BS4449-1997 deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering BS4449-1997 deformed steel bar for construction at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
BS4449-1997 deformed steel bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's deformed steel bar are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Specifications of Middle Specification Steel Bar
1. Grade: Q235, SS400, A36, S235JR (With Boron)
2. Standard: GB, JIS, ASTM, BS
3. Diameter: 17mm—40mm
4. Length: As customer’s request, but we usually produce 6m and 12m.
5. Steel Grade: Carbon steel
6. Technique: Hot rolled or cold drawn
7. Inspection: SGS; ISO 9001:2000
8. Details about mass
Diameter | Mass | Diameter | Mass |
(mm) | (kg/m) | (mm) | (kg/m) |
17 | 1.78 | 26 | 4.17 |
18 | 2.00 | 28 | 4.83 |
19 | 2.23 | 30 | 5.55 |
20 | 2.47 | 32 | 6.31 |
22 | 2.98 | 34 | 7.13 |
24 | 3.55 | 36 | 7.99 |
25 | 3.85 | 38 | 8.90 |
Usage and Applications of Middle Specification Steel Bar
1. Middle specification steel bar is often used inconstruction and a large number of architectural and engineering structures.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some especial material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Packaging & Delivery of Middle Specification Steel Bar
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.
Note: a. FOB Jinzhou can be USD 10 cheaper than FOB Tianjin. b. The risk of the commodity shall be transferred to the buyer from the moment of the commodity be loaded on board.
Production Flow of Middle Specification Steel Bar
We use advanced equipments like Electric Arc Furnace, Ladle Furnace and Vacuum Degasser to produce our products.
Our process is EAF+LF+VD+ Forged+ Heat Treatment
The flow of fabrication is Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
Quality Assurance of Middle Specification Steel Bar
1. We will strictly inspect our production that we sold according to the customer’s request.
2. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
3. Should the packing found damaged, the buyer has the right to claim to the seller.
FAQ:
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
- Q: Are steel rebars suitable for use in industrial structures?
- Yes, steel rebars are commonly used in industrial structures due to their high strength and durability. They provide reinforcement and structural support, making them suitable for withstanding heavy loads and maintaining the integrity of the structure.
- Q: What are the common quality control tests for steel rebars?
- Some common quality control tests for steel rebars include visual inspection for surface defects, measurement of dimensions and tolerances, tensile strength testing, bending tests, and chemical composition analysis.
- Q: Can steel rebars be used in wind turbine tower construction?
- Yes, steel rebars can be used in wind turbine tower construction. Steel rebars are commonly used in the construction industry as reinforcement in concrete structures. In the case of wind turbine towers, the foundation and tower structure are usually made of reinforced concrete. Steel rebars help to increase the strength and durability of the concrete, making it capable of withstanding the loads and forces exerted by the wind turbine. The rebars provide reinforcement to the concrete and help in distributing the loads evenly throughout the tower structure, ensuring its stability and structural integrity. Therefore, steel rebars play a critical role in wind turbine tower construction and are commonly used in this application.
- Q: What is the process of reinforcing concrete columns with steel rebars?
- To ensure the structural integrity and strength of concrete columns, the process of reinforcing them with steel rebars involves several steps. Initially, the required load-bearing capacity and other structural considerations are taken into account to determine the design and specifications of the concrete column. This involves deciding on the size, shape, and placement of the rebars within the column. Following this, temporary molds or frameworks in the desired shape and dimensions of the column are constructed as part of the concrete formwork preparation. These molds provide support and containment for the concrete during the pouring and curing stages. Once the formwork is ready, the steel rebars are meticulously positioned and fastened within it. They are typically arranged in a specific pattern to maximize reinforcement and strength, including vertical bars running along the length of the column and horizontal bars that wrap around the vertical ones. To maintain their position and prevent movement during the pouring of the concrete, the rebars are often tied together at intersections using wire or other fasteners. This ensures that the rebars are effectively embedded within the concrete and can properly reinforce the column. Once the rebars are securely in place, the concrete is poured into the formwork. The concrete mixture is carefully applied and consolidated to fully surround and encase the rebars, creating a composite material that is more resistant to cracking and deformation. After the concrete is poured, it is left to cure and harden, typically for a period of several days or weeks. This allows the concrete to gain strength and durability, ensuring effective bonding between the rebars and the concrete and enabling the column to bear the intended loads. Once the concrete has fully cured, the formwork is removed, revealing the reinforced concrete column. The rebars should be completely embedded within the concrete, providing additional strength and support to withstand the applied loads. In summary, reinforcing concrete columns with steel rebars involves careful planning, positioning, and securing of the rebars within the formwork, followed by the pouring, curing, and removal of the formwork. This process guarantees that the resulting reinforced concrete column is structurally sound and capable of withstanding the intended loads and forces.
- Q: Are there any disadvantages of using steel rebars in construction?
- Yes, there are some disadvantages of using steel rebars in construction. Firstly, steel rebars are susceptible to corrosion, especially in humid or coastal areas, which can weaken the structure over time. Secondly, steel rebars can be expensive compared to alternative materials like fiberglass or carbon fiber, increasing construction costs. Additionally, steel rebars are heavy, which can make handling and transportation challenging. Lastly, steel rebars have a high thermal conductivity, which can lead to increased heat transfer and energy loss in buildings.
