2024-01-31 The main technical features of spiral steel pipe:During the forming process of the spiral steel pipe, the steel plate deforms evenly, with small residual stress and no scratches on the surface. The processed spiral steel pipe has greater flexibility in the diameter and wall thickness size range, esp
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2024-01-30 Common materials for square tubes (SHS) mainly include the following:
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2024-01-30 A spiral steel pipe is a long steel pipe with a hollow cross-section and no seams around it. Steel pipes have hollow sections and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, coal gas, water, and certain solid materials. Compared with sol
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2024-01-29 There are many methods for quality inspection of large-diameter straight seam welded pipes, among which physical methods are also commonly used. Physical inspection is a method that uses some physical phenomena to measure or inspect. The inspection of internal defects in materials or large-diameter
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2024-01-26 What is the difference between galvanized square and rectangular pipes and ordinary welded square and rectangular tubes?
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2024-01-26 Control of the position of the high-frequency induction coil of straight-seam steel pipe: The excitation frequency of straight-seam steel pipe is inversely proportional to the square root of the capacitance and inductance in the excitation loop, or directly proportional to the square root of the vol
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2024-01-25 Will galvanized square tubes and rectangular tubes rust?
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2024-01-25 As an efficient means of special transportation, pipeline transportation has played an increasingly important role in oil and gas transportation and other fields. Domestic large-diameter transportation pipelines are currently mainly constructed using spiral welded steel pipes. To ensure the reliable
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