Hot Sale Factory Direct Stainless Steel Uns S31703 Ss Polished Square 321 Flat Bars

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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We will continuously create high quality stainless steel strip coil tubing heat exchanger, prefab steel structure shed, pc reinforcement bar and repay confidence and support to all sectors of society with superior products and services. We've been always creating new technology to streamline the production, and give products with competitive prices and high quality! Since its establishment, we have sticked to the business principles of 'people-orientation, and honesty business', and we gather industry elites in our designing and researching section. The company provides services, according to the customer's customized requirements, by professional designers to design proofing until the customer is satisfied. Facing the future, we unswervingly take the road of sustainable ecological environment and sustainable development of resource 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 make every effort to produce and promote Hot Sale Factory Direct Stainless Steel Uns S31703 Ss Polished Square 321 Flat Bars, serve the whole country, and go international, making our company a company that the society needs. The company actively promotes changes, deploys an intelligent manufacturing system and an intelligent service system with Internet thinking, and creates a world-leading new system of research and development, production, manufacturing and service. We always insist on honest and trustworthy, compliant operation, and strive to cultivate a corporate culture with high standards and in line with business ethics and compliant operation principles.

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