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Home > News
  • Defect analysis of several common forgings

    Defect analysis of several common forgings

    Pulished on Nov. 19, 2020

    There are many kinds of defects in forgings, and there are also many kinds of reasons for such defects, such as bad forging process, raw materials, unreasonable mold design and so on.Especially for ...

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  • Welding characteristics and application of  heterogeneous metals.

    Welding characteristics and application of heterogeneous metals.

    Pulished on Nov. 05, 2020

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  • Selection of TIG welding process parameters

    Selection of TIG welding process parameters

    Pulished on Oct. 30, 2020

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  • Alternating current aluminum welding

    Alternating current aluminum welding

    Pulished on Oct. 23, 2020

    When welding with alternating current, tungsten electrodes continuously switch between positive and negative electrodes.When tungsten is extremely positive, negative electrons move from the workpiec...

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Shanghai QianShan Piping Technology Co., Ltd.
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+86 189 1678 7603

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