Why can’t 430 stainless steel be used in the manufacture of insulated bottles？

Stainless steel is a kind of metal material with excellent performance, widely used in kitchen utensils, tableware, electrical appliances, building decoration and other fields. Different kinds of stainless steel have different compositions and properties, among which 430 stainless steel is a common stainless steel material and a very high quality one. Due to its special composition and properties, 430 stainless steel has a wide range of applications in various fields.

430 stainless steel is a chromium alloy material containing between 16% and 18% chromium, which has good corrosion resistance and toughness, and is widely used in kitchen utensils, cutlery, electrical appliances, etc. 430 stainless steel is usually chosen because it is relatively economical, corrosion-resistant, and easy to be machined into various shapes. This enables cookware to remain stable at high temperatures and not easily rusted, as well as being easy to clean, meeting the basic needs of kitchen utensils.

However, 430 stainless steel is not suitable for the manufacture of insulated bottles, which are bottles that can maintain the liquid temperature, and are usually made of a double or triple-layer structure, with a vacuum layer or insulating material sandwiched in the middle to prevent heat conduction. The thermal conductivity of 430 stainless steel is relatively high, and heat is easily conducted to the external environment, which can easily lead to the dissipation of liquid temperature. In addition, prolonged exposure to high-temperature liquids may cause 430 stainless steel to release some trace metal components, which may have a negative impact on the thermal insulation performance of the liquid. In contrast, the commonly used insulated bottle material, such as 304 stainless steel contains more nickel elements, making it more insulation performance and corrosion resistance. This material not only effectively isolates external temperatures but also ensures that the liquid maintains the ideal temperature for a long time.

In addition, 430 stainless steel also has some other problems, such as susceptible to acid erosion, susceptible to heat deformation and so on. Since insulated bottles need to be cleaned regularly and have a long service life, they need to have good durability and corrosion resistance. The 430 stainless steel has poor abrasion and corrosion resistance, and is prone to scratches and rust, which affects the aesthetics and service life.

Therefore, although 430 stainless steel has a wide range of applications in other fields, it is not suitable for the manufacture of insulated bottles. When purchasing insulated cups, consumers should choose appropriate materials, such as 304 stainless steel, ceramics, etc., to ensure the effectiveness and safety of use. At the same time, it is also necessary to pay attention to the use and maintenance of insulated bottles, regular cleaning and disinfection, to avoid problems in the process of use, to ensure health and hygiene.