The Hebei Hua Tuo Jia Ye Steel Trading Co., Ltd. Shijiazhuang Sales Hotline: Manager Ma 0311 67,790,216 13,930,425,223 1,512,819,626,680,816,223 Fax 0311 -67,790,217 Website: http:www.hbhtgt.net Spiral characteristics: Longitudinal production process is simple, the production efficiency , low cost, rapid development. The strength of the spiral welded pipe Longitudinal generally higher than can narrow the billet production of large diameter pipe, you can use the same width of the billet production of different diameters of pipe. However, compared with the same length of straight pipe joints, weld length of 30 to 100%, and lower production rate. Therefore, most of the smaller diameter pipe straight seam welded pipe of large diameter are mostly spiral welded. Generally used Coil material: Q235A, Q235B, Q345, L245, L290, X42, X52, X60, X70, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb. The spiral is mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, is one of the key products of our development of twenty. For the transport of liquids: water supply, drainage, sewage treatment works, transmission and mud, marine conveyance. For gas transportation: gas, steam, liquefied petroleum gas. For structural purposes: for piling pipe for bridges; docks, roads, building structure pipe, marine piling pipe. The company's products fully comply with the technical requirements of the national standards, according to the international standards of ISO, BS, ASTM, DIN supplier according to user needs. Commitment :: length to provide customers with special requirements, cut, cut, polished grinding services. Quality based on the full implementation of quality management. Quality to win the trust of customers, to meet the market, technology product that is character, integrity is life. Customer satisfaction is our eternal pursuit. The company promises: the same quality steel, steel pipe lowest price, the real benefit to the end user. The site billing - loading - billing the train service, you can complete the whole process of delivery to allow customers to sit in the foyer. The the Hebei Hua Tuo Jia Ye Steel Trading Co., Ltd., full AOD governance refining, quality assurance.