Longitudinal Submerged Arc Welded Steel Pipe
|
Grade |
X80/L555 |
X70/L485 |
X65-X56/
L450-L390 |
X52-X46/
L360-L320 |
X42-B/
L290-L245 |
|
Diameter |
20¡¯¡¯-56¡¯¡¯
(508-1422mm) |
20¡¯¡¯-56¡¯¡¯
(508-1422mm) |
20¡¯¡¯-56¡¯¡¯
(508-1422mm) |
20¡¯¡¯-56¡¯¡¯
(508-1422mm) |
20¡¯¡¯-56¡¯¡¯
(508-1422mm) |
|
Thickness |
6.4-38.1mm |
6.4-44.5mm |
6.4-44.5mm |
6.4-50mm |
6.4-50mm |
| Pipe Length:8-12.2M |
| Standard: API 5L/ ISO/GB/ DNV/ASTM/JIS etc. |
World class large diameter JCOE longitudinal submerged arc welded (LSAW) pipe manufacturer serving the global oil & gas transmission market, with the annual designed capacity by 200,000 tons producing SAW pipe from 20¡± to 56¡± with a wall thickness of 6 to 50mm. Customized products in compliance with GB, API, ASTM, ISO, JIS, DIN and DNV Standards.
Quality Control
1. Supervisory Control and Data Acquisition (SCADA) system
2. Manufacturing Execution System (MES)
3. Office Automation (OA)
4. The Video Monitor System
Advance Equipments
1. Forming section is equipped with PPF5300/130 CNC machine.
2. Welding equipment all adopts Lincoln welder with META seam tracking devices.
3. The first and the only company adopting ¡°phased array¡± Ultrasonic Testing Equipment in China for online inspection.
Quality Assurance
15 steps of quality inspections:
1. 100% physical and chemical test for the steel plates by furnace batches.
2. 100% inspection on the plate dimension.
3. 100% automated ultrasonic testing for the steel plates.
4. 100% automatic ultrasonic testing on welding seams before expanding.
5. 100% ultrasonic testing on end welding seams before expanding.
6. 100% industrial TV inspection on welding seams before expanding.
7. 100% hydrostatic test.
8. 100% automatic ultrasonic testing on welding seams after hydraulic test.
9. 100% ultrasonic testing on end welding seams after hydraulic test.
10. 100% shooting on the end welding seams after hydraulic test.
11. 100% industrial TV inspection on welding seams after hydraulic test.
12. 100% magnetic particle testing on the end welding seams after hydraulic test.
13. 100% automatic weighing and length measurement.
14. 100% inspection on the pipe dimension.
15. 100% physical and chemical test for the steel pipes by furnace batches.
