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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...Read more -
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...Read more -
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″...Read more -
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) ...Read more -
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...Read more -
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 ...Read more