Stainless 304 0.5mm Cold Rolled Steel Coil For Industry

Stainless steel basics

To understand why stainless steel is rust-resistant, and how this resistance breaks down, it is helpful to understand how these alloys are different than other steels.Stainless contains a minimum of 10.5% chromium. This chromium reacts quickly with surrounding oxygen to form a thin oxide layer on the steel's surface. Unlike iron oxide, which often is in the form of flaky and corrosive rust, the chromium oxide clings to the steel. It therefore acts as a protective barrier. The chromium oxide is known as a passive film which seals the iron in the alloy away from the air and water in the environment. This film gives stainless its rust-resistance.Stainless steel is low maintenance, and its resistance to oxidation and staining makes it an ideal material for many applications.There are four main types of stainless steels: austenitic, ferritic, martensitic, and duplex. Austenitic stainless steelis dominant in industry and comprises over 70% of total stainless steel production. Its properties include a maximum of 0.15% carbon and a minimum of 16% chromium, yielding very strong protection against rust. Ferritic stainless steel has reduced corrosion resistance compared to austenitic grades, but fares better than martensitic stainless steel. Duplex stainless steels have high resistance to localized corrosion particularly pitting, crevice corrosion, and stress corrosion cracking.

Product Details

Difference between cold rolling and hot rolling

The stainless steel coil has two opposing technologies. When it exceeds the phase transition temperature of 912 degrees Celsius, it is hot processing, and when the temperature is lower than this temperature, it is cold processing.

Cold-rolled Stainless steel plate:Cold-rolled Stainless steel plate is a stainless steel plate produced by cold-rolling process. Used to make corrosion-resistant parts, pipelines, containers, medical equipment, marine equipment, etc. Divided into austenitic steel, austenitic-ferritic steel, ferritic steel, martensitic steel.

Hot rolled Stainless steel plate :After the straight hair coil is processed by a finishing line such as head cutting, tail cutting, edge trimming, and multi-pass straightening and leveling, then it is cut or re-coiled to become; hot-rolled stainless steel plate. It has a smooth surface, high plasticity, toughness and mechanical strength, and is resistant to corrosion by acids, alkaline gases, solutions and other media. It is an alloy steel that is not easy to rust.

Applications of Stainless Steel
Due to the many great features of stainless steel, it is widely used in many industries. It includes constructions, home appliances, automobiles, kitchen accessories, mechanical structure, decoration engineering, chemical industry, etc.

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!