HRB400 Hrb 335 Steel Rebar Prestressed Construction Bar PC Concrete Iron Steel Bar

PC steel bar is a kind of low carbon alloy steel bar with heat treatment for high strength pre-stressed concrete pile. It is mainly used in producing port concrete pile, high-rise building foundation concrete pile and pier concrete pile, etc.

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After years of efforts, we can produce mature group H beam length 12 M, STAINLESS STEEL ELBOW, End plate for prestressed pipe pile, many of which are exported to different countries and regions and have been recognized and trusted by our valued customers. Customers all over the world are welcome to visit our factory and negotiate coopeartion with us. We use advanced production resource management system and warehouse management system to implement strict quality management for our products. Our company insists on harmonious coexistence with nature, employees and society, which is also the source and driving force of sustainable development of the enterprise. Our company is also actively learning from and introducing advanced technology and production process, the scientific and technological content of products is constantly improving, and the types are also constantly enriched.

Product Introduction

Features

PC steel bar has high strength, toughness, low relaxation and good weldability. Its wire rod has good quality, low inclusion content and high purity. It has stable mechanical properties and is widely used in the construction of houses, bridges, roads and other projects. It is of high quality and is not easy to crack or rust, so you can use it with confidence.

Specification (mm）	Facial shape type	Cross-sectional size （S/mm2）	Tensile Strength (MPA）	Plastic elongation strength (Mpa）	Relaxation rate （%）	Percentage elongation at maximum force （%）	Elogation (MM/M）	Percentage elongation after fracture （%）	Surface quaility




7.1	Spiralgroove	39.0-41.7	≥1420	≥1280	≤2.0	≥3.5	Take a one-meter PC bar and place it on a flat surface, and the maximum natural rise of inside chord and arc is less than 5.0 mm.	≥7.0	No damage and defects which will influence the use is allowed on the surface of the PC bar. Floating rust is allowed.
9		62.4-66.5
10.7		87.8-93.6
12.6		121.9-130.1
14		150.2-160.1

On-line equipment

Pay-off stand→ Wire pack up device→ Mechanical descaling→ Drawing dies box→ Drawing machine→ Straightening→ 1# Cleaning machine→ Traction machine→ 600kW/8kHz IGBT）Pre-heating power supply（600kW/8kHz IGBT Intermediate frequency induction heating power supply）→ （200kW/30kHz IGBT）Temperature pre-raising power supply（200kW/30kHz IGBT Superaudio induction heating power supply）→ （200kW/50kHz IGBT）Temperature raising power supply（200kW/50kHz IGBT Superaudio induction heating power supply）＋Quenching/Holding→ Quenching water tank→ （300kW/8kHz IGBT）Tempering power supply（300kW/8kHz IGBT Intermediate frequency induction heating power supply）＋Tempering and holding pipe→ Tempering water tank→ 2#Traction machine→ Wire leading tank→ Wire leading tank→ 1 Take-up disc 1→ 2 Take-up disc 2

We constantly pursue the maximum satisfaction of customer needs, and strive to achieve the best price and the highest cost performance for the same product in HRB400 Hrb 335 Steel Rebar Prestressed Construction Bar PC Concrete Iron Steel Bar industry. With the progress of society and science and technology, the high-tech enterprises are gradually improving the working environment of employees and the scientific and technological content of enterprises. With the continuous development and growth of our business, our partners are further expanding, and we enthusiastically look forward to the opportunity of cooperation with you.

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