HRB400 GB Steel Rebar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Usage and Applications of Construction

1. Construction steel round bar is mostly used for straight bundles supply, and used for steel, bolts and various mechanical parts. While the bigger round bar, or more than 25mm hot rolled bar, is mainly for the manufacture of mechanical parts or for seamless steel billet.

2. Steel round bar is used in construction and a large number of architectural and engineering structures.

3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.

Packaging & Delivery

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

Q: What are the potential applications of steel billets in the automotive aftermarket?: The automotive aftermarket can benefit greatly from the wide variety of uses for steel billets. The strength, durability, and versatility of steel make it an ideal material for many applications. To begin with, steel billets are commonly used in the production of various automotive parts, such as engine components, transmission parts, suspension systems, and chassis components. These critical components require materials with high tensile strength and resistance to wear and tear, which steel billets can provide. In addition, steel billets can be utilized to create customized or aftermarket modifications for vehicles. This includes performance upgrades like engine tuning, exhaust systems, and suspension modifications. Thanks to its machinability, steel billets can be shaped and formed into precise shapes and sizes, resulting in improved performance and customization options. Furthermore, steel billets can be employed in the manufacturing of automotive tools and equipment used in the aftermarket. This encompasses tools like jacks, stands, wrenches, and other specialized equipment needed for repairs, maintenance, and modifications. The use of steel billets ensures that these tools are strong, durable, and capable of withstanding the challenging conditions of the automotive industry. Moreover, steel billets are also used in the production of aftermarket body parts and accessories. These can range from exterior components such as bumpers, grilles, and fenders, to interior accessories like shift knobs, pedals, and trim pieces. Steel billets can be shaped, welded, and finished to meet the desired specifications and aesthetics of the vehicle owner, creating a wide range of options for customization. Overall, steel billets have an extensive range of potential applications in the automotive aftermarket. From critical engine components to performance upgrades, tools, and body modifications, steel billets offer the necessary strength, durability, and versatility required in the automotive industry.

Q: How are steel billets used in the manufacturing of pipeline systems?: Steel billets are an integral component in the manufacturing process of pipeline systems. These billets serve as the primary raw material that is shaped and formed into various pipeline components, such as pipes, fittings, and connectors. To begin the manufacturing process, the steel billets are first heated to a specific temperature to make them malleable and easier to manipulate. They are then passed through a series of rolling mills, where they are gradually shaped into the desired form and size. This process, known as hot rolling, involves applying high pressure to the billets to gradually elongate and shape them into long cylindrical pipes. Once the initial shaping is complete, the pipes are subjected to additional processes such as heat treatment, cutting, and welding to ensure their strength, durability, and dimensional accuracy. The steel billets used in this process are crucial as they provide the necessary raw material for the production of high-quality pipes that can withstand the demanding conditions of pipeline systems. Moreover, steel billets are also used in the manufacturing of various pipeline fittings and connectors. These billets are shaped and formed using different techniques, such as forging, machining, or casting, to produce fittings like elbows, tees, reducers, and flanges. These fittings are essential for connecting and joining pipes together, allowing for the proper flow and distribution of fluids or gases within the pipeline system. In summary, steel billets play a vital role in the manufacturing of pipeline systems. They serve as the raw material that is shaped and formed into pipes, fittings, and connectors, ensuring the production of high-quality and durable components. These billets undergo various processes, such as hot rolling, heat treatment, cutting, and welding, to meet the stringent requirements of pipeline systems.

Q: How do steel billets contribute to the water treatment industry?: The water treatment industry heavily relies on steel billets as they play a crucial role in manufacturing various equipment and structures used in water treatment processes. These billets are primarily used in constructing pipelines, tanks, and other infrastructure required for water treatment plants. One of the most vital applications of steel billets in the water treatment industry is for producing pipe fittings. These fittings connect different sections of pipelines, enabling the smooth transportation of water and other fluids within the treatment facility. Steel billets are commonly used for manufacturing these fittings due to their exceptional strength and durability, ensuring the longevity and reliability of the pipeline system. Furthermore, steel billets are also essential in constructing tanks and vessels used for storing and treating water. These tanks often endure harsh and corrosive conditions, making steel billets the preferred choice due to their corrosion resistance properties. Moreover, steel is a non-porous material, preventing water contamination within the tanks and ensuring the water remains clean and safe to consume. Additionally, steel billets are utilized in fabricating screens and filters used in the water treatment process. These screens and filters play a critical role in removing impurities, sediments, and other contaminants from the water. Steel billets provide the necessary strength and structural integrity to withstand the pressure and flow of water while effectively filtering out unwanted particles. Moreover, steel billets are also used in constructing various structures within water treatment plants, including walkways, platforms, and supports. These structures are vital for providing safe access to equipment and facilitating maintenance and repair activities. Steel billets are favored for such applications due to their high load-bearing capacity and resistance to environmental factors like moisture and chemicals. In conclusion, steel billets are indispensable in the water treatment industry. Their strength, durability, corrosion resistance, and versatility make them the material of choice for constructing pipelines, tanks, fittings, screens, and other structures necessary for efficient and effective water treatment processes.

