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PC strands are popular in concrete building as low relaxation and high strength combined steel wire units for concrete reinforcing. The multi-wire structure enables a great strength in concrete pre-stressing. The strand length of 1800mm to 3600mm enables longer span structure construction, makes thinner and lighter elements with a reduction in number of piles. Using pc strands also saves consumption of energy in freight and handling. Especially for large-span concrete constructions in bridges, railway, highway, coal mine, stadiums and multi-storey buildings.
