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  • Common Fault ERW Steel Pipe Unit

    Date:2016-08-05      View(s):1406      Tag:erw steel pipe, erw steel pipe unit, erw steel pipe production unit

    Fault erw steel pipe unit is relatively more, and the cause of the failure is also more complex, the result is often caused by a variety of reasons, can be caused by several reasons or a result....

  • Seamless Steel Pipe Deformation Production Process

    Date:2016-08-03      View(s):1642      Tag:seamless steel pipe, seamless steel pipe production, seamless steel pipe production process

    There are three main deformation processes throughout hot rolled seamless steel pipe production methods.1. Perforating. 2.Rolling. 3. Finishing....

  • Five Different Heat Treatment Technique

    Date:2016-08-02      View(s):1696      Tag:heat treatment, hot rolled, cold drown

    Heat treatment is the process of heating and cooling metals to achieve desired physical and mechanical properties through modification of their crystalline structure....

  • Production Notes of SSAW Steel Pipe

    Date:2016-07-11      View(s):1610      Tag:production of SSAW steel pipe, production notes of SSAW steel pipe

    SSAW steel pipe in the production process, we need to pay attention to a series of matters....

  • Characteristics of Hollow Section When Roll Forming

    Date:2016-07-07      View(s):1629      Tag:cold-formed steel,cold-formed rectangular, hollow section

    Cold-formed steel, cold-formed rectangular tube through the one-way roller contacts the outer tube forming the outer wall so that the strip bending moment, bending line will produce cold-formed compression....

  • Special Demands of Galvanized Steel Pipe Production Line

    Date:2016-07-05      View(s):1619      Tag:galvanized steel pipe production, galvanized steel pipe supplier

    The galvanized steel pipe production lines have special requirements, especially for the production environment....

  • The Best Welding Way for Weld Steel Pipe

    Date:2016-07-04      View(s):1776      Tag:API 5L line pipe, ERW steel pipe, LSAW steel pipe

    The best way to welding steel pipe: First of all, cleaning the oil, paint, water, rust ect. on welded steel pipe weld. ...

  • Production Process of Seamless Steel Pipe

    Date:2016-07-02      View(s):1694      Tag:production process of seamless steel pipe, seamless steel pipe supplier

    Seamless steel pipe mainly complete through the tension reducing diameter. The stretch reducing process is hollow base material without mandrel continuous rolling process. ...

  • Heat Treatment of LSAW Steel Pipe

    Date:2016-07-01      View(s):1795      Tag:heat treatment, welding pipe, LSAW steel pipe

    Post weld heat treatment can effectively reduce the welding residual stress, and heat treatment temperature is higher, residual stress better....

  • Seamless Tee Manufacturing Method : Hot-drawing Forming

    Date:2016-06-21      View(s):1797      Tag:hot-drawing forming, seamless tee, pipe tee

    Applied to Tees with large diameters, heavy wall thickness and/or special material with challenging workability that cannot be manufactured using the hydraulic bulge method. ...

  • Line Pipe Production Status in China

    Date:2016-06-15      View(s):1980      Tag:line pipe supplier, line pipe manufacturer, API 5L line pipe

    Welded line pipe can be distinguished into three production process which are resistance welding, spiral submerged arc welding, longitudinal submerged arc welding. ...

  • Welding Technology for producing ERW steel pipe

    Date:2016-06-05      View(s):1602      Tag:welding technolgoy, electric resistance welding, electric resistance welding technology

    Few technical control methods to maintain the quality of the pipe and high efficiency of the production process. ...

  • High Frequency Resistance Welded Steel Pipe Units

    Date:2016-06-04      View(s):1614      Tag:ERW steel pipe, ERW steel pipe production line, ERW steel pipe proudction units

    Brief introduction of our high frequency resistance welded pipe mill facility and technical parameters....

  • The cause analysis for thick wall LSAW steel pipe weld fusion clamp slag

    Date:2016-06-02      View(s):1588      Tag:LSAW steel pipe, thick wall LSAW steel pipe, thick-wall LSAW steel pipe

    Submerged arc welding seam slag is produced mainly due to 1. raw materials inclusions (including base metal, wire, flux) 2. the multilayer welding interlayer is not clean up 3. improper selection of welding parameters is not conductive to slag floats....

  • Electric Resistance Welding Process and Quality Control

    Date:2016-05-30      View(s):1556      Tag:electric resistance welding, resistance welding process, resistance welding technology

    The electric resistance welding time is short and the process is not visible, so during the actual welding process, there will be joint quality of instability caused by the instantaneous voltage fluctuations, current shunt, electrode wear and other factors....

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