Q: How are the surface defects of steel billets repaired?: Various methods can be employed to repair the surface defects found in steel billets, depending on the type and severity of the defect. Common surface defects include cracks, seams, laps, and scale. One approach to repairing surface defects involves grinding or milling. This entails the utilization of abrasive tools or machines to remove the outer layer of the billet. Grinding can effectively eliminate small defects such as scale, pits, or minor cracks. However, it may not be suitable for extensive or deep defects. For more severe defects like cracks or seams, welding is a common repair technique. The damaged areas are heated to a suitable temperature and then filled using welding electrodes or filler materials. Skilled welders are required to ensure proper fusion and strength of the repaired area. Mechanical methods, such as peening or hammering, can also be employed to repair surface defects. These techniques involve the use of specialized tools to reshape and smooth out the affected areas. Peening can effectively eliminate shallow cracks or surface irregularities. Another method used to identify and repair surface defects in steel billets is ultrasonic testing. This technique utilizes high-frequency sound waves to detect any hidden cracks or flaws. Once the defects are identified, appropriate repair methods can be implemented. It is important to emphasize that the repair process for surface defects in steel billets necessitates careful inspection and assessment to determine the most suitable method. Quality control measures must be implemented to ensure that the repaired billets meet the required standards for strength and integrity.

Q: What are the different grades of steel used for making billets?: There are several different grades of steel that are commonly used for making billets. The specific grade of steel used depends on the intended application and the desired properties of the billet. One commonly used grade of steel for making billets is carbon steel. Carbon steel is a versatile and relatively inexpensive option that offers good strength and hardness. It is often used in applications where high strength is required, such as in the construction industry. Another grade of steel commonly used for billet production is alloy steel. Alloy steel is made by adding various alloying elements to carbon steel, such as chromium, nickel, or molybdenum. This results in improved strength, toughness, and corrosion resistance, making alloy steel suitable for a wide range of applications including automotive parts, machinery components, and tooling. Stainless steel is another grade of steel that is often used for making billets. Stainless steel contains a minimum of 10.5% chromium, which provides excellent corrosion resistance. It is commonly used in industries requiring resistance to oxidation and corrosion, such as the food and beverage industry, medical equipment manufacturing, and architectural applications. Additionally, there are specialized grades of steel used for specific applications. For example, high-speed steel (HSS) is used for making billets used in cutting tools, as it offers exceptional hardness and heat resistance. Tool steel is another specialized grade used for making billets for tools and dies, offering high hardness, wear resistance, and toughness. In summary, the different grades of steel used for making billets include carbon steel, alloy steel, stainless steel, high-speed steel, and tool steel. The choice of grade depends on the specific requirements of the application, such as strength, toughness, corrosion resistance, or specialized properties needed for cutting tools or tooling.

Q: What is the typical hardness of a steel billet?: The typical hardness of a steel billet can vary depending on various factors such as the specific type of steel, the manufacturing process, and the intended use of the billet. In general, steel billets are designed to possess a certain level of hardness to ensure their suitability for subsequent processing and applications. Hardness in steel is often measured using the Rockwell hardness scale, which assigns a numerical value based on the depth of penetration of an indenter into the material. Steel billets typically have a hardness ranging from 20 to 70 on the Rockwell C scale (HRC), with higher values indicating greater hardness. However, it is important to note that the desired hardness can vary depending on the intended use of the billet. For example, if the billet is intended for use in structural applications or as a raw material for further processing, it may have a lower hardness to facilitate subsequent shaping and forming processes. On the other hand, if the billet is meant for applications that require high strength and wear resistance, such as in the production of tools or machinery components, it may have a higher hardness. Ultimately, the typical hardness of a steel billet will depend on the specific requirements and specifications of the intended application, and it is important to consult the relevant standards or technical specifications to determine the appropriate hardness range for a particular steel billet.

Q: What are the potential applications of steel billets in the transportation aftermarket?: Steel billets offer a wide range of potential applications within the transportation aftermarket. One primary use in this industry involves using steel billets to produce various components and parts for vehicles. These billets possess the strength and durability necessary for manufacturing engine parts, suspension components, steering parts, and other critical components. Moreover, steel billets are well-suited for manufacturing structural components like chassis frames and body panels. The robustness and rigidity of steel make it an ideal material for these applications, allowing it to withstand the stresses and strains experienced during vehicle operation. Additionally, steel billets find use in producing wheels and rims for automobiles, motorcycles, and bicycles. Their exceptional strength and ability to handle heavy loads make steel billets the preferred choice for wheel manufacturing, ensuring road safety and reliability. Furthermore, steel billets can be utilized in manufacturing rail tracks and infrastructure for railways. The strength and durability of steel make it an ideal material for rail tracks, ensuring the secure and efficient transportation of goods and passengers. All in all, the applications of steel billets in the transportation aftermarket are diverse and extensive. They play a crucial role in manufacturing critical vehicle components and constructing infrastructure for railways, ultimately ensuring the efficiency, safety, and reliability of transportation systems.

