It is designed to roll steel strips to produce continuously to longitudinal welding steel tube, which is used to produce structure round ,square and rectangular tube, profile tube. Technical Procedures Coil loadingUncoilingShearing & WeldingAccumulatingFormingHF weldingOuter de-burringSeam polishingwater coolingFine sizingTurk straighteningFlying cut offRun out tablePackagingstoring.
The high-frequency straight seam welded pipe mill is used to level the fixed strip after slitting line and enter it to forming machine, bend to open pipe by roller, melt the strip edges through the High-frequency current, squeeze and weld the pipe to be closed by the squeeze roll. The high-frequency pipe mill is also called ERW pipe mill. Our products technology of full-automatic FFX HFW production line and multifunction 250mm-500mm directly formed square pipeline are among the highest in the industry.
Raw material: hot or cold-rolled strip coil after slitting: The diameter of steel coil: phi 1300 ~ phi 2300 mm Diameter: phi 508- 760 mm Width: 500 ~ 1300 mm Thickness: 3 ~ 12.7 mm Maximum roll weight: 25 t Welding: high-frequency induction (contact) heating extrusion forming High-frequency equipment power: 1000 kw (solid-state) Frequency: 100 ~ 450 KHZ Welding speed: 10 ~ 30 m/min Weld annealing: medium frequency induction heating If equipment power: 3 600 kw
This equipment is specially used for producing High Frequency Welded Pipe. It made by refined materials in high precision and equipped with fixed length cutting saw. The main machine includes forming, welding, sizing and straightening device. The composition of equipment is from decoiler to fixed length-cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness. 1.Characteristics: No filler metal used, no effect on chemical composition of pipe; Fast speed, ideally suitable for mass production. 2.Process of the Production Line: Raw material (strip steel roll)- Material feeding - End cutting and butt welding (hand welding)- Strip storage cage - Material feeding and forming -High frequency welding - Removing outer burr - Cooling water jacket - Fix the diameter and straightening - Cut off with flying saw - Material unloading (Manually stow and bind up) - Inspection - Storehouse. 3.Technical parameter. WB12 WB25 WB32 WB50 Diameter of welded tubes7-25mm8-32mm13-50mm20-60mm Wall thickness of welded tubes 0.3-1.0mm 0.4-1.5mm 0.6-1.8mm 0.8-2.7mm Speed of tube welding 90M/min 90M/min 90M/min 70M/min Power of major motor 22KW 37KW 55KW 75KW Power of high frequency welder60KW 60KW 100KW 100KW
Item Hot Dipped Galvanized Round Steel Pipe/GI Pipe/Galvanised Tube OD 20~405mm in theory Thickness 1.2~15.7mm Length Any Length Below 16 Meter Standard GB,ASTM,BS,EN,JIS Material Chinese Grade, Q195, Q215 Q235, Q345 ASTM, Grade B,Grade C,Grade D,Grade 50 EN, S185,S235JR,S235JO,E335,S355JR,S355J2 JIS, SS330,SS400,SPFC590 Application Used For Water, Gas, Stream, Combustible Fluids And Other Liquid Delivery Ends Plain, Beveled, Thread With Couplings Or Sockets; Plastic Caps And Steel Rings Can Be Provided If Possible Surface Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment Technique Hot Rolled Or Cold Rolled ERW Package Covered With Tarpaulin, Containers Or In Bulk
Product introduction ERW Steel Pipe: Pipe Type: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe Application: For Low Pressure Fluid Transmission, Machinery Manufacturing Specification: OD: 21.3mm ~ 660mm WT: 1mm ~ 17.5mm LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL) Standard & Grade: API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70 ASTM A53, ASTM A500, JIS G3466, ASTM A252, ASTM A178, AN/NZS 1163, AN/NZS 1074, EN10219-1, EN10217-1 End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped Production Process for ERW steel pipe: 1.Uncoiling 2. Leveling --- 3. End cutting --- 4. End shearing welding --- 5. Supercoil accumulator --- 6. Edge cutting --- 7. Ultrasonic detection --- 8. Forming --- 9. Electric induction welding --- 10. Ultrasonic detection for weld seam --- 11. Medium frequency heat treatment --- 12. Air cooling --- 13. Water cooling --- 14. Sizing --- 15. Flying cutting --- 16. Flush-out --- 17. Cropping --- 18. Flattening testing --- 19. Straightening --- 20. End facing and bevelling --- 21. Hydrodynamic testing --- 22. Ultrasonic detection for weld seam --- 23. Ultrasonic detection for pipe end --- 24. Visual and dimensions inspection --- 25.Weighting and measuring --- 26. Marking --- 27. Coating --- 28. Pipe-end protection --- 29. Bending --- 30. Shipping Specification of ERW steel pipe: API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness Outside Diameter Wall Thickness (mm) (mm) (mm) (mm) 33.4 (1") 2.1-2.4 133 3.0-5.75 2.5-3.25 6.0-7.75 3.5-4.0 8.0-10 42.3 (1.2") 2.1-2.4 139.7 (5) 3.0-4.5 2.5-3.5 4.75-5.75 3.75 6.0-7.75 4.0-5.0 8.0-10 48.3 (1.5") 2.1-2.4 152 3.0-4.5 2.5-3.25 4.75-5.75 3.5-3.75 6.0-7.75 4.0-4.25 8.0-10.0 4.5-6.0 159 3.25-6.75 60.3 (2) 3.0-4.0 6.8-7.75 4.25-4.75 8.0-10.0 5.0-5.75 10.0-11.75 73 3.0-4.75 165 3.0-6.0 4.8-5.25 6.25-7.0 5.5-7.0 76.1 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.
Raw material: coil OD: Ф1250-2000 ã?? coil ID: Ф610-762 ã?? Width: 680-2000 ã?? thickness: 5.0-16.0 ã?? weight:45T(max) Finish pipe: pipe diameter:219.1~630mm Length tolerance:8000~12500mm
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