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Carbon steel is the basis of iron-carbon alloy, and its raw materials are widely available and relatively stable in price, which helps to reduce production costs. Carbon steel has good machinability and is easy to cut, form and heat treat, which enables the use of efficient automated production lines in the production process, improves production efficiency and reduces labor costs. The preloaded torque design not only improves the fastening performance of the nut, but also simplifies the installation process to a certain extent, reducing the additional costs caused by improper installation. Mass production can further dilute fixed costs, such as mold development, production line commissioning, etc., making the cost of each product lower.
Although ordinary carbon steel nuts are also relatively low in cost, they may not perform as well as Carbon Steel Prevailing Torque Type Hexagon Thin Nuts in actual applications without a specific preloaded torque design. The preloaded torque design ensures that the nut can generate and maintain a stable preload during the fastening process, which is important for improving the reliability of the connection and reducing looseness and failure. Therefore, in some occasions with high requirements for fastening performance, even if the cost of ordinary carbon steel nuts is lower, it may be necessary to choose carbon steel pre-tightening torque type hexagonal thin nuts to ensure the stability and safety of the connection.
As a commonly used metal material, carbon steel has a wide range of applications in the field of mechanical manufacturing, mainly due to its good mechanical properties, such as high strength, good plasticity and weldability. However, as you mentioned, the corrosion resistance of carbon steel is indeed relatively poor, especially in a humid environment containing corrosive media. In this environment, carbon steel nuts are prone to electrochemical corrosion, resulting in rough surface and thread damage, which in turn affects their fastening effect and overall service life.
In contrast, stainless steel contains a certain amount of chromium, which can form a dense passivation film on the metal surface, effectively preventing the intrusion of oxygen and other corrosive substances, thereby greatly enhancing its corrosion resistance. This feature makes stainless steel nuts widely used in marine engineering, chemical equipment, food processing and other occasions that require high corrosion resistance. Stainless steel nuts can not only maintain long-term beauty and cleanliness, but also ensure the stability and safety of the connection, and reduce failures and maintenance costs caused by corrosion.
Carbon Steel Prevailing Torque Type Hexagon Thin Nuts can meet the requirements of general industrial applications in terms of strength. Its preloaded torque design enables the nut to generate a stable preload during the tightening process, thereby improving the reliability and safety of the connection. However, it should be noted that due to the thinness of the nut, its load-bearing capacity may be limited to a certain extent.
The strength of ordinary nuts depends on their specifications and materials. Generally speaking, the larger the specifications and the better the material of the nut, the higher its strength. In situations where it is necessary to withstand large loads, it is necessary to select nuts of corresponding specifications and materials to ensure the strength and safety of the connection.
