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  • ERW Steel Pipe Introduction

    ERW Steel Pipe Introduction

    There are three mainly manufacturing processed during ERW steel pipe production, including cold drawn, cold-rolled and hot-rolled. The raw material of the ERW steel pipe includes 10 #, 20 #, 35 #, 45 # which is known as the ordina...

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  • Stainless Steel Pipe from Corrosion Causes

    Stainless Steel Pipe from Corrosion Causes

    The corrosion causes of stainless steel pipe are as follow.Firstly, same with the corrosion of API steel pipe, there is also chemical corrosion on the surface of stainless steel pipe. The chemical corrosion of the stainless steel pipe i...

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  • Welding Process of Welded Steel Pipe

    Welding Process of Welded Steel Pipe

    The process of welding in the form of welded steel pipe is also a process in which the steel pipe is steel welded after the curling molding is made. In general, the manufacturing process of welded steel pipe is compact, and the produc...

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  • Identification of Fake Spiral Steel Pipe

    Identification of Fake Spiral Steel Pipe

    The identification of fake spiral steel pipe is as followsFirstly, it is easy for inferior to fold. The folding formed on the surface of spiral steel pipe is often throughout the entire products during manufacturing. Why the folding is ...

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  • Welding Stress of Welded Steel Pipe

    Welding Stress of Welded Steel Pipe

    The welding stress in welded steel pipe is from the process of welding and welded components. The welding stress generated during the welding process can lead to the changes of the shape and size of the welded steel pipe. How does the w...

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  • Welding Frequency Influences the Quality of Welded Steel Pipe

    Welding Frequency Influences the Quality of Welded Steel Pipe

    In general, the influence on welded steel pipe quality because of high welding frequency is as follow.Steel weld gap controlWhen the welded steel pipe is in the process of welding, please ensure the opening angle of the weld flush is i...

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