Spring Coil Adjuster Good Quality Competitive Price Professional Manufactuer Komastu Hitachi Hyundai Kobelco Ex300-1/ PC300-2/DH280/Dh320/R280/Ec290/R290/R320

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 persevere, provide more, updated, faster and more accurate products for TSINGSHAN STEEL COIL, 250mm 300mm 350mm 800mm 1000mm end plate, steel strand 15 7 mm industry, and sincerely give back to the society. Our goal is to diversify our product line, continue to grow our market share, and establish our brand of excellence. Our sense of cooperation is reflected in obeying the overall situation, integrating into the team, communicating openly, being open and tolerant, taking the initiative, acting positively, being good to others, and being mutually beneficial. We are committed to provide customers with reasonable prices, quality products and services and to become your most reliable supplier, welcome new and old customers to consult and cooperate. We further face the market, adapt to the market, develop the market, and actively adapt to the new situation.

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 have advanced production equipment, excellent technology and marketing network to spread our Spring Coil Adjuster Good Quality Competitive Price Professional Manufactuer Komastu Hitachi Hyundai Kobelco Ex300-1/ PC300-2/DH280/Dh320/R280/Ec290/R290/R320 all over the world. We adhere to the purpose of "scientific and technological innovation, return to users, and dedication to society", actively carry out technological innovation work, and insist on putting customers first. Our company adheres to the principle of 'customer first, service first', which is very beneficial to the establishment of long-term good brand image.

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