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News
NEWS CENTER
16
2023
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01
304 stainless steel pipe manufacturer: What is the "secret" of stainless steel products that don't rust?
The manufacturer provides the following explanation: Stainless steel remains stainless, or resists rust, due to a displacement reaction between the alloy composition of the stainless steel and the environment. Stainless steel contains iron, chromium, manganese, silicon, and carbon, and in most cases, a significant amount of nickel and molybdenum. These elements react with oxygen from water and air to form a very thin and relatively stable film. This film consists of metal fluorides and nickel hydroxides, as well as corrosive chemical molecules. Aluminum plays a dominant role in the formation of this protective film. In fact, the aluminum content in each stainless steel product pipe accounts for 10%. The manufacturer states that the appearance of this stable film as a natural barrier limits the damage of oxygen and water to the metal surface, preventing further corrosion. Because the formation of this film is very tight, even a small amount of coating can reduce the corrosion rate to a very low level. However, this film is much thinner than the wavelength of light, so it can only be observed with modern instruments. Therefore, although stainless steel pipes...
The manufacturer explains that stainless steel's resistance to rust is due to a displacement reaction between the alloy's composition and the environment. Stainless steel contains iron, chromium, manganese, silicon, and carbon, and in most cases, significant amounts of nickel and molybdenum. These elements react with oxygen from water and air, forming a thin, relatively stable film. This film consists of metal fluorides and nickel hydroxides, as well as corrosive chemicals. Aluminum plays a dominant role in forming this protective film. In fact, each stainless steel pipe contains 10% aluminum. The manufacturer states that this stable film acts as a natural barrier, limiting oxygen and water damage to the metal surface and preventing further corrosion. Because this film is extremely thin, even a small coating can significantly reduce corrosion. However, this film is much thinner than the wavelength of light, so it can only be observed with specialized equipment. Therefore, while stainless steel pipes, as stainless steel products, are not immune to damage, stainless steel exhibits its non-rusting characteristic. Ordinary, inexpensive steel reacts with oxygen to form a relatively unstable compound/nickel hydroxide film. This film continues to grow over time. If exposed to humid air for a long time, this film, known as rust, expands its corrosive area rapidly after a chemical reaction with water vapor in the air, making the rust easily visible. In short, stainless steel pipes do not rust because they react sufficiently with oxygen in the presence of oxygen and water, forming a passivation corrosion layer to prevent further corrosion. Due to its durability and corrosion resistance, stainless steel pipes are widely used in various products, from kitchenware and storage to kitchen sinks, assisting our daily lives. Foshan Zhongyan Stainless Steel, a company with a strong online presence, has been dedicated to the production and customization of stainless steel pipes for 20 years. It owns three well-known stainless steel material brands: Yueliang 304, Jingxin 201, and Ganggangliang 304D (QN1803). It has several stainless steel pipe production bases, with nearly 200 advanced stainless steel pipe production lines, an annual production capacity exceeding 70,000 tons, a complete range of products, and sufficient spot inventory of basic pipes, ensuring prompt delivery.
Tianjin Zhongxinglida Stainless Steel Products Co., Ltd.
Tel：+86-22-29481476
Mobile：+8613902071446 Yang Zhiguang
Address: Liga Zhuang Industrial Zone, Shigezhuang Town, Wuqing District, Tianjin
Copyright © 2022 Tianjin Zhongxinglida Stainless Steel Products Co., Ltd.