 |
| 63 | 63 .0 | 64 .2 | 1 .5 | 0 .5 |
| 75 | 75 .0 | 76 .2 | 1 .5 | 0 .5 |
| 90 | 90 .0 | 91 .4 | 2 .0 | 0 .5 |
| 110 | 110 .0 | 111 .5 | 2 .0 | 0 .5 |
| 125 | 125 .0 | 126 .6 | 2 .0 | 0 .6 |
| 140 | 140 .0 | 141 .7 | 2 .0 | 0 .6 |
| 160 | 160 .0 | 162 .0 | 2 .5 | 0 .6 |
| 200 | 200 .0 | 202 .3 | 2 .5 | 0 .6 |
| 225 | 225 .0 | 227 .5 | 2 .5 | 0 .6 |
| 250 | 250 .0 | 252 .5 | 2 .5 | 0 .6 |
| 315 | 315 .0 | 317 . 1 | 3 .5 | 0 .6 |
| 355 | 355 .0 | 357 .8 | 3 .5 | 0 .8 |
| 400 | 400 .0 | 403 .0 | 3 .5 | 0 .8 |
| 450 | 450 .0 | 453 .2 | 3 .5 | 0 .8 |
| 500 | 500 .0 | 503 .2 | 3 .5 | 0 .8 |
| 560 | 560 .0 | 563 .2 | 3 .5 | 0 .8 |
| 630 | 630 .0 | 633 .2 | 3 .5 | 0 .8 |
| 710 | 710 .0 | 713 .8 | 3 .5 | 1 .0 |
| 800 | 800 .0 | 803 .0 | 3 .5 | 1 .0 |
| Nominal pressure PN MPa | |||||||||||
| 0.8 | 1.0 | 1.6 | 2.0 | 2. 5 | 3. 5 | ||||||
| Value range of wall thickness e at any point / mm | |||||||||||
| ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ | ≥ | ≤ |
| - | - | - | - | 5.0 | 6.2 | 5. 5 | 6.7 | 6.0 | 7. 5 | 6. 5 | 8.0 |
| - | - | - | - | 5. 5 | 6.7 | 6.0 | 7.2 | 6. 5 | 8.0 | 7.0 | 8. 5 |
| - | - | - | - | 6.0 | 7.2 | 6. 5 | 7.7 | 7.0 | 8. 5 | 7. 5 | 9.0 |
| - | - | - | - | 6. 5 | 8.0 | 7.0 | 8. 5 | 7. 5 | 9.0 | 8.0 | 9. 5 |
| - | - | 6.0 | 7. 5 | 7.0 | 8. 5 | 7. 5 | 9.0 | 8.0 | 9. 5 | 8. 5 | 10.0 |
| - | - | 6.0 | 7. 5 | 7. 5 | 9.0 | 8.0 | 9. 5 | 8. 5 | 10.0 | 9. 5 | 1 1.0 |
| - | - | 6.0 | 7. 5 | 8.0 | 9. 5 | 8. 5 | 10.0 | 9. 5 | 1 1.0 | 10. 5 | 12.0 |
| - | - | 6. 5 | 8.0 | 9.0 | 10. 5 | 9. 5 | 1 1.0 | 10. 5 | 12. 5 | 1 1. 5 | 13. 5 |
| - | - | 7.0 | 8. 5 | 9. 5 | 1 1.0 | 10. 5 | 12. 5 | 12. 5 | 14. 5 | 13.0 | 15.2 |
| - | - | 8.0 | 9. 5 | 10.0 | 12.0 | 10. 5 | 12. 5 | 12. 5 | 14. 5 | - | - |
| 8.0 | 9. 5 | 10. 5 | 12. 5 | 12.0 | 14.2 | 12.0 | 14.2 | 13.0 | 15.2 | - | - |
| 9. 5 | 1 1.0 | 12.0 | 14.0 | 13.0 | 15. 5 | 13.0 | 15. 5 | 14. 5 | 17.0 | - | - |
| 10.0 | 1 1.8 | 12. 5 | 14.7 | 14.0 | 16. 5 | - | - | - | - | - | - |
| 10. 5 | 12. 5 | 13.0 | 15.2 | 15.0 | 17.8 | - | - | - | - | - | - |
| 1 1. 5 | 13. 5 | 14.0 | 16. 5 | 16.0 | 18.8 | - | - | - | - | - | - |
| 12. 5 | 14.7 | 16.0 | 18.8 | 18.0 | 20.8 | - | - | - | - | - | - |
| 17.0 | 20.0 | 20.0 | 23.0 | 21.0 | 24.0 | - | - | - | - | - | - |
| 20.0 | 23.0 | 22.0 | 25.0 | 24.0 | 27.0 | - | - | - | - | - | - |
| 23.0 | 26.0 | 26.0 | 29. 5 | - | - | - | - | - | - | - | - |
| 27.0 | 30. 5 | 30.0 | 33. 5 | - | - | - | - | - | - | - | - |
| The wall thickness of the inner layer of the pipe polyethylene is not less than 1/3 of the wall thickness of the pipe . The co~mpany accepts customization: the maximum diameter is DN1200* 1 .6MPA , and the caliber of | |||||||||||