Q: How does the composition of steel affect the properties of steel billets?: The composition of steel plays a crucial role in determining the properties of steel billets. Steel is an alloy composed primarily of iron and carbon, along with small amounts of other elements such as manganese, silicon, and sulfur. The percentage of carbon and the presence of other alloying elements greatly influence the physical and mechanical properties of steel billets. One of the key properties affected by the composition of steel is its strength. Increasing the carbon content in steel enhances its strength, making it suitable for applications requiring high tensile strength, such as construction beams and automotive parts. Additionally, the presence of alloying elements like manganese and silicon can improve the strength and hardness of the steel. The composition of steel also affects its ductility and toughness. Ductility refers to the ability of steel to deform under tensile stress without fracturing, while toughness refers to its ability to withstand impact and resist fracture. Higher carbon content tends to reduce ductility and toughness, making the steel more brittle. Thus, for applications requiring good ductility and toughness, lower carbon content and the addition of alloying elements like nickel, chromium, and molybdenum are preferred. Corrosion resistance is another property influenced by the composition of steel. The addition of elements such as chromium and nickel can significantly enhance the steel's resistance to corrosion, making it suitable for applications in harsh environments or exposed to corrosive substances like seawater. Stainless steel, for example, contains a high percentage of chromium, which forms a protective oxide layer on the surface, preventing corrosion. The composition of steel also affects its machinability and weldability. Higher carbon content may result in reduced machinability due to increased hardness, while alloying elements like sulfur and phosphorus can improve machinability. Similarly, the presence of certain elements can affect the weldability of steel, as some elements may cause cracking or other defects during welding. In summary, the composition of steel billets has a significant impact on their properties. The percentage of carbon, along with the presence of other alloying elements, influences the strength, ductility, toughness, corrosion resistance, machinability, and weldability of steel. Therefore, careful consideration of the desired properties and appropriate selection of steel composition is essential in various industrial applications.

Q: How are steel billets used in the manufacturing of construction scaffolding?: The manufacturing of construction scaffolding relies heavily on steel billets, which are an indispensable raw material. Initially, the billets are heated and then passed through rolling mills to achieve the desired shape and size for scaffolding components. Once the steel billets have been rolled to the required shape, they undergo further processing to create different scaffolding parts such as tubes, couplers, frames, and planks. These parts are then assembled together to form the scaffolding structure, which provides a secure and stable platform for workers during construction projects at elevated heights. There are several advantages to using steel billets in the manufacturing of construction scaffolding. Firstly, steel is renowned for its exceptional strength and durability, making it an ideal material for scaffolding. Additionally, it is resistant to corrosion and capable of withstanding harsh weather conditions, ensuring the scaffolding remains reliable and safe throughout the construction process. Furthermore, steel scaffolding is highly versatile and can be easily customized to meet various project requirements. By using steel billets, manufacturers can create scaffolding components of different sizes, shapes, and configurations to accommodate diverse construction needs. In conclusion, steel billets play a crucial role in the manufacturing of construction scaffolding. By utilizing these raw materials, scaffolding manufacturers can produce scaffolding structures that are durable, reliable, and customizable, ultimately enhancing safety and efficiency on construction sites.

Q: How do steel billets contribute to the overall safety of a structure?: Steel billets play a significant role in contributing to the overall safety of a structure in several ways. Firstly, steel billets serve as the raw material for manufacturing steel bars, beams, columns, and other structural components. These components are widely used in construction due to their high strength and durability. By using steel billets as the starting material, the resulting steel products exhibit excellent load-bearing capacity, which enhances the structural integrity of the building. Moreover, steel billets undergo a rigorous manufacturing process that includes various quality control checks. These checks ensure that the billets possess consistent and reliable mechanical properties, such as high tensile strength and impact resistance. As a result, when these billets are used in the construction of a structure, they contribute to its overall safety by providing a reliable and robust framework that can withstand external forces, such as wind, earthquakes, or heavy loads. Additionally, steel billets are often produced using advanced metallurgical techniques, such as controlled cooling or heat treatment, to achieve specific properties required for structural applications. These processes help in improving the microstructure of the steel, reducing internal defects, and enhancing its resistance to corrosion, fatigue, and other forms of degradation. This, in turn, increases the lifespan of the structure and minimizes the risk of structural failure, thus ensuring the safety of the occupants. Furthermore, steel billets can be manufactured with precise dimensions and tolerances, allowing for accurate and efficient construction. This precision in fabrication ensures that structural components fit together seamlessly, reducing the likelihood of gaps, misalignments, or weak points that could compromise the safety of the structure. Lastly, steel billets are highly recyclable, making them an environmentally friendly choice for construction. By opting for steel billets, the construction industry can reduce its carbon footprint and contribute to sustainable development. This focus on sustainability aligns with the overall safety of a structure, as a sustainable approach ensures the long-term stability and resilience of the built environment. In conclusion, steel billets contribute to the overall safety of a structure by providing high-strength, durable, and reliable materials for construction. Their consistent mechanical properties, resistance to external forces, improved microstructure, and precise fabrication ensure a strong and secure framework. Moreover, their recyclability promotes sustainability, further enhancing the long-term safety and integrity of the structure.

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