304 seamless stainless steel pipe is widely used in various industrial applications, especially in environments where the chloride ion content in water is relatively low. This type of stainless steel is commonly found in chemical equipment, acid transport pipelines, heat exchangers, and other systems that come into contact with fresh water. However, when exposed to high levels of chlorine (above 100 ppm), 304 stainless steel can be prone to pitting and crevice corrosion. In harsher environments, intergranular corrosion may also occur, which can significantly reduce the material’s durability and lifespan.
The primary users of 304 seamless stainless steel pipes include heat exchanger manufacturers, boiler plants, water treatment facilities, and chemical processing units. 304 stainless steel is one of the most commonly used materials due to its excellent corrosion resistance against a wide range of acids and alkalis. It is also highly resistant to atmospheric conditions and can maintain its integrity at high temperatures. Additionally, it offers good formability and workability, making it ideal for deep drawing, cold rolling, and stretch forming. Even at temperatures as low as -180°C, 304 stainless steel retains strong mechanical properties and minimal cross-sectional shrinkage, showcasing its excellent low-temperature performance.
In some cases, manufacturers produce rusted stainless steel components that do not meet the required standards, such as those specified by Chinese regulations. For instance, if a SUS304 stainless steel component shows signs of rust, it may not be suitable for use in high-pressure steam sterilizers or medical devices, where corrosion resistance is critical. Such products are considered severely substandard, and the fact that they corrode indicates that they were either improperly manufactured or used in unsuitable environments. Therefore, if a 304 stainless steel tube becomes rusty, it is likely due to exposure to corrosive conditions rather than an inherent flaw in the material itself.
wellhead, gate valve, choke valve, safety valve, ball valve, check valve, globe valve, frac valve, plug valve
CEPAI Group Co., Ltd. , https://www.jscepai.com