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Rich Experience
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Product Application
Prestressed steel products are used to match the high-end structured of concrete such as railways, highways, bridges, mine, nuclear power plant, hydro-power, large-span buildings and used in producing port concrete pile, high-rise building foundation concrete pile and pier concrete pile, etc.
Competitive Price
We offering a higher-quality product or service at an equivalent price. As a result we have a growing and loyal customer base.
Our Service
Yogiant has a professional and highly experienced workforce. With years of business operation, they possess strong capability of business consultation and project design and can skillfully and quickly meet customers' packaged business requirements before sales.
After sales, Yogiant has a number of core logistics resources such as port, storage and transportation which are of favorable credits, reliable reputation and standard management. The company has formed a convenient and efficient capability of logistics control and management, providing customers with a complete solution of logistics.
What is PC Steel 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. It has undergone rigorous inspection, the material is superior, and the quality is up to standard.
Advantages of PC Steel Bar
Strong and durable
PC Steel Bar has exceptional mechanical strength and durability, ensuring that your structures last for an extended period.
High tensile strength
PC Steel Bar with high carbon content, which gives it excellent tensile strength.
Uniform diameter and smooth surface
PC Steel Bar has a uniform diameter and smooth surface, making it easy to work with during the construction phase.
Resistant to fatigue and corrosion
PC Steel Bar is resistant to fatigue and corrosion, making it ideal for use in harsh environmental conditions.
Easy to transport and store
PC Steel Bar is easy to transport and store, saving you valuable time and money.
Applications of PC Steel Bar
PC Steel Bar has a wide range of applications, making it a valuable product for a variety of industries. Some of the applications of our PC Steel Bar include:
- Railway and highway construction
- Tunneling and bridge construction
- Pre-stressed concrete structures
- Building construction
Features of PC Steel Bar
PC Steel Bar is a pre-stressed concrete steel bar with significant tensile strength. The PC Steel Bar has a smooth surface and uniform diameter, allowing easy processing during the construction phase. It is available in different sizes and lengths as per your project's requirements. The PC Steel Bar has a high carbon content that provides it with exceptional mechanical properties, including excellent elasticity, ductility, fatigue resistance, and high tensile strength.
The PC Steel Bar is manufactured using two different types of low-relaxation strands. The 4.8mm and 5.0mm low-relaxation strands have been tested and proved to deliver maximum strength and durability to the final product. We use advanced manufacturing processes and high-quality raw materials to produce PC Steel Bar that is reliable and long-lasting.
PC Steel Rod Production Process
Preparation of raw materials
The raw material for PC steel rods is mainly polycarbonate (PC) particles. Before production, it is necessary to check the quality of raw materials to ensure that their quality meets the production requirements. At the same time, you also need to prepare the appropriate amount of additives and masterbatches according to the production plan and formula.
Dosing and mixing
According to the production needs, PC particles, additives and masterbatches are added to the mixing equipment for mixing according to the formula ratio. During the mixing process, make sure the components are fully and evenly dispersed in the raw materials to improve the quality and stability of PC steel rods.
Melt extrusion
Add the mixed raw materials into the extruder, through the action of high temperature and pressure, make the raw materials melt into flowing liquid. Then, the molten liquid is extruded into the desired shape of steel rods through the mold. During the extrusion process, parameters such as temperature, pressure and speed are controlled to ensure that the size and shape of the steel rods meet the requirements.
Cooling and shaping
The extruded PC steel rods need to go through the cooling and molding process to fix their shape and get the required physical properties. Typically, PC steel rods are rapidly cooled by water or air cooling and then shaped as necessary to ensure that their shape is stabilized.
Cutting and packaging
According to the requirements of customer orders, the shaped PC steel rods will be cut and packaged. During the cutting process, make sure the size is accurate and the cut is smooth. When packing, appropriate protective materials should be used to prevent PC steel rods from being damaged or contaminated during transportation and storage.
Quality inspection
During the production process, PC steel rods need to undergo strict quality testing to ensure that their quality meets customer requirements. The testing items include size, appearance, physical properties and so on. Unqualified products need to be reworked or scrapped.
Storage and transportation
PC steel rods should be stored in a dry, cool and ventilated place, avoiding direct sunlight and high temperature. During transportation, appropriate means of transportation should be used to ensure that the products are delivered to the destination safely and without damage.
The Solution to the Problems of Pc Steel Rods
The common problems of PC steel rods are: Delayed fracture, insufficient strength and unqualified flatness. The first of these defects is caused by raw material defects, the latter two are caused by the production process. The solutions are as follows
Raw material
Good raw material quality is the key to improve the quality of PC steel bars. Internal inclusions and compositional segregation of billet have serious influence on the quality of PC bar.
