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Steel strand for urban overpasses


Category:

PC strand

Introduction MAINFEATURE Prestressed steel strands are widely used, such as bridges, subways, railways, sleepers, poles, dams, nuclear power plants, high-rise buildings and private buildings. Its main features are low relaxation, good stability, high tensile strength, long shelf life, and not easy to break

APPLICATION & ACHIEVEMENT

PC strand and wire are mainly used to make large, medium and small concrete components of various shapes that are stretched successively, such as railways, highways, urban viaducts and long-span prefabricated components and earthquake-proof structures, etc.They can save steel and reduce the weight of components. It is an internationally recognized new building materials.

QUALITY INSPECTION

(1) Wire rod
Raw material for steel wire products is supplied by steel mill. Steel mils make wire rod by hot rolling process from bilet
(2) Surface treatment
Descaling wire rod removes rust and scales on the surface of wire. Surface coating wire rod facilitates drawing
(3) First Drawing
Descaled and surface coated wire rod is brought to 1st drawing machine to draw to required diameter and to give mechanical properties suitable for application.
(4) Stranding
Positioning the wires within the strands
(5) Stabilizing
Heat treatment process using high frequency relieves and removes stress.

QUALITY INSPECTION

PACKING & SHIPPING

COOPERATION PROJECTS

Keywords:   

PC strand

Plain wire

Sprial wire

Three sides indented pc wire

Spring wire

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