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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2024-01-24 How to prevent galvanized square and rectangular tubes from rusting?
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2024-01-24 ERW (straight seam resistance welded pipe)"ERW" steel pipe, that is, straight seam electric resistance welding pipe, English Electric Resistance Welding Pipe, abbreviated as ERW, is used to transport oil, natural gas, and other media. It can meet different requirements such as high and low pressure.
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2024-01-23 Now the process flow is briefly introduced as follows:1. Hot rolling (extruded seamless steel pipe): round tube blank → heating → perforation → three-roll cross rolling, continuous rolling or extrusion → detuning → sizing (or diameter reduction) → cooling → straightening → hydraulic test (or flaw de
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2024-01-23 Is seamless tube /tubing better to be cold rolled or hot rolled?
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