Internal inclusions
Control measures: Reduce the S and P content of raw materials, and ensure high desulfurization and dephosphorization rate in smelting process; use compound deoxidizer for deoxidizer, and use argon sealing for ladle injection protection sleeve to prevent secondary oxidation of liquid steel; use argon sealing for crystallization; and use argon sealing to prevent secondary oxidation of liquid steel; and use composite deoxidizer in steel.
Steel secondary oxidation; crystallizer using electromagnetic stirring technology, so that grain refinement, inclusions fully floating.
Ingredient segregation
Control measures: Low superheat casting, which is conducive to increasing the width of the central equiaxial crystal area, reducing the segregation caused by the selection of crystallization; appropriate low pulling speed; electromagnetic stirring technology, through the stirring to interrupt the dendritic crystals and eliminate bridging, increase the equiaxial crystal width.
In addition to bridging, increase the equiaxial crystal area, improve the center loose and segregation.
Weiss organization
Control measures: Appropriate control of the composition, especially the carbon content, to avoid the easy formation of Weissite interval; reasonable temperature, for 30MnSi ****** quenching temperature is 900 ℃, tempering temperature is 400 ℃; appropriate addition of alloying elements, can increase the temperature and tempering temperature; appropriate alloying elements, can increase the temperature and tempering temperature.
When adding alloying elements, can improve the hardenability, strengthen the matrix, expand the austenite zone.
Coarse organization
Control measures: PC steel bar factory using cycle quenching process, should be added in the two quenching process of a tempering treatment, can effectively refine the grain size of PC steel bar.
What Is the Material of PC Steel Bar
The material of PC steel bar is mainly 30MnSi alloy steel.
PC steel bar is the abbreviation of steel bar for prestressed concrete, which is one of the main materials in high-strength PHC foundation piles for high-rise housing construction, and is also a kind of prestressing steel with high technical content. This kind of steel is developed by Japan High Frequency Thermal Refining Co., Ltd. in s, and was approved by Japanese patent in , belonging to the intermediate strength level of prestressing strength level, it has the characteristics of high strength toughness, low relaxation, strong grip with concrete, good weldability, upsetting and forging, saving materials, etc., and it has been widely used in the high-strength centrifugal concrete prestressing pipe piles, electric poles, elevated piers, railway track sleepers and other prestressing structures. It has been widely used in high-strength prestressed concrete centrifugal pipe piles, electric poles, viaduct piers, railroad sleepers and other prestressed components, and has a very broad market in the international market, especially in Asia.
The Difference Between PC Steel Rods and Steel Bars
Definition of rebar and PC bar
Steel bar is a kind of steel used for concrete reinforcement, which has a curved bent section and generally has a diameter of more than 6 millimeters. And PC steel bar, also called round steel, is a kind of steel with cylindrical shape, its diameter is generally less than 6 millimeters.
Difference in mechanical properties
Reinforcing bars and PC steel rods differ in the forces they carry and their shapes. The main role of the steel bar is to give the concrete structure to strengthen the longitudinal tensile strength, so that it is not easy to break. Because the surface of the rebar is specially grooved, it is able to bond better with the concrete. PC steel bars, on the other hand, are mainly used to reinforce the transverse strength of the concrete structure and to withstand shear forces because of its more robust shape. Therefore, the applications in construction are different; steel bars are suitable for reinforcing columns and beams, while PC steel rods are suitable for concrete walls.
Differences in surface treatment
Due to the special surface grooves required for steel bars, it has a smoother surface. This helps to increase the adhesion between the concrete and the rebar, and also prevents the formation of too many voids between the rebar and the concrete, preventing excessive pressure between the rebar and the concrete due to temperature changes. PC steel bar, on the other hand, has no grooves, and the surface looks much rougher.
Differences in quality standards
The production and quality standards of steel rebar and PC steel rods are also different. Reinforcing steel bars must meet the requirements of the national production standard GB-. PC steel bars, on the other hand, meet different production standards and have different product quality, so they will be different in price and quality.
Difference in application scenarios
Steel bars and PC steel rods are also used in different scenarios in construction. Steel bars are mainly used to bear the longitudinal load of the concrete structure, so the position in the building is relatively fixed, generally used to reinforce the columns and beams. PC steel rods, on the other hand, are suitable for reinforcing concrete walls, and it is generally used in concrete structures in small and medium-sized buildings. In addition, PC steel rods can also be used to make hardware products, such as brackets and screws.
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Pc Steel Bars Properties
Our Factory
Suzhou Yogiant Holdings Company Limited, was founded on May 26th, , with the registered capital (actual subscription) of 159 million yuan. Yogiant specializes in the international and domestic trade of steel, construction materials, machinery and equipment, with great business range covering steel products, special equipment and accessories for concrete pile industry and concrete products. With the development of three years, Suzhou Yogiant has gradually built its well-established service networks in Shanghai, Guangdong, Zhejiang, Shandong, Jiangsu, Tianjin and Hebei, and also has set up the overseas service networks in Hong Kong, Ho Chi Minh and Jakarta. Suzhou Yogiant has adhered to its business philosophy of "honest operation, mutual benefit and win-win cooperation" and advocated the idea of "regarding suppliers as source, employees-oriented and customers go first" since its foundation in . Yogiant would like to make full use of its advantages in resources, capital and creditability, and continuously develop new business areas, and sincerely provide customers with quality products and services.
