Product News

  • 316l stainless steel surface hardening process and heat treatment process

    316l stainless steel surface hardening process and heat treatment process

    Stainless steel tube heat treatment main purpose is to change the inner pipe metal matrix structure, improve the hardness of stainless steel pipe, but because it is not fundamentally change the pipe morphology, and therefore can not effectively improve the strength and toughness of the stainless ...
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  • Detailed Introduction of the API Steel Pipes

    Detailed Introduction of the API Steel Pipes

    Here is the detailed introduction of the API steel pipe including the physical properties. API steel pipe in steel pipe industry has stable proportion of 42% ~ 42% in recent years. And the welded pipe has a rising trend. API steel pipes and welded steel pipe is the reliability of the materials an...
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  • Characteristics and applications of hot extruded steel pipe

    Characteristics and applications of hot extruded steel pipe

    In recent years, the worldwide high-end seamless pipe market recovery and the country’s economic strength gradually increased, the hot extrusion production process of seamless steel pipe ushered in a new round of development opportunities. Hot extruded pipe production process using hot extr...
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  • Advanced technology of L390 line pipe controlled cooling

    Advanced technology of L390 line pipe controlled cooling

    Since the first set of laminar cooling system is applied to L390 line pipe production since, under the joint efforts of national science and technology workers, the control technology has been developed rapidly cooling after rolling. First, the development of technology, the progress reflected in...
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  • Causes of low pressure boiler tubes diameter larger

    Causes of low pressure boiler tubes diameter larger

    Quality carbon structural steel hot-rolled low-pressure boiler tube is used to create various structural low and medium pressure boiler superheated steam pipes, rolling water pipes and superheated steam locomotive boiler tubes, opium pipe, small pipe and brick arch tubes and cold Stubbs (rolled) ...
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  • LSAW Steel Pipe Rust Method

    LSAW Steel Pipe Rust Method

    ​In the oil and gas pipeline anti-corrosion construction process, LSAW steel pipe anti-corrosion surface treatment is to determine the life of one of the key factors, it is LSAW steel pipe anti-corrosion layer and whether the combination of a solid premise. The study of professional organizations...
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