Hot-Rolled Steel Deformed Bar Rebar Deformed Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Product Description:
OKorder is offering Hot-Rolled Steel Deformed Bar Rebar Deformed Steel Bar 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:
Hot-Rolled Steel Deformed Bar Rebar 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 Hot-Rolled Steel Deformed Bar Rebar 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:
deformed steel bar grade 40
material: HRB400, BS4449 GR460B
size: 8-36mmx12m.
short delivery time with bulk or container
packing: Mill standard export packing in bundles/coil, around 2tons/bundle.
country of Origin: China
delivery Time: Within a 35 days
Shipment: by bulk vessel or by container
Leading goods:
section steel:angles,channels,I-beam,H-beam;
coils:cold/hot rolled coils,PPGI,galvanized coils,plate,checkered plate,cutting steel plate,steel strip;
wire rod:steel wire,deformed wire,bar;
pipe:seamless pipe,rectangular pipe,welded pipe,spiral welded pipe,pipe fittings;
stainless steel:steel sheets,stainless steel strips,stainless bar,stainless tube;
special:weathering steel,shipbuilding steel;
construction steel:C-channel,Z-channel,T-bar,high-speed divider plate,corrugated steel plate,steel grating.
Advantage:
We are the spot supplier, Six huge warehouses which can hold 20,000 MT goods.
It makes the cost lower than others,we can provide the competitive price for you.
Delivery time:
Normal sizes can be provided in 7days, the others should be ready in 30---45 days.
Further treatment:
We can offer cutting,painting,drilling holes,bending,threading, welding,galvanization,packing etc.
Security interest:
We have already passed the ISO9001, BV and SGS authentication which makes the quality secured.
If you have the interest in any of the products we can provided, pls don't hesitate to connect with me. Looking forward to cooperate with you.
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.
- Q:How do steel rebars affect the overall load-bearing capacity of a structure?
- Steel rebars greatly enhance the load-bearing capacity of a structure. These reinforcing bars are typically added to concrete structures, such as beams, columns, and slabs, to provide additional strength and durability. The primary function of rebars is to resist tensile forces, which concrete alone is not capable of doing effectively. By embedding steel rebars within the concrete, the overall load-bearing capacity of the structure increases significantly. When a load is applied to the structure, the rebars distribute the forces more evenly, preventing cracks and minimizing the risk of structural failure. This reinforcement increases the structure's ability to withstand heavy loads, including the weight of the building itself, live loads like furniture and occupants, and external forces such as wind and earthquakes. The rebars also help to control and limit the propagation of cracks within the concrete. Concrete is strong in compression but weak in tension, so without the presence of rebars, it would be prone to cracking under tensile stress. The rebars act as a reinforcement by absorbing some of the tensile forces, preventing the cracks from expanding and compromising the structure's overall strength. Moreover, steel rebars improve the ductility of the structure. Ductility refers to the ability of a material to deform without fracturing. When a structure experiences excessive loads or undergoes deformation due to external factors, the rebars help in absorbing and dissipating the energy, allowing the structure to deform in a controlled manner rather than abruptly collapsing. In summary, steel rebars significantly enhance the load-bearing capacity of a structure by providing tensile strength, preventing the propagation of cracks, and improving ductility. By reinforcing the concrete, rebars ensure the structure can withstand heavy loads, increasing its strength, durability, and overall safety.
- Q:How are steel rebars bent on-site?
- Rebar benders, specialized machinery used on-site, are typically employed to bend steel rebars. These machines possess the requisite force and precision to achieve the desired shape and angle for the rebars. To begin the process, the location where the rebar needs to be bent is measured and marked. Subsequently, the rebar is placed within the rebar bender, which is equipped with adjustable rollers and bending arms. These rollers serve to guide the rebar throughout the bending process, while the bending arms gradually apply the necessary force to bend the rebar to the desired angle and shape. The operator of the rebar bender meticulously adjusts the rollers and bending arms to ensure the accurate bend radius and angle are achieved. This requires skill and experience to guarantee the rebars are bent precisely in accordance with the construction plans and specifications. After the rebar has been bent to the desired shape, it is securely fastened in place using tie wire or rebar clips. This ensures that the rebars retain their shape and position during the process of pouring concrete. Bending rebars on-site presents several advantages. Firstly, it allows for greater flexibility and adaptability during construction, as the rebars can be customized and adjusted to meet specific design requirements. Secondly, on-site bending reduces transportation and storage costs, since rebars can be delivered in longer lengths and bent as needed. Lastly, on-site bending saves time and enhances construction efficiency, as the rebars can be bent and installed immediately, eliminating the need for off-site fabrication and transportation delays. In summary, steel rebars are bent on-site utilizing specialized rebar benders, which provide the necessary force and precision to achieve the desired shape and angle. This process offers flexibility, cost savings, and improved construction efficiency.
