diameter:4.0 -- 12.0mm tolerance: +/-0.05mm tensile strength:1470--1860Mpa Elongation:3.5 Features: 1) Widely used in PC construction: a) Large bridges, overhead roads b) Tall buildings, large span industrial buildings, storehouses, gymnasium c) Dams of reservoirs d) Hydropower stations, atomic reactors and nuclear power stations e) Airports, railway stations docks 2) No weld 3) Low relaxation 4) High strength 5) High yield strength 6) High elastic modulus 7) Good stretch performance 8) No relaxation after cutting 9) Equalized quality 10) Large coil 11) Strong and film packing