DSAW Steel pipe price list Nov.2019

Latest news list

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  LSAW Steel Pipe Maintenance: Extend Pipeline Service Life

  Installing a properly specified LSAW steel pipe does not eliminate the need for pipeline maintenance,Once a pipeline enters service,corrosion,coating deterioration,mechanical loading,ground movement,operating changes,and environmental exposure can gradually affect its condition,For large-diameter pipelines,a practical maintenance program should focus on identifying changes early and taking corrective action before a manageable condition develops into an integrity problem,The objective is not simply to inspect the pipe,It is to understand the condition of the complete pipeline system and respond based on evidence,
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  How LSAW Steel Pipe Performs in High-Pressure Pipeline Systems

  High-pressure pipeline systems place demanding requirements on pipe material,dimensions,weld integrity,inspection,and operating conditions,For large-diameter pipelines,LSAW steel pipe can be an effective solution because its manufacturing process allows large outside diameters and substantial wall thicknesses to be produced from steel plate,However,selecting LSAW steel pipe for pressure service is not simply a matter of choosing a thicker wall,The pipe specification needs to match the actual design pressure,temperature,fluid,diameter,applicable code,and service environment,
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  How to Prevent LSAW Steel Pipe Corrosion in Water and Buried Pipeline Systems

  LSAW steel pipe is widely used for large-diameter water transmission,buried pipelines,and other infrastructure projects where strength,dimensional control,and long-term service reliability are important,However,pipe strength alone does not prevent corrosion,For buried or water pipeline systems,corrosion protection should be considered from material selection and coating through transportation,field welding,installation,and long-term inspection,A coating system should also be selected according to the actual operating environment rather than simply by initial cost,
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  LSAW Steel Pipe Shipment: How a Large-Diameter Export Order Is Prepared

  For a large-diameter LSAW steel pipe project,manufacturing is only one part of the delivery process,The pipe must meet the approved technical specification,pass the required inspections,receive the correct end preparation and surface protection,and reach the port in suitable condition for international transportation,A recent export order provides a practical example of how technical,quality and logistics activities need to work together before shipment,
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  LSAW Steel Pipe for Water Transmission: Design, Coating and Maintenance Guide

  Large-diameter LSAW steel pipe is widely used for water transmission projects where high flow capacity,large diameters and project-specific wall thicknesses are required,Its longitudinal welded construction also allows manufacturers to produce pipe to defined dimensions and mechanical requirements,But selecting the right LSAW pipe is only one part of pipeline reliability,Hydraulic conditions,pressure transients,internal water quality,corrosion protection,field welding and installation all affect long-term performance,