<span>The wire rope needs to bear the effect of alternating load during the use process, and its use performance is mainly determined by the mechanical properties of the steel wire, the surface condition of the steel wire and the structure of the steel wire rope. The steel wire material includes carbon steel or alloy steel, which is formed by cold drawing or cold rolling. The cross section of the steel wire has round or special shape (T type, S type and Z type). The special shape cross section steel wire is mainly used for the production of sealed steel wire ropes. High tensile strength and toughness, and appropriate surface treatment of steel wire to meet the needs of different environmental conditions.</span>