Hot Rolled 30mm S275jr Iron Rod Carbon Mild Steel Bright Round 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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We can easily normally satisfy our respected buyers with our excellent high-quality, excellent selling price and good service due to we've been far more expert and more hard-working and do it in cost-effective way for hot dip galvanizing I Beam, dx51d z140 Galvanized Steel Coils, High quality Deformed PC Steel Wire. We popularize quality management knowledge among employees, so that every employee can participate in quality management. We constantly improve our corporate image, improve the quality of our employees and enhance our competitive advantage. We hope to exert influence on all our partners gradually and promote social harmony and common progress. We will take the development of the enterprise as our first priority and rely on technological innovation to speed up our business.

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

Our company attracts and recruits a large number of professionals, constantly improves the quality of products and services, and vigorously develops new Hot Rolled 30mm S275jr Iron Rod Carbon Mild Steel Bright Round Bar to achieve large-scale operations. We strive to expand product application areas, improve product testing accuracy, and enhance product science and reliability. We sincerely hope that friends from all walks of life will care and support the development of our company in the future, and contribute to the development of our company through various channels.

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