Super Duplex Steel Grades Plate 309S 4.0* 1500*6000mm Hot Rolled For Industry

Difference between 304 and 309

Alloy 309/309S is an austenitic heat resisting stainless steel. 23% chromium, approx. 5% more than 304 stainless steel gives Alloy 309/309S an edge over 304 stainless steel when it comes to general corrosion resistance at elevated temperatures.

Product Details

Applications of duplex steel

Duplex steel is not only used in various industries such as pulp and paper, onshore and offshore oil and gas industry, chemical processing industry, transportation industry (chemical ships and tankers), pharmaceutical and food industry and construction industry, but also in reaction vessels, various industrial equipment and pipelines. In most applications, duplex stainless steel is considered to be a cost-effective material fills the ordinary austenitic stainless steel 316 austenitic stainless steel and high alloy such as the gap between although generally think that the use of duplex stainless steel because they have a corrosion resistant to chemical products, such as the production of urea and chemical fertilizers, organic acids and containing hydrogen sulfide gas processing encountered some interfaces But the most important applications are in hot water solution media containing chloride ions where austenitic stainless steel does not have sufficient resistance to pitting and stress corrosion fracture, such as heat exchangers, condensers and various vessels.

Company introduction

The company was founded in 2002, is an early engaged in stainless steel professional trade enterprises, the establishment of the initial relying on Shanxi TiSCO stainless steel, Shanghai Baosteel stainless steel, Ningbo Baoxin stainless steel and other steel mills of stainless steel plate, hot rolled coil, cold rolled stainless steel sheet resources and rapid development. Now in Wuxi has a professional stainless steel trading company and a number of stainless steel processing center. The company's stainless steel products including stainless steel plate, steel coil, Angle steel, round steel, steel pipe, special steel and so on, Wuxi Hailang metal welcome you!

    Wuxi Hailang Metal Products Co., Ltd. is a collection of stainless steel trade, processing and distribution as one of the professional service enterprises, the company since its inception, the annual turnover to achieve stable growth, has been with the major domestic steel mills and many direct supply users to establish a long-term and stable strategic cooperative relationship, is the core dealers of major steel mills, heavy contract by credit units! At present, relying on the advantages of logistics in the Yangtze River Delta, resource concentration and advanced technology, the company has developed into a processing, production, storage country, domestic trade and international trade, the integration of industry and trade enterprises, and set up a stainless steel pipe processing center in Qingyang.
    The company's main agents operate TISCO, Baosteel, Lianzhong, Zhangpu, Baoxin and other stainless steel cold rolling, hot rolled coil, flat plate, etc., operating varieties of 201/2B, 202/2B, 304/2B, 316L/2B, 321/2B, 430/2B, 2205/2B, 304/NO.1, 316L/NO.1, 321/NO.1, 2205/NO.1, 310S, 904L and dozens of brands of stainless steel products, the company is always in stock. Main agent business: 430，409L, 201, 304, 304L, 316L, 2205, 310S and other 200, 300, 400 series stainless steel round steel, light element, stainless steel pipe.
    The company's customers are located in all dozens of provinces, involving a wide range of industries, such as: home appliances, elevators, tableware, kitchen equipment, solar water heaters, machinery and equipment, pressure vessels and so on. Since its operation, the company in line with the "integrity, win-win" business philosophy, "high-quality materials, preferential prices, excellent service" service tenet, "modest, diligent, unity, innovation" spirit of enterprise, do our best, create value for customers, keep pace with the times, in order to create a better tomorrow with you!