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MACHINERIES FOR PRODUCTION LINE
(SPIRAL WELDED STEEL PIPE)
Produts |
Machineries for production line |
SPIRAL WELDED STEEL PIPE
BEND ROLLED STEEL PIPE
Production flow chart
SPIRAL WELDED STEEL PIPE
BEND ROLLED STEEL PIPE
To be used as Water steel pipe, Oil pipe and Gas pipe. All spiral welded seams are under Submerged Arc Welding for both inside and outside.
Machine Capacity : ND.6"- ND.144 " (ND.150 - ND.3,600 mm)
Production Capacity : 100,000 Metric tons / year
Steel Coil to Standard JIS G 3101 grade SS400 or as on request
Slitting Machine
to Divide Width of Steel Coil as Requirement
Forming
Spiral Forming Machine to from Spiral Steel Pipe by Tandem (2 Welding Heads) or 3 Welding Heads for Submerged Arc Welding for both inside and outside, DC/AC Method to get full penetration
End Expansion
Pipe End Expansion to form Spigot and Socket Ends
End Facing
Pipe End is being cut and bevelled at specified degree
Hydro Test
Pipe is under hydrostatic test at Spectified pressure
Blasting
Grit Blasting to SA 2.5 Standard or as on request
Internal Painting
Inside Liquid Epoxy painting to AWWA C210 Standard min. 406 microns DFT.
External Coating & External Wrapping
External Coating to AWWA C222 Standard,consisting of PU (Polyurethane) & External Wrapping AWWA C214
Cement Lining
inside Lining shall be cement mortar in accordance with AWWA C205 Standard
