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  • How to choose a seamless steel pipe factory?

    How to choose a seamless steel pipe factory?

    How to choose a seamless steel pipe factory? Three practical guides to share. 1. Quality certification When choosing a seamless pipe manufacturer, the first thing to pay attention to is whether they have the appropriate quality certification. According to the quality standards requirements of the...
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  • The production temperature of straight seam steel pipes is very important

    The production temperature of straight seam steel pipes is very important

    In the process of producing straight seam steel pipes, the temperature must be strictly controlled to ensure the reliability of welding. If the temperature is too small, the welding position may not reach the temperature required for welding. When most of the metal structure is still solid, it is...
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  • Quality standards and testing requirements for straight seam welded steel pipes

    Quality standards and testing requirements for straight seam welded steel pipes

    Straight seam welded steel pipe is a common steel pipe product widely used in construction, manufacturing, petroleum, chemical and other industries. In order to ensure that the quality of straight seam welded steel pipes meets the requirements, there are a series of quality standards and testing ...
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  • Anti-corrosion of inner wall of steel pipe

    Anti-corrosion of inner wall of steel pipe

    Steel pipe inner wall anti-corrosion A device used for the inner wall anti-corrosion device of the welded joint of the inner coated steel pipe, which is characterized in that a sacrificial anode made of lead, magnesium, zinc, or its alloy is connected to a terminal made of conductive metal materi...
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  • Spiral welded pipe and its development direction

    Spiral welded pipe and its development direction

    The characteristics of spiral welded pipe production are: (1) Tubes with a variety of outer diameters can be produced with strips of the same width; (2) The pipe has good straightness and precise dimensions. The inner and outer spiral welds increase the rigidity of the pipe body, so there is no n...
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  • Method of welding steel pipe forming

    Method of welding steel pipe forming

    1.Single radius forming method. The single-radius roll forming method has three types: circumferential bending forming method, edge bending forming method, and center bending forming method. The single radius forming method is: the hole pattern is composed of a single radius, the horizontal rolle...
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