Stainless steel material into ordinary carbon steel, high-quality carbon steel, alloy pipe, steel pipe, bearing steel, stainless steel, and to save precious metals and meets bi-metal composite pipe, coatings and coated pipes and other special requirements . Many types of stainless steel tube 316 stainless steel rails, for different purposes, different technical requirements, production methods are also different. Pipe diameter range of current production 0.1-4500mm, wall thickness 0.01 ~ 250mm. To distinguish its characteristics, usually by the following method for steel classification. Production of stainless steel pipe production is divided into two major categories of stainless steel seamless and welded fence, can be divided into hot-rolled seamless steel tubes, cold-rolled, cold drawn tubes and stainless steel rails price squeeze tubes, cold drawn, Cold rolled steel pipe is secondary processing; Longitudinal and spiral welded pipe and so divided. And appearance quality A, according to GB14975-2002 "stainless steel seamless pipe," the provisions of 304 stainless steel rails, length of pipe is usually (not length) hot-rolled steel 1.5 ~ 10m, hot extruded pipe is equal to and greater than 1m. Cold drawn (rolled) pipe wall thickness 0.5 ~ 1.0mm were, 1.0 ~ 7m; wall thickness greater than 1.0mm were, 1.5 ~ 8m. 304 stainless steel rails | Shengda Po-commerce (certified) | stainless steel rails supplied by Tianjin Hexi Shengda Bao Jie Trading Company. Bao Jie Tianjin Shengda Trading Company (www.sdbjsm.com) is Tianjin, hardware leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shengda Po-commerce leader in the staff warmly welcome all inquiries negotiations to create Shengda Po-commerce a better future.