- Q:When did the 1305 rebar contract become a major contract?
- The thread has 3 different contracts, which have been completed. They are continuous thread (1211 contract) and thread four (1303 contract). 1305 into the thread, even Sihui next month, into the thread, it will continue until April 13 years.
- Q:What is a steel rebar?
- A steel rebar, also known as reinforcing bar, is a long, cylindrical steel rod or bar that is commonly used in construction projects to reinforce concrete structures. It is embedded within the concrete to enhance its strength and durability, providing resistance against tension and preventing cracking and structural failure.
- Q:What is the role of steel rebars in preventing concrete cracking?
- The reinforcement of concrete structures is greatly aided by the use of steel rebars. These rebars are essential in preventing cracks from forming in the concrete and in improving its overall durability and strength. Concrete has a tendency to crack when subjected to tensile stress due to its low tensile strength. However, when steel rebars are embedded within the concrete, they act as a reinforcement by absorbing and dispersing these tensile forces throughout the structure. The inclusion of steel rebars in concrete is effective in counteracting the natural inclination of concrete to crack under tension. When a load is applied to the concrete, the rebars bear a significant portion of the tensile stress, preventing it from being concentrated solely on the concrete itself. This distribution of forces helps minimize the development and spread of cracks, ensuring the structural integrity of the concrete. Furthermore, steel rebars also contribute to the overall strength and durability of concrete structures. The combination of steel's high tensile strength and concrete's compressive strength results in reinforced concrete, which provides exceptional resistance against various external forces, such as bending, shear, and seismic loads. This additional strength makes the concrete less prone to cracking and enhances its ability to withstand heavy loads and environmental factors over time. In conclusion, steel rebars play a critical role in preventing concrete cracking by providing reinforcement, absorbing and dispersing tensile forces, and improving the overall strength and durability of concrete structures. Their presence greatly enhances the structural integrity and longevity of concrete, making it a dependable and extensively used construction material.
- Q:What are the different types of steel rebars used in industrial constructions?
- Industrial constructions commonly utilize various types of steel rebars, which play a crucial role in reinforcing concrete structures and imparting strength and durability to the overall construction. The key types of steel rebars frequently employed in industrial constructions are as follows: 1. Mild Steel Rebars, also referred to as black steel rebars, are the most prevalent type utilized in construction. These rebars, crafted from carbon steel, possess a smooth surface. They offer adequate strength and are cost-effective, rendering them suitable for a diverse range of industrial applications. 2. High-strength Deformed Steel Rebars (HSD) exhibit ribs or deformations on their surface, enhancing their bonding with concrete. HSD rebars, composed of carbon steel, undergo thermomechanical treatment to enhance their strength. They are commonly employed in heavy-duty industrial constructions requiring higher strength. 3. Epoxy-coated Rebars are coated with an epoxy resin to safeguard them against corrosion. These rebars find common usage in areas where concrete is exposed to moisture or chemicals, such as bridges and marine structures. The epoxy coating functions as a barrier, averting corrosion and prolonging the structure's lifespan. 4. Galvanized Rebars encompass a layer of zinc coating, bestowing them with corrosion resistance. The zinc coating acts as a sacrificial layer, shielding the steel rebars from rust. These rebars are frequently employed in areas where concrete is exposed to harsh environmental conditions or in coastal regions where the risk of corrosion is elevated. 5. Stainless Steel Rebars, recognized for their exceptional corrosion resistance, are utilized in environments necessitating remarkable durability and resistance to corrosion. They commonly find application in industrial constructions exposed to aggressive chemicals, high humidity, or extreme temperatures. Each type of steel rebar possesses distinct advantages and is suitable for diverse applications based on the specific requirements of the industrial construction project. It is imperative to meticulously consider factors such as strength, corrosion resistance, and cost when selecting the apt type of steel rebar for a particular construction endeavor.
- Q:What is the role of steel rebars in reducing concrete creep?
- Concrete creep, the gradual deformation of concrete over time under sustained loading, is significantly reduced by the incorporation of steel rebars. These high-strength reinforcement bars enhance the structural integrity and durability of concrete structures by providing tensile strength to counteract the forces that cause creep. Under sustained loads, concrete experiences internal stresses that can lead to creep. However, the presence of steel rebars helps distribute these stresses more evenly throughout the structure, acting as reinforcement to absorb and redistribute the tensile forces and minimize concrete deformation. Additionally, steel rebars improve the bond between concrete and reinforcement, ensuring they work together as a composite material. This bond prevents the formation of cracks, which can contribute to creep. Moreover, steel rebars enhance the overall stiffness and rigidity of concrete structures, resisting the deformation caused by creep and maintaining stability over time. In conclusion, steel rebars play a crucial role in reducing concrete creep by providing tensile strength, distributing internal stresses, improving the bond between concrete and reinforcement, and enhancing overall stiffness. Engineers can effectively mitigate the effects of creep and ensure long-term performance and durability by incorporating steel rebars into concrete structures.
