ASTM A500 Q235 Mild Steel Profile Hollow Section Iron Pipe/Seamless Steel Hollow 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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By integrating and optimizing our resources, we hope to continue to provide our customers with professional services and reliable, high-quality High quality galvanized steel wire, High Strength Galvanized Steel Wire, GL coils in sheets anti finger. Our products are regularly supplied to many Groups and lots of Factories. Since our company was founded, we have been taking professional route with strict production and experienced construction team to provide high-quality service for our customers. We attach great importance to the development of the great potential of our employees and provide them with continuous training so as to gain skills and accomplishments. We are committed to providing more advanced technology, better products and more thoughtful services, and contributing to foreign trade development.

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

The quality of our ASTM A500 Q235 Mild Steel Profile Hollow Section Iron Pipe/Seamless Steel Hollow Bar is top-notch and our customers have always regarded our company as the most reliable one. We have always focused on being market-oriented, pioneering and innovating for survival, and ensuring credibility with excellent quality. Utilizing the rich and leading sales promotion model, cooperating with constantly updated and stable high-quality products, scientific internal management and perfect after-sales service, we have obtained the full support and care of new and old customers for a long time. We take reform and innovation as the endogenous driving force to drive the company's development and strengthen the support of innovation strategy.

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