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ERW/API 630 TUBE MILL

ERW/API 630 TUBE MILL

Raw material (Steel Strip) in form of a coil is uncoiled and feed into forming section passing through the equipment of entry section.
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Tube Mill
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Product Description
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Brief introduction of ERW pipe mill

Raw material (Steel Strip) in form of a coil is uncoiled and feed into forming section passing through the equipment of entry section. Entry section enables the tube mill to run continuously by using strip joining and accumulation equipment. Tube is formed in round shape passing through a set of driven and idler rollers of forming section before welding. In welding section tube is longitudinally welded by using high frequency induction welding method. Outside bead is removed and formed in shape of scrap. The weld seam is ironed and tube passes through the cooling section. In sizing section, tube is formed to specified size and converted into specified shape. After sizing, tube is cut to specified length by using flying cutting equipment and delivered in collecting troughs passing through run out conveyor.

Function

This pipe is used especially for Petroleum, Natural gas, City gas, Pipe network, Chemical industry, Electricity, Steel truss, Water and Gas pipeline; it is widely used for a variety of pressure pipelines

Process flow

Coil loading—Uncoiling—Pinching & Leveling—End Shearing‐Strip joining—Horizontal spiral strip accumulator—Forming‐HF Welding– O.D bead cutter–SEAM ANNEALER —Cooling—Sizing & Turks head‐Measuring roll—Flying cut off machine—Run out conveyor_ End facing & chamfering_ Hydrostatic Test- Ultrasonic Testers—Packing

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