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1. The use of 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.
2. The original material of PC BAR
Chemical composition of 30MnSi
C Si Mn P S Cu
0.27-0.34 0.60-1.10 0.90-1.30 0-0.025 0-0.025 0.025
3. 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)
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 product sells toward hinterland, Taiwan, Korea, Japan, Vietnam and Malaysia etc. Every year export quantity arrive 50, 000 tons.
PC Steel Bar