- Q:Can steel rebars be used in the construction of road bridges or flyovers?
- Yes, steel rebars can be used in the construction of road bridges or flyovers. Steel rebars are commonly used as reinforcement in concrete structures, including bridges and flyovers, due to their high strength and durability. The rebars help to enhance the structural integrity and load-bearing capacity of the concrete, making it suitable for supporting heavy traffic loads and resisting the forces experienced by road bridges and flyovers. Additionally, steel rebars provide increased resistance to corrosion, which is crucial in bridge constructions where exposure to environmental elements is significant. Overall, the use of steel rebars in the construction of road bridges and flyovers ensures their structural stability, longevity, and safety.
- Q:What is the difference between carbon steel and stainless steel rebars?
- Carbon steel and stainless steel rebars are both types of steel reinforcement used in construction, but they have distinct differences in composition and properties. Carbon steel rebars are made from a combination of iron and carbon, with small amounts of other elements such as manganese and copper. The carbon content in these rebars typically ranges from 0.15% to 0.60%. Carbon steel rebars are strong, durable, and cost-effective. They have good tensile strength, which is crucial for reinforcing concrete structures. However, they are susceptible to corrosion if not properly protected, especially in environments with high moisture or exposure to chemicals. On the other hand, stainless steel rebars are made from a combination of iron, chromium, nickel, and other alloying elements. The chromium content in stainless steel is typically above 10.5%, which creates a protective layer of chromium oxide on the surface of the rebar, preventing corrosion. Stainless steel rebars have excellent corrosion resistance, even in harsh environments with high humidity, saltwater, or exposure to chemicals. They are also highly durable and have high tensile strength, similar to carbon steel rebars. The main difference between carbon steel and stainless steel rebars is their corrosion resistance. Carbon steel rebars require proper protective coatings, such as epoxy or galvanization, to prevent corrosion. On the other hand, stainless steel rebars have inherent corrosion resistance due to the presence of chromium oxide layer, eliminating the need for additional coatings. Another difference is the cost. Carbon steel rebars are generally cheaper compared to stainless steel rebars. However, the total cost of a project should also consider the long-term maintenance costs associated with corrosion protection measures required for carbon steel rebars. In summary, carbon steel rebars are strong and cost-effective but require additional corrosion protection measures, while stainless steel rebars have excellent corrosion resistance and durability but come at a higher cost. The choice between the two depends on the specific project requirements, budget, and expected environmental conditions.
- Q:What are the guidelines for protecting steel rebars in structures exposed to aggressive chemicals?
- When it comes to protecting steel rebars in structures exposed to aggressive chemicals, there are several guidelines that should be followed to ensure their longevity and structural integrity. These guidelines include: 1. Selection of appropriate materials: It is crucial to choose rebars made of corrosion-resistant materials such as stainless steel or epoxy-coated rebars. These materials have a high resistance to chemical attack and offer enhanced protection against corrosion. 2. Adequate concrete cover: A sufficient thickness of concrete cover should be maintained to protect the rebars from direct contact with aggressive chemicals. The minimum concrete cover requirements specified by design codes or project specifications must be strictly adhered to. 3. Proper concrete quality: The concrete used in structures exposed to aggressive chemicals should have a high resistance to chemical attack. It is important to use a concrete mix design that incorporates suitable chemical-resistant admixtures and aggregates. 4. Regular inspection and maintenance: Periodic inspection of the structure is essential to identify any signs of deterioration or damage to the rebars. Any cracks, spalling, or exposed rebars should be promptly repaired and protected to prevent further corrosion. 5. Surface protection: Applying a protective coating or membrane to the surface of the concrete can provide an additional layer of defense against aggressive chemicals. These coatings act as a barrier, preventing direct contact between the rebars and the chemicals. 6. Proper drainage system: Ensuring proper drainage in the structure can help prevent the accumulation of aggressive chemicals, minimizing their exposure to the rebars. Adequate provision of weep holes, drainage pipes, or waterproofing membranes can help facilitate efficient drainage. 7. Consideration of chemical-resistant design: The design of the structure should take into account the potential chemical exposure. This involves selecting appropriate materials, considering the layout and arrangement of rebars, and incorporating protective measures such as chemical-resistant coatings or linings. 8. Compliance with industry standards and codes: Following the guidelines and recommendations provided by industry standards, such as those issued by the American Concrete Institute (ACI) or the International Concrete Repair Institute (ICRI), is essential for ensuring the proper protection of steel rebars in structures exposed to aggressive chemicals. By adhering to these guidelines, engineers and construction professionals can effectively protect steel rebars in structures exposed to aggressive chemicals, minimizing the risk of corrosion and maintaining the structural integrity of the overall construction.
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Hot-Rolled Steel Deformed Bar Rebar Deformed Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 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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