- Q: What are the guidelines for proper splicing of steel rebars in concrete structures?
- The guidelines for proper splicing of steel rebars in concrete structures include ensuring proper alignment and overlap between rebars, using appropriate splicing methods such as lap splices or mechanical couplers, and ensuring adequate concrete cover over the spliced area. Additionally, it is essential to follow the specific codes and regulations set by relevant authorities and consult structural engineers for accurate and safe splicing practices.
- Q: What are the advantages of using epoxy-coated stainless steel rebars?
- Epoxy-coated stainless steel rebars offer several advantages compared to traditional steel rebars. Firstly, the epoxy coating provides excellent corrosion resistance, protecting the rebar from moisture and chemicals present in the surrounding environment. This ensures the longevity and durability of the structure, reducing maintenance and repair costs over time. Additionally, stainless steel rebars possess high strength and are resistant to fire, making them suitable for use in harsh and high-temperature conditions. The epoxy coating also enhances the bond between the rebar and the concrete, improving the overall structural integrity. Lastly, the use of stainless steel rebars reduces the risk of staining or rust bleeding, resulting in a more aesthetically pleasing end product.
- Q: What is the effect of carbon content on the strength of steel rebars?
- The strength of steel rebars is significantly affected by their carbon content. Generally, a higher carbon content results in increased strength and hardness in the steel rebars. This occurs because carbon atoms create strong chemical bonds with iron atoms in the steel matrix, resulting in a more rigid and durable material. When carbon is added to the steel, it forms carbides, which are crystalline compounds that enhance the hardness and strength of the steel. The presence of these carbides improves the steel rebars' resistance to deformation, making them suitable for applications that require high strength, such as construction and infrastructure projects. Nevertheless, it is important to consider that there is a limit to how much carbon can be added to the steel rebars to enhance their strength. Excessive carbon content can make the steel brittle and prone to cracking when subjected to stress. This is because excessive carbon atoms can form large clusters of carbides, weakening the overall structure of the steel rebars. Therefore, it is crucial to carefully balance the carbon content in steel rebars to achieve the desired strength and toughness. Depending on the specific application and requirements, different levels of carbon can be utilized to optimize the strength and performance of the steel rebars. In conclusion, the carbon content directly affects the strength of steel rebars. Increasing the carbon content can enhance their strength and hardness, but excessive levels of carbon can result in brittleness. Hence, finding the appropriate balance of carbon content is essential to ensure the optimal strength and performance of steel rebars in various construction applications.
- Q: Can steel rebars be used in structures with high chemical resistance requirements?
- Steel rebars can be used in structures with high chemical resistance requirements, but it is important to consider the specific chemical environment in which the structure will be exposed. While steel rebars are generally resistant to many common chemicals, certain aggressive chemical substances, such as acids or alkaline solutions, can cause corrosion and degradation of the rebar over time. In such cases, it may be necessary to use alternative materials like stainless steel rebars or fiber-reinforced polymer (FRP) rebars, which possess superior resistance to chemical attack. Additionally, proper design, construction, and maintenance practices should be implemented to mitigate the effects of chemical exposure on steel rebars. Factors such as the type and concentration of chemicals, temperature, humidity, and exposure duration should all be carefully considered to determine the suitability of steel rebars for a structure with high chemical resistance requirements. Consulting with a structural engineer or corrosion specialist is recommended to ensure the best choice of materials for the specific chemical environment.
- Q: What is the role of steel rebars in preventing concrete creep?
- The role of steel rebars in preventing concrete creep is crucial. Concrete creep refers to the gradual deformation or movement of concrete over time under sustained load. This phenomenon occurs due to the long-term stress on the concrete, causing it to slowly deform and creep. Steel rebars, which are reinforced steel bars, are used in concrete structures to counteract this creep behavior. They play a significant role in preventing concrete creep by providing tensile strength and reinforcing the structure. When concrete is subjected to a load, it experiences both compressive and tensile forces. While concrete is excellent at withstanding compressive forces, it is relatively weak in tension. This is where steel rebars come into play. By placing steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. Steel has high tensile strength, making it ideal for bearing the tension experienced by the concrete. When the concrete begins to creep under a sustained load, the steel rebars resist the deformation and distribute the tensile forces throughout the structure. The presence of steel rebars helps to restrain the concrete from excessive deformation, reducing the potential for long-term creep. By reinforcing the concrete with steel rebars, the structure becomes more resistant to creep and maintains its stability and integrity over time. Moreover, steel rebars also enhance the overall durability and structural performance of the concrete. They improve the load-bearing capacity, prevent cracking, and enhance the resistance against external forces such as earthquakes or environmental factors. In conclusion, steel rebars play a vital role in preventing concrete creep by providing tensile strength and reinforcing the structure. They resist the deformation of the concrete under sustained load, ensuring its stability and long-term integrity. The use of steel rebars significantly enhances the durability and structural performance of concrete structures, making them more resistant to creep and other potential issues.
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BS4449-1997 deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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