PC Stahlstange

pc steel bar The PC steel bar is mainly used for building industry, it is the main steel material in pipe pile foundation, has high strength, low usage of metallic material, convenience usage and the quality was easily promised. It has a extensive usage building industry. Manufacturing process flow material-descaling-keepstraight-drawing-knurling-heat-quenching-heat-tempering-test-packing Grad and technological properties Nominal diameter: 7.1mm,9.0mm,10.7mm,12.6mm Tensile strength ≥ 1420Mpa Yield strength ≥ 1275Mpa Elongation ≥ 5% Low relaxation ≤ 1.5% Straightness ≤ 2mm/m