Hot Rolled Rebars with High Quality and Best Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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OKorder is offering high quality Hot Rolled Rebars 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:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars 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:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
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 |
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.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Images:
- Q:What are the factors to consider when choosing the right steel rebar for a project?
- When choosing the right steel rebar for a project, several factors should be considered. Firstly, the grade of the steel rebar is crucial as it determines the strength and durability of the structure. The project's design specifications and load-bearing requirements should guide the selection of the appropriate grade. Secondly, the diameter and shape of the rebar are essential considerations. The diameter determines the structural capacity, while the shape, whether it is plain or deformed, influences the bonding with concrete. Moreover, the corrosion resistance of the steel rebar is vital, especially in environments prone to moisture or chemical exposure. Coating options, such as epoxy or galvanized, can enhance the rebar's longevity. Additionally, the availability and cost of the steel rebar should be evaluated. It is important to source the rebar from reputable suppliers who can provide the required quantity and quality within the project's budget. Lastly, adherence to local building codes and regulations is crucial. Compliance with standards and specifications ensures that the chosen steel rebar meets the necessary requirements for the project, ensuring safety and legality.
- Q:What is the effect of steel rebars on the formwork design?
- Steel rebars have a significant effect on the formwork design in construction projects. These rebars, also known as reinforcement bars, are used to provide strength and stability to concrete structures. One of the main effects of steel rebars on formwork design is the need for proper positioning and spacing of the rebars within the formwork. The formwork needs to be designed to accommodate the rebars and allow for their proper placement in order to ensure the structural integrity of the concrete element. This may involve creating openings or recesses in the formwork to allow the rebars to pass through. The presence of steel rebars also affects the size and dimensions of the formwork. Since the rebars occupy space within the concrete element, the formwork needs to be adjusted accordingly to accommodate these additional materials. This may require increasing the size or thickness of the formwork to accommodate the desired concrete cover over the rebars. Another effect of steel rebars on formwork design is the consideration of the weight and load-bearing capacity of the formwork system. Steel rebars can add significant weight to the concrete structure, and the formwork needs to be designed to withstand this additional load. This may involve using stronger and more robust materials for the formwork, as well as ensuring proper bracing and support. Furthermore, the presence of steel rebars may also impact the formwork construction process. The formwork needs to be carefully designed to allow for the installation and removal of the rebars without compromising the integrity of the formwork system. This may involve incorporating removable sections or panels in the formwork design to facilitate the placement and removal of the rebars. In conclusion, steel rebars have a significant effect on the formwork design in construction projects. They require careful consideration and planning to ensure proper positioning, spacing, and support within the formwork. The presence of rebars also affects the size, dimensions, weight, and construction process of the formwork system. Overall, proper integration of steel rebars within the formwork design is crucial for the successful construction of durable and structurally sound concrete elements.
- Q:What are the different sizes of steel rebars available in the market?
- The sizes of steel rebars available in the market vary depending on the specific needs and requirements of construction projects. Generally, steel rebars come in a range of diameters, commonly ranging from 6mm to 40mm. These sizes are designated by the nominal diameter of the rebar. The most commonly used sizes of steel rebars in the market are 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm, and 40mm. These sizes are widely used in various construction applications and are readily available in most hardware stores. The choice of rebar size depends on the structural design, the load-bearing capacity required, and the specific construction project. Smaller diameter rebars, such as 6mm or 8mm, are commonly used in light construction projects or where lesser load-bearing capacity is needed. On the other hand, larger diameter rebars, such as 25mm or 32mm, are often used in heavy-duty construction projects or structures requiring higher load-bearing capacity. It is important to consult with structural engineers or construction professionals to determine the appropriate rebar size for a specific project, as they can provide guidance based on the design requirements and structural calculations.
- Q:All knowledge about thread steel!
- Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
- Q:What is the effect of impurities on the corrosion resistance of steel rebars?
- Impurities in steel rebars can have a negative impact on their corrosion resistance. These impurities, such as sulfur, phosphorus, and certain non-metallic inclusions, can promote the formation of localized corrosion sites and accelerate the corrosion process. Additionally, impurities can weaken the protective oxide layer on the surface of the steel, making it more susceptible to corrosion. Therefore, minimizing impurities in steel rebars is crucial to ensure their long-term corrosion resistance and structural integrity.
- Q:What are the advantages of using composite steel rebars?
