Steel strand is a steel product composed of many steel wires. The surface of carbon steel can be added with zinc coating, zinc aluminum alloy layer, aluminum clad, copper coating, epoxy coated, etc. as required.
Prestressed steel strand, galvanized steel strand and stainless steel strand for electric power. The prestressed steel strand is called unbonded steel strand after coated with anti-corrosion grease or paraffin and wrapped with HDPE. The prestressed steel strand is also made of galvanized or galvanized aluminum alloy steel wire.
Steel strand, aluminum clad steel strand and stainless steel strand.
Prestressed steel strand can be divided into 7, 2, 3 and 19 wires according to the number of wires, and the most commonly used structure is 7 wire. Galvanized steel strand and aluminum-clad steel strand for electric power are also divided into 2, 3, 7, 19, 37 structures according to the number of steel wires, and the most commonly used structure is 7-wire structure.
It can be divided into (smooth) steel strand, galvanized steel strand, epoxy coated steel strand, aluminum clad steel strand, copper-plated steel strand, plastic clad steel strand, etc.
Galvanized steel strand is usually used for supporting cable, stay wire, reinforcing core, etc. it can also be used as the ground wire of overhead transmission, the barrier cable on both sides of the road or the structural cable in the building structure. The commonly used prestressed steel strand in the prestressed steel strand is the uncoated low relaxation prestressed steel strand, which is also galvanized. It is commonly used in bridges, buildings, water conservancy, energy and geotechnical engineering, etc., and the unbonded prestressed steel strand is commonly used in floor and foundation engineering, etc.
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