Product News

  • 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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  • Large-diameter seamless pipe thermal molding manufacturing process

    Large-diameter seamless pipe thermal molding manufacturing process

    Large-diameter seamless pipe thermal molding manufacturing process Thermal forming manufacturing process, including large-diameter seamless hot-rolled and hot extrusion of the two methods, the former is mainly used in the production of composite pipe joints, which applies seamless composite pipe ...
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  • Cold Hardening and Hydrogen Embrittlement of ASTM A179 Seamless Tubes

    Cold Hardening and Hydrogen Embrittlement of ASTM A179 Seamless Tubes

    In the production process of astm a179 cold drawn seamless steel pipe, there are cold hardening and hydrogen embrittlement phenomenon, which are caused by cold drawn seamless tube cracking the main reason. Analysis of the phenomenon of bursting astm a179 cold drawn seamless pipe is a smaller diam...
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  • Casing Tender from OGDCL

    Casing Tender from OGDCL

    Tender # Description Sales Date Due Date PROC-FB/CB/D-318/2011 20” CASING PIPE   26-01- 2012 02-02- 2012   Bid Bond  we will buy the tender documents on your name from the OGDCL When we submit the bid it will be on your letter head and we will be submitting as your local agent for th...
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