Spiral welded pipe 1)standard:ASTM 2)Grade:A53 A106 API J55 3)usage:conveying fluid,gas,petroleum and so on 4)od:237-2438mm
Spiral welded pipe
1. Out Diameter: 21.3mm - 350mm
2. Thickness: 0.6mm -20.0mm
3. Steel Grade: Q195-Q345, 10#-45#
4. Standard: GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40, ASTM SCH80
Process
1. Book Review: The coil forming all the pressure level
2. Welding: welding together the forming of sheet
3. Delivery: Delivery to the sheet forming machine
4. Forming: Tube Forming
5. Ultrasonic testing: the forming of the pipe by ultrasonic testing, will pick up the defective pipe
6. Cutting: The different lengths of pipe cut to length
7. Flat: tube ends debarring to smooth pipe end
8. Pressure test: The forming of the pipe by water pressure test, pressure test tube capacity
9. The ultimate test: Check whether the defective pipe surface
10. Standard spray: spray tube identification, production standards, specifications
11. Warehousing: storage weight
Spiral welded pipe
