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Cold drawn square steel is a metal processing technology, also known as cold drawn square steel, cold drawn square steel or cold drawn square steel. It is opposite to the thermoforming process. Hot forming is processed when the material is at high temperature, while cold drawing is performed when the material is at normal temperature. 

1. The process of cold drawing is to stretch and deform metal materials through special molds to reduce the size of the machine and improve its physical properties.
2. Through cold drawing, the grains of metal materials can be refined and internal defects can be eliminated, thereby improving its strength, hardness and toughness. In addition, cold drawing can also improve the surface quality of metal materials, making them smoother and more uniform, and the tolerance size can be controlled within five wires. Cold drawn square steel is widely used in various machinery manufacturing and metal accessories industries.