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Tubeweld (India) Limited is one of the leading manufacturer and exporters of seamless carbon/alloy steel pipes and tubes, ERW boiler tubes, Air Pre-heater tubes including Carbon steel tubes, Steam pipes and fittings, Boiler components like Superheater coils, Economiser coils, Steam generating bent to shape tubes, panels, heaters, pipework for steam, feed waterline etc. We are a group of forty companies, having well diversified business. Our core competency lies in the manufacturing of boiler components and spares for very large fossil fuel fired steam boilers in thermal power plants, sugar & fertilizer industries, refineries, petrochemical, steel industries, smelter waste heat boiler, fluidised bed boilers etc.. ERW Tubes The copper disk electrodes make contact on each side of the seam and temperature is raised to the welding point. Outside flash is removeed by a cutting tool as the tube leaves the elctrodes, inside flash is removed either by an air hammer or by passing a mandnel through the welded tube after the tube has been cooled. This is termed as Electric Resistance welded or ERW tube/pipe. If this ERW is being drawn further to get desired size of tubes or pipes, in cold condition is called as Cold Drawn welded or CDW. For pipes or tubes size 4 inch (10.2mm) OD and below, strip is fed into a set of forming rolls which consists of horizontal and vertical rollers so placed as to gradually from the flat strip in to a tube which is then allowed to pass the welding electrodes. The electrodes are copper disks connected to the secondary of a revolving transformer assembly. Contact Now

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