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  • The History of Seamless Steel Pipe

    The History of Seamless Steel Pipe

    Technology of producing black steel pipe started from the emerging of bicycle manufacturing industries, the development of oil in the 19th century and the manufacturing of ships, planes and boilers during the period of world war, developm...

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  • The Categories of Welded Steel Pipe

    The Categories of Welded Steel Pipe

    In the 30s of 20th century, with the quick development of high-quality strip rolling production and improvement of welding and checking technologies; the constant increase of welding quality, the categories of welded steel pipe become in...

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  • The Classification Of Welded Steel Pipe According To Its Function

    The Classification Of Welded Steel Pipe According To Its Function

    General welded pipe is used for transporting low pressure liquid. Use Q195A, Q215A, Q235A steel manufacturing. Also can be used to other mild steel welding manufacturing. Welded steel pipe for pressure, bending, flattening and so on exp...

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  • How Much Do You Know About Steel Pipe?

    How Much Do You Know About Steel Pipe?

    Steel pipe refers to the steel material that has the opening in the both sides and is longer, whose specification is represented by overall dimension (diameter and length) and thickness, from calligraphy pipe with small diameter to pipe...

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  • The Classification of Welded Steel Pipe

    The Classification of Welded Steel Pipe

    Since the 1930s, with the rapid development of high quality of strip steel rolling production and the progress of welding and inspection technology to improve the weld quality constantly, increasing varieties of welded steel pipe specific...

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  • The Details Of Black Steel Pipe

    The Details Of Black Steel Pipe

    HDPE is a kind of high crystallinity, nonpolar thermoplastic resin. Square one HDPE appearance is milk white, in a small cross section in a certain degree of translucent of black steel pipe. PE has excellent resistance to the most of t...

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