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Steel strand for prestressed concrete

Time:

Aug 28,2023

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Ordinary steel strand (I. e. bonded prestressed steel strand) is made of high carbon steel wire rod, which is cold drawn into steel wire after surface treatment, and then a certain number of steel wires are twisted into strands, and then after the stabilization treatment process of eliminating stress. In order to extend the durability, the steel wire can have metal or non-metal plating or coating, such as zinc plating, epoxy coating, etc. To increase the grip with the concrete, the surface can be scored. The unbonded prestressed steel strand is made of ordinary prestressed steel strand, coated with anti-corrosion grease or paraffin and coated with high density polyethylene (HDPE).

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Aug 28,2023

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