15/20kg Black Oxided Barbell Weightlifting Bar with 8 Needle Bearing

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 business philosophy is customer-centric, focusing on the latest needs of our customers and providing them with our most sincere H Beam SS400B, Galvanized Metal Road Safety U Channel Fence Posts, SS400 S235JR S275JR Grade Steel I beam and services. We value customer service and are committed to maintaining long-term, trusting relationships with our customers and providing them with value-added services. We believe that to achieve sustainable operation, we must pursue reasonable profits, develop prospects and seek sustainable development. The company insists on applying "new technologies, new ideas, new processes and new structures" to all products. Since its establishment, our company has been upholding the concept of harmonious coexistence of people and environment and actively promoting the green leading strategy.

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

With the support of our friends from all walks of life, we will continue to innovate and improve our technology and strive to improve the quality of 15/20kg Black Oxided Barbell Weightlifting Bar with 8 Needle Bearing. We constantly strengthen the work of technological innovation to improve the competitiveness of the enterprise market. We have factories, machines, we control the quality of raw materials, and we also have a professional team of workers. We can guarantee that the product quality is good and meet your requirements.

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