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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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  • DSAW Steel pipe price list Nov.2019

    DSAW Steel pipe price list Stangdard:GB/T3091,Material:Q235B; WT    OD 406.00 457 508 609.6 711.1 762 812.8 863.6 914.4 1016 1066.7 1117.6 1219.2 1320.8 1422.4 8 721 714 721 707 707 707 707 707 707 707 714 714 9.53 714 700 707 686 686 686 686 686 707 707 707 707 707 757 74...
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  • In stock ERW steel pipe oct.2019

    ERW Pipe Price List Standard:GB/T3091-2008 ; Spec Thickness GB/T3091 Spec Thickness GB/T3091 Q235B Q345B Q235B Q345B 33.4   (1″) 2.1-2.4 4200 4490 Φ152 3.0-4.5 4150 4530 2.5-3.25 4060 4550 4.75-5.75 4170 4530 3.5-4.0 4130 4650 6.0-7.75 4270 4610 42.3  (1.2″...
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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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