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1. high precision: cold-drawn square steel can obtain high dimensional precision and surface quality during cold working. Through cold drawing process, the dimensional tolerance of steel pipe can be effectively reduced and higher precision requirements can be achieved. This makes cold-drawn square steel an ideal material for applications requiring high dimensional accuracy.
2. Smooth surface: The cold-drawn square steel has a smooth surface without obvious oxide layer and scratches after many cold-drawn processes. This surface smoothness is very important for some applications that require high internal surface roughness and appearance, such as automobile parts, precision machinery, instrumentation and other fields.
3. Excellent mechanical properties: Cold-drawn square steel has fine and uniform grains due to cold deformation and has good mechanical properties. Its tensile strength, yield strength, elongation and impact toughness are very high, which can meet various engineering and structural requirements.
4. Good machinability: cold-drawn square steel has good machinability and can be used for cutting, cold bending, forming and other processing operations. Because of the high uniformity and stability of materials, cold-drawn square steel is easier to achieve accurate and complex shapes in cutting and plastic processing than hot-rolled square steel or welded steel pipe.
5. High surface quality: the surface quality of cold-drawn square steel is very good after rust removal and other related treatments, and it is not easy to have problems such as oxidation, corrosion and dimensional deviation. Therefore, in some applications with strict requirements on the surface of materials, cold-drawn square steel is an ideal choice, such as precision instruments and photoelectric devices. ? The biggest characteristics of cold-drawn square steel are high precision, smooth surface, excellent mechanical properties, good machinability and high surface quality. These characteristics make cold-drawn square steel widely used in many industries, meeting all kinds of precise and demanding engineering and manufacturing needs.