AISI 1020 / S20c / Ss440 / A36 Hot Rolled Steel Square Anf 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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It is our eternal pursuit to provide reliable PC STRAND Grade 270 Low Relaxation, SS400 S235JR S275JR Grade Steel I beam, Deformed PC Steel Wire BS5896 2012 for domestic and foreign customers and provide users with value-added services. We provide customers with high-quality products and a full range of services with scientific management, strong research and development and continuous improvement of productivity. Our company has nurtured the traditional culture based on hard work and the spirit of the times characterized by pioneering and innovation in the arduous and arduous entrepreneurship. For many years, we always regard harmonious development as one of the important ideas of enterprise management. We will provide customers with affordable and perfect unified design solutions, bring good market effects to enterprises, and assist more business partners in the rapid and healthy 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

We are constantly optimizing our AISI 1020 / S20c / Ss440 / A36 Hot Rolled Steel Square Anf Flat Bar with our long-standing experience and advanced technologies learned from a wide range of fields. We are based on the domestic market, open up the foreign market, welcome customers from all over the world to bring our products. We can provide a multi-channel, all-round and professional service system to respond to the diverse needs of customers in a timely manner.

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