Be professional at work, and be grateful in life. Suzhou Yogiant always follows this principle and keeps pace of the times. The "partnership" mechanism is adopted in Yogiant's recruitment to attract more talented people, which also clearly demonstrates its core value of "co-building, sharing and win-win cooperation". Yogiant is dedicated to setting up an excellent platform for comprehensive trade and service, thereby creating more value for its customers, suppliers, employees and shareholders.
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FAQ
Q: Why can PC steel rods save materials?
A: Because of the high strength characteristics of PC steel bars, it can replace larger hot-rolled steel bars with smaller diameters. For example, φ11mm PC steel bars can replace φ20mm hot-rolled steel bars.
Q: What are the main features of PC steel rods?
A: PC steel rods have the characteristics of high strength and toughness, low relaxation, strong grip with concrete, and good weldability and upsetting properties.
Q: What is the main use of PC steel rods?
A: PC steel rods are widely used in prestressed concrete structures in construction, bridges, tunnels, water conservancy, subway and other engineering fields.
Q: What effect does the relaxation of PC steel rods have on its performance?
A: The relaxation of PC steel rods refers to the phenomenon that its prestress gradually decreases with time. The lower the relaxation, the stronger the prestress retention ability and the better the structural performance.
Q: How is the production technology of PC steel rods developing in my country?
A: Although the production of PC steel rods in my country started late, production capacity has been significantly improved through technology introduction and equipment innovation.
Q: What are the main raw materials of PC steel rods?
A: The main raw material of PC steel rod is twist-free cold and hot-rolled wire rod, and the main grades of steel are 30MnSi, 35Si2Mn, etc.
Q: What is the corrosion resistance of PC steel rods?
A: Ordinary PC steel rods have relatively poor corrosion resistance, but their corrosion resistance can be improved through surface coating or alloying.
Q: What are the environmental considerations for PC steel rods?
A: Environmental factors need to be considered during the production and use of PC steel rods, such as adopting environmentally friendly production processes, improving resource utilization and reducing waste emissions.
Q: What significance does the weldability of PC steel rods have to its application?
A: Good weldability makes the connection and repair process of PC steel rods more convenient and faster, improving construction efficiency.
Q: What does the upsetting property of PC steel rods mean?
A: Upsetting properties refer to the ability of PC steel rods to resist cracks or fractures during the upsetting or forging process, and are an important indicator to ensure their processing performance.
Q: What issues need to be paid attention to during the production process of PC steel rods?
A: During the production process, the chemical composition of raw materials, smelting process, rolling process, etc. need to be controlled to ensure the performance and quality of PC steel rods.
Q: What issues should be paid attention to when storing and transporting PC steel rods?
A: PC steel rods need to be protected from corrosion, bending and mechanical damage during storage and transportation to ensure that their performance and quality are not affected.
Q: How do PC steel rods apply prestress in prestressed concrete structures?
A: By tensioning the PC steel rod and fixing its two ends, it generates pre-compression stress on the concrete, thereby improving the load-bearing capacity and stability of the structure.
Q: What are the applications of PC steel rods in bridge construction?
A: PC steel rods can be used in prestressed concrete beams, piers and other parts of bridges to improve the load-bearing capacity and durability of bridges.
Q: What are the advantages of PC steel rods compared with steel strands?
A: PC steel rods have strong binding force with concrete and have good weldability and upsetting properties. Compared with steel strands, they have more advantages in certain application scenarios.
Q: How to choose a suitable PC steel rod?
A: Choosing a suitable PC steel rod requires considering its diameter, strength grade, chemical composition and other factors to meet the needs of specific projects.
Q: What is the market prospect of PC steel rods?
A: With the continuous advancement of national infrastructure construction and the continuous development of construction technology, the market demand for PC steel rods will continue to grow and has broad market prospects.
Q: What aspects does the quality inspection of PC steel rods include?
A: Quality testing includes chemical composition analysis, mechanical property testing, metallographic structure observation, etc. to ensure that the performance of PC steel rods meets standard requirements.
Q: How to maintain PC steel rods?
A: Maintenance of PC steel rods mainly includes regular inspection of their surface conditions, prevention of corrosion and mechanical damage and other measures to ensure their long-term performance and safety.
Q: What is PC steel rod?
A: PC steel rod is the abbreviation of steel rod for prestressed concrete. It is a high-tech prestressed steel developed by Japan High Frequency Thermal Refining Co., Ltd. in the s.
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