Stock St52 Seamless Steel Pipe Hollow Bar with Thick Wall High Wall Thickness

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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Our success counts on building trusted, long-term client relationships, and focus on delivering first-class products and cost control. To make professional and advanced U channel and C channel, pre painted galvanized steel coils, Hollow reinforced concrete spun pile machine, we're committed to adhering to the strictest standards during manufacturing process. Please send us your specifications and requirements, or feel free to contact us with any questions or inquiries that you may have. We insist on relying on our employees, training them, and making them successful, so as to achieve the common progress of the company and its employees. For technical innovation, our company have the fearless spirit of a pathbreaker. With our superb technology and high-quality service, we are favored by large customers at home and abroad, and have won wide acclaim from all walks of life.

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 will create high-quality brands and create a monument of Stock St52 Seamless Steel Pipe Hollow Bar with Thick Wall High Wall Thickness industry and move forward forever. With the enterprise spirit of 'pragmatism, quality, innovation, development', we provide customers with satisfactory product services and comprehensive technical support, so that users have no worries. We strive to build the company into a large enterprise with our innovative perseverance and willingness to devote ourselves to thinking, working and fighting.

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