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Specifications
ERW377 tube mill forming roll1.OD:165-377mm
2.Thickness: 4-12.7mm
3.Also correspond Square & rectangle tube
Commodity: ERW377 tube mill forming roll
377mm welded pipe production line is designed to produce welded pipes of
165mm-377mm in OD and 4mm-12.7mm in wall thickness, as well as corresponding square and rectangle tube.
II. Basic Technical Information:
1.Specification of pipes
Pipe OD: 165mm-377mm Thickness: 4mm-12.7mm
Square & rectangle tube: 130mm*130mm-300mm*300mm, Thickness: 4.0mm-10mm
Length: 6 -12m Length Tolerance: ±3mm
2.Raw Material:
Material: HR & CR Carbon steel coil(GB Q195∼Q345 / API∼X80)
3. Tube mill
Production Speed : 10-40 m/min
III. The technical flow of the production line
Uncoiling→Flattening→Shearing & Butt welding→Cage looping (Accumulating)→Strip →Trimming→Forming→HFwelding→Removing burrs (inside & outside)→IF annealing→Air & Water cooling→Sizing→Pipe UT→Cutting off→Flattening test→End facing→Hydrostatic test→Conveying →Downloading →Appearance→MarkingPacking →Warehousing
IV. Makeup of tube mill line
1. Double-reel Mechanical Uncoiler
2. Shear & Butt Welder
3. Spiral accumulator
4. Forming&sizing
5. Solid State H.F. welder
6. CNC Flying Saw
7. Output Rollway
8. Rollers
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