St37 St52 Seamless Steel Pipe Tube Hollow Bar with Thick Wall

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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The performance of our products has also been fully affirmed by the majority of users. While implementing the quality strategy, we pay more attention to the improvement of the technical quality of our employees, because we believe that only excellent talents can produce more perfect Color Coating Steel Coils, COLD ROLLED STAINLESS STEEL COIL, GI strip slitting coils. Customer relationship management can optimize the relationship between our company and customers and make the customer life cycle continue, so as to achieve long-term benefits for our company. The company has established a marketing and service network in China to provide users with timely services. In the face of opportunities and challenges, we continue to surpass ourselves, and dedicate advanced products and thoughtful services to customers at home and abroad. We are also committed to promoting environmental protection and sustainable development, resource conservation and circular economy construction.

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

By improving the management of company, strengthening marketing, bettering the development and management of human resources and strengthening customer's management, we perform the above strategy to make the company in the leading position of St37 St52 Seamless Steel Pipe Tube Hollow Bar with Thick Wall field. The excellent quality, reasonable price and good after-sales service of our company's products have been well received by customers abroad. Creating a first-class team is the guarantee of our target strategy and our core competitiveness.

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