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  • The forming process of thin-wall welded steel pipe
    The forming process of thin-wall welded steel pipe
    2021-09-28

    1. Downhill forming methodDownslope shaping of welded pipe equipment can significantly reduce edge extension.2. Increase the intermediate extension of the billetDuring the forming process, the reduction of the hole pattern is increased, so that the gap between the upper and lower rolls is slightly s

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  • The steel pipe pile feature
    The steel pipe pile feature
    2021-09-28

    Steel pipe piles are widely used in various situations such as supporting piles and friction piles. Especially when it is used as a supporting pile, it can be fully driven into a relatively hard supporting layer, so it can exert the bearing effect of the strength of the entire section of the steel.T

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  • How to prevent decarburization of spiral welded pipe
    How to prevent decarburization of spiral welded pipe
    2021-09-28

    For spiral welded pipe, the service life is the most important part of the buyer, and the most important part of the service life of spiral welded pipe is to keep the surface of the steel pipe from decarburization. It is well known that after the surface of spiral welded pipe is decarburized, its st

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  • API 5L/ASTM A106 GR.B Seamless Steel Pipe Price list
    API 5L/ASTM A106 GR.B Seamless Steel Pipe Price list
    2021-09-24

    Seamless Steel Pipe API 5L/ASTM A106 GR.B OD>60.3 BE,OD<60.3 PE,Black painting,ends with caps,length 6mOut Diameterwall thicknessFOB Tianjin(by full container)wall thicknessFOB Tianjin(by full container)Inchmmmm/sch40 USD/TONUSD/Mmm/sch80 USD/TONUSD/M1/4"13.72.24$1,550.4$1.03.02$1,550.40 $1.20 3/8"1

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