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      1. Cold drawn special-shaped steel for mining

　　1, backing plate steel

　　 Cold drawn special-shaped steel for mining can be divided into backing plate steel for mining machinery, which is made of 45# steel;

　　2, ratchet pawl profile steel, ratchet pawl profile steel used for rock drill parts, the selected material is 20Cr steel;

　　3. Chain head section steel, commonly used chain head section steel for mining machinery parts, 35CrMo steel is its main raw material.

　　 2. Cold drawn special-shaped steel for automobiles

　　1. Supporting profile steel, specially used for supporting the teeth of car wrench ratchet handle;

　　2, semi-circular section steel is used more in the field of automobile and steam turbine manufacturing, and its material selection is relatively wide, such as 45#, 45B, and 1Cr13 steel.

　　 3. Pin-shaped steel, used for automobile pin shafts, often uses 45# steel as the main material. In addition, there are cam profiles. It is a section steel product for making automobile pins and automobile engine parts.

　　 3. Cold-drawn special-shaped steel for light and textile machinery

There are many varieties of cold-drawn special-shaped steel, including feeder profile steel, chain section steel, round angle flat steel, knife box flat steel, guillotine steel, oval steel, square hook steel, trapezoidal steel, semi-circular steel , Rack steel, elevator guide rail steel, etc., are all indispensable materials for textile machinery.