附近的单身女人联系电话号码
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    Oxygen blowing tube

    Oxygen blowing pipe is generally small diameter welded steel pipe. The function of the oxygen blowing pipe is to transport oxygen for the arc steel, so that the steel can be effectively melted when the steel is made. The oxygen pipe is equivalent to an indispensable auxiliary tool in steel production.

    2022/10/31

    Straight seam welded pipe

    Uses: This kind of steel pipe?is?mainly used for oil and natural gas transmission pipelines, marine highway bridges, subway piling support, and their specifications are expressed by outer diameter wall thickness. There are single-sided welding and double-sided welding of the spiral pipe. The welded pipe should ensure that the hydraulic test, the tensile strength of the weld and the cold bending performance meet the regulations.

    2022/10/31

    Spiral welded pipe

    Uses: This kind of steel pipe?is?mainly used for oil and natural gas transmission pipelines, marine highway bridges, subway piling support, and their specifications are expressed by outer diameter wall thickness. There are single-sided welding and double-sided welding of the spiral pipe. The welded pipe should ensure that the hydraulic test, the tensile strength of the weld and the cold bending performance meet the regulations.

    2022/10/31

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    附近的单身女人联系电话号码