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Cold drawn round steel, also known as cold drawn round steel, cold drawn yuan steel, cold drawn round steel and smooth round steel, is a kind of cold drawn section steel. Whether it is cold drawn round steel or round steel, its shape is round, but the cold drawn round steel has smooth surface, high dimensional accuracy and high mechanical properties. Due to its high dimensional accuracy, it can be used directly without processing.
Cold drawn round steel is a kind of round steel with high precision, which can be directly used as a shaft. The corresponding ordinary round steel without reprocessing is our common round steel for construction. The heat treatment state of the supply is "normalizing", which is of ordinary grade in terms of dimensional accuracy and material quality.
Cold drawing process:
rolling head→shelling→passing lubricant box→into the wire drawing die hole.