ПК стали бар

pc steel bar Chemical composition of 30MnSiCSiMnPSCu0.27-0.340.60-1.100.90-1.300-0.0250-0.0250.0253. Manufacturing process flow material-descaling-keepstraight-drawing-knurling-heat-quenching-heat-tempering-test-packing 4. 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 Net weight per coil: 1000Kg(1100Kg) 5 The steel PC bar of our company accords with JISG3137-1994(Japan) and GB/T5223.3-2005(China). The amount of products arrives 30,0000 tons per year, The products sell toward hinterland, Taiwan, Korea, Japan, Vietnam and Malaysia etc. Every year export quantity arrives 100,000 tons.