Low Carbon Steel 20cr Steel Alloy Structural Steel Flat 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 are proud of the superior customer gratification and wide acceptance due to our persistent pursuit of top of the range both of those on merchandise and service for colour coated roofing galvanised sheet, I shapes structural steel, SS400 hot rolled h beam. We should not only help our employees succeed in their careers, but also make their lives meaningful and fun. We fulfill our corporate environmental responsibility, continue to advocate and practice the concept of green development, and continue to provide high-quality, safe and environmentally friendly products and services to the society. We work closely with our customers to manufacture products that meet the ever-changing requirements of the market. Based on a positive, enthusiastic, and refined corporate work attitude and the corporate spirit of 'honesty, responsibility, hard work, and dedication', our company has established long-term partnerships with customers.

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

Since the establishment of our company, we have provided many Low Carbon Steel 20cr Steel Alloy Structural Steel Flat Bar and services to meet the needs of the society with our technological development strength. On the basis of summarizing the existing technologies at home and abroad, we adopted innovative technologies, obtained customer recognition and achieved good economic benefits. In order to promote the healthy and sustainable development of the industry, we cultivate reserve skilled talents.

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