Reliable online buy steel pipe the Tianhui steel pipe Han Xueyi for you to answer the Tianhui Pipe Manufacturing Co., Ltd. is a production enterprise quality Lutheran are secure, and also to visit our company, please rest assured that the next single, www.pvdfgc.com pvdf pipe www.hbbgc.com pump tube www.naimoguanjian.com the large diameter of the pump tube www.thgangguan.com spiral steel pipes www.hbthgg.com the spiral steel pipe steel production steel pipe. Spiral welded pipe for oil, natural gas pipelines, its specifications OD * wall thickness, said. Side welding and double-sided welding spiral welded pipe, welded pipe should ensure that hydrostatic test, weld tensile strength and the cold bending performance compliance. Integrity is life. Customer satisfaction is our eternal pursuit. The company promises: equal quality, lowest price, homegrown, credit guarantee. Sincerely look forward to cooperation with friends from all walks of life. The Hebei the Tianhui Pipe Manufacturing Co., Ltd. All SY/T5037-2000, GB/T9711.1-1997 standards and APISpec5L of standards of production φ219-φ2420 Q235, Q345, 10 # steel, 20 # steel, 16Mn, L245, L290, L360 , X42-X70 grade steel different SSAW pipe wall thickness. The products are widely used in the natural gas, petroleum, chemical, electric power, heat, water supply and drainage, steam heating, hydroelectric plants the penstock, thermal power, water and other long-distance transmission pipeline and piling, bridge, steel structure engineering. Spiral Pipe insists grasping the market, internal management, to take the quality and efficiency of development and achieved good economic and social benefits, with strong capital strength, advanced management experience, excellent sales service: strict quality stock management system and The science overall marketing tools, hand in hand with you, common development. The Spiral Pipe network operating principle of a fair, objective, scientific, pragmatic, integrity. Management courteous. Honesty standardize their operations, the courage to open up, to forge ahead in unity future diligently and hard work, to seize the excellent trend of economic development and large-scale development of the western region. Excellent opportunity for the revitalization of the economy in the Northeast proactive with their peers to strengthen exchanges acquaintance friends in the community, with the times to create the greater glory of the enterprise, to make a contribution for the country, for the prosperity and development of the seamless steel pipe industry. Spiral pipe spiral steel pipe, also known as spiral welded pipe, low carbon structural steel, structural steel or low alloy steel strip spiral angle (called molding angle) rolled into a tube, then the tube seam welded together to form it can be produced with a narrow strip of large diameter steel pipe. Spiral pipe is mainly used for oil, natural gas pipelines, its specifications OD * wall thickness, said. Spiral pipe side welding and double-sided welding, the welded pipe should ensure that hydrostatic test, the tensile strength of the weld and cold bending performance compliance. Edit this paragraph Production (1) raw material strip roll, wire, flux. Must go through a rigorous physical and chemical testing before investing. (2) strip head and tail docking, single-wire or double wire submerged arc welding, automatic submerged arc welding and rolled into a steel pipe.