- There are several advantages to using composite steel rebars in construction projects. Firstly, composite steel rebars offer superior strength and durability compared to traditional rebars. The combination of steel and a fiber-reinforced polymer (FRP) composite material provides enhanced tensile strength, allowing for a more robust and resilient structure. This is particularly advantageous in areas with high seismic activity or extreme weather conditions, where the reinforcement needs to withstand significant forces. Secondly, composite steel rebars are highly corrosion-resistant. Steel rebars alone are prone to corrosion when exposed to moisture and chemicals, leading to structural degradation over time. The addition of a protective FRP composite layer effectively shields the steel from these corrosive elements, prolonging the lifespan of the reinforcement and reducing the need for frequent maintenance. Moreover, composite steel rebars offer a lightweight alternative to conventional steel reinforcement. The use of FRP composites significantly reduces the weight of the rebars while maintaining their structural integrity. This lightweight characteristic makes transportation and installation easier, reducing construction time and costs. Additionally, composite steel rebars provide excellent electrical and thermal insulation properties. Unlike traditional steel rebars, which are conductive, the FRP composite layer acts as an insulator, minimizing the risk of electrical hazards and preventing the transfer of heat. This is especially beneficial in structures where electrical or thermal conductivity needs to be controlled, such as in power plants or buildings with sensitive equipment. Lastly, composite steel rebars are environmentally friendly. The production of steel rebars typically requires a significant amount of energy and emits greenhouse gases. By utilizing FRP composites, the overall carbon footprint of the reinforcement is reduced, making it a more sustainable choice. In conclusion, the advantages of using composite steel rebars include enhanced strength, corrosion resistance, lightweight construction, electrical and thermal insulation, and environmental sustainability. These benefits make composite steel rebars a compelling choice for various construction applications.
- Q:Are steel rebars resistant to earthquakes?
- Yes, steel rebars are highly resistant to earthquakes. The use of steel rebars in reinforced concrete structures significantly enhances their structural integrity and helps to withstand the forces generated during an earthquake. The high tensile strength and ductility of steel rebars allow them to absorb and distribute seismic forces, minimizing the risk of structural failure.
- Q:What is the process of reinforcing concrete walls with steel rebars?
- To ensure the strength and integrity of a concrete wall, it is necessary to reinforce it with steel rebars. This process consists of several steps. Engineers first determine the design and layout of the rebars based on the specific requirements of the wall. This involves considering the diameter, spacing, and placement of the rebars. Once the design is finalized, construction of the concrete wall can begin. The rebars are typically placed in a grid-like pattern within the formwork or molds. They are positioned at predetermined intervals and secured in place using wire ties or other fastening methods. During the pouring of the concrete, the rebars are completely enclosed within the mixture. This ensures that the concrete and steel work together to resist tension forces and provide additional strength to the wall. Once the concrete has been poured and cured, the rebars become an integral part of the structure. They act as reinforcement by absorbing and distributing tensile forces that may arise from external loads or environmental factors. In addition to the initial reinforcement, construction workers may also install vertical rebars along the height of the wall, commonly referred to as wall ties. These rebars provide further stability and prevent the wall from cracking or collapsing under pressure. Overall, the process of reinforcing concrete walls with steel rebars requires careful planning, precise placement, and proper integration between the rebars and the concrete. This technique significantly enhances the strength and durability of the walls, enabling them to withstand heavier loads and ensuring the safety of the structure.
- Q:What are the main characteristics of steel rebars?
- The main characteristics of steel rebars include high strength, durability, corrosion resistance, and flexibility. They are commonly used in reinforced concrete structures to reinforce and provide tensile strength to the concrete.
- Q:How do steel rebars affect the structural integrity of a building?
- Steel rebars play a crucial role in enhancing the structural integrity of a building. These reinforced steel bars are primarily used in concrete structures to provide strength and stability. By reinforcing the concrete, rebars help to resist tensile forces and prevent the formation of cracks in the building. One of the main ways rebars affect structural integrity is by increasing the overall load-bearing capacity of the structure. When concrete is combined with steel rebars, it creates a composite material that can withstand greater amounts of weight and stress. This is particularly important in high-rise buildings or structures that need to support heavy loads, such as bridges or parking garages. Moreover, rebars help mitigate the effects of shrinkage and temperature changes on the concrete. Concrete has a tendency to shrink and expand due to changes in temperature and humidity. This can cause cracks to form and compromise the structural integrity of the building. However, by embedding rebars within the concrete, these forces are counteracted, preventing significant damage. Another critical aspect of rebars is their ability to resist bending and deformation. In the event of an earthquake or other dynamic forces, the rebars help distribute the energy throughout the structure, reducing the risk of collapse. This resilience is vital in regions prone to seismic activity. Furthermore, steel rebars offer exceptional durability and longevity. Unlike other materials, such as wood or plastic, steel does not rot, decay, or get affected by termites or other pests. This ensures that the structural integrity of the building remains intact over time, reducing the need for frequent repairs or replacements. In conclusion, steel rebars significantly enhance the structural integrity of a building. By reinforcing concrete, rebars provide strength, increase load-bearing capacity, resist shrinkage and temperature changes, mitigate the effects of dynamic forces, and provide long-lasting durability. Without the inclusion of rebars, buildings would be more susceptible to cracking, structural failure, and compromised safety.
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Hot Rolled Rebars with High Quality and Best Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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