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  • Main Application of ASTM A179 Cold Drawn Seamless Tubes

    Main Application of ASTM A179 Cold Drawn Seamless Tubes

    ASTM A179 cold drawn seamless carbon steel pipe is mainly used in various sectors of the metal structure facilities, mainly after the rust of steel pieces immersed in 440 ~ 460 ℃ melting zinc solution, so that the steel surface attached to the zinc layer, which play a preservative purpose. This i...
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  • LSAW steel pipe and hot tension reducing pipe

    LSAW steel pipe and hot tension reducing pipe

    Difference between lsaw steel pipe and hot tension reducing pipe Different processes results in differences in product quality, and hot tension reducing pipe in the high-frequency welding pipe also carried out processes that are not conducted in a longitudinal called online Clear and outside burr...
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  • How to judge the quality of the pipe insulation

    How to judge the quality of the pipe insulation

    Pipe insulation applications in today’s society is very widespread in many areas have played an important role, in which the steel quality will often produce varying degrees of impact the project will have to select good quality steel will undoubtedly be carried out project to produce good ...
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  • Hot dip galvanizing pipe

    Hot dip galvanizing pipe

    Hot dip galvanizing thickness Length of the hot-dip galvanizing layer anticorrosion coating time is roughly proportional to the thickness. System parts in very severe corrosion conditions of service and (or) require a longer service time, which may be higher than the plated layer thickness requir...
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  • Galvanized steel pipe

    Galvanized steel pipe

    Galvanized steel pipe production line Galvanized steel pipe production line has special requirements, especially in a production environment, this a good environment can help us to better production, improve production efficiency and production quality, especially galvanized steel pipe, this need...
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  • ERW pipe technical requirements

    ERW pipe technical requirements

    ERW pipe technical requirements Technical requirements For oil and gas transport For low pressure fluid conveying Material Gr.b Gr.b Pipe body diameter D<508mm, ±0.75%; D≥508mm, ±0.75% D≤168.3, ±1.0%; 168.3<D≤508,±0.75%;  Wall thickness D<508mm,+15.0%,-12.5%; D≥508mm, +17.5%,-10% ...
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