1.Seamless Steel Pipe Mill Manufacturer 2.high-quality 3.small power consumption 4.longer life expectancy 5.high yield
Technical Specifications:
Φ245-Φ1020 Spirally Welded Steamless Steel Pipe Mill.The production line is flow process from start to finish.The ultrasonic flaw detection,X Ray inspection and hydraulic test can all be carried out continuously.It can be used to produce the spirally welded pipes with its quality in conformity with API standard.
outer diameter: | Φ219-Φ820mm Φ426-Φ1420mm |
wall thickness: | 5-12.7mm 6-16mm |
Length: | 8-12.5mm 8-12.5mm |
Raw Material hot rolled coils: | |
inner diameter Φ508-Φ760mm Φ508-Φ760mm | |
outer diameter: | 1200-Φ2000mm Φ1200-Φ2000mm |
width(before shearing): | 550-1550mm 600-1550mm |
thickness: 5-16mm 6-16mm | |
coil weight(max): | 25t 30t |
The quality of the material: API-5LS X60-X65 | |
yielding limit: | 457N/mm² 457N/mm² |
strength limit: | 562N/mm² 562N/mm² |
Welding methods: | |
butt welding single wire submerged-arc welding | |
inner welding single wire submerged-arc welding | |
outer welding single or double wire submerged-welding | |
line speed: 0.6-3.6m/min | |
Feeding and drawing force: 60t 120t | |
pressure of hydraulic press: 7.5-21Mpa | |
Technological Process: coilturn-over-coil carriage-decoiler-rough leveller-the cutting of the front and rear ends of the strip-butt welding-precision leveller-disk shear and edge prebending-strip guide-forming-inner welding-outer welding-contiuous ultrasonic test for butt welding-pipe cutting off and bevelling-pipe run-out-cleaning of the welding flux within the pipes-visual inspection-manual ultrasonic test and its repairing-pipe ends repairing(X-ray screen inspection-repairing)-hydraulic test-oil coating-drying process-the finished products inspection-gathering and storing.
Spirally Welded Seamless Steel Pipe Mill
