Customized Music Wire Small Spring Steel Flat Torsion Spring

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.

Send Inquiry

With professional technology, professional team and scientific management, we ensure that we can create national standard quality Steel Strand, steel elbow pipe and fittings, 40mm pc steel bar for our customers and provide them quickly to establish a long-term relationship of trust with them. Our company takes the market as the guidance, expands the new product unceasingly, increases to the new product technical research and development, has established our company specialized development solid pattern. On the basis of independent development, we have learned and absorbed the latest research results in the field of science and technology in the world.

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

In order to promote the development of the Customized Music Wire Small Spring Steel Flat Torsion Spring industry, we will continue to adhere to the development strategy of 'Science and Technology', through continuous technological innovation and closely combining market demand, we will develop more high-quality and efficient new products. Through unremitting innovation efforts, we continue to promote comprehensive innovation, transformation and upgrading of our industrial segments. We have been serving friends around the world with high quality products and the service tenet of 'for customers'.

Hot Tags: pc steel bar, China pc steel bar suppliers, manufacturers, factory, Prestressed steel strand ASTM A416, gambrel steel scissor truss, steel beam for structural purposes, blue coated steel sheet, 250mm 300mm 350mm 800mm 1000mm end plate, Galvanized Steel Strand for ACSR