Steel strand is an iron and steel product composed of several steel wires, which can be divided into prestressed steel strand, unbonded steel strand, galvanized steel strand, etc. The carbon steel surface can be added with zinc coating, zinc aluminum alloy coating, aluminum coating, copper coating, epoxy resin coating, etc.

The most commonly used steel strand is galvanized steel strand and prestressed steel strand. The diameter of common prestressed steel strand is in the range of 9.53mm-17.8mm. Coated with anti-corrosion grease or paraffin, HDPE is called unbonded prestressed steel strand.

Galvanized steel strand is usually used for messenger wire, guy wire, core wire or strength member etc., it can also be used as ground wire for overhead transmission, barrier cable  on both sides of highway or structural cable in building structure. The commonly used pre-stressed steel strand is uncoated low relaxation pre-stressed steel strand. There are also galvanized ones, which are commonly used in bridge, construction, water conservancy, energy and geotechnical engineering. The unbonded pre-stressed steel strand is commonly used in floor and foundation engineering.

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