Carbon steel washers are a common metal washer. Its working temperature usually does not exceed 538 degrees Celsius. It is especially suitable for high-concentration acids and many alkaline solutions. Carbon steel washers are usually used in equipment under high-temperature working conditions, such as equipment under hot water working conditions. The Brinell hardness is about 120. Compared with washers made of other materials: Compared with washers made of other materials, carbon steel washers have certain advantages. For example, compared with stainless steel washers, carbon steel washers are more economical, but they are not as good as stainless steel washers in terms of corrosion and rust resistance. When choosing washers, you need to decide what material to use based on the specific application and needs.