Deformed Steel Rebars for Construction Concrete
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering Deformed Steel Rebars for Construction Concrete 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Deformed Steel Rebars for Construction Concrete 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 Rebars for Construction Concrete are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB335,HRB400,HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
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 many tons of steel products could be loaded in containers?
A2: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Images:
- Q: What is the effect of welding on the properties of steel rebars?
- The properties of steel rebars can be affected by welding in various ways. Firstly, the application of heat during welding can result in localized changes to the microstructure of the material. This, in turn, can lead to alterations in the rebars' mechanical properties, such as hardness and strength. The heat-affected zone near the weld may undergo changes in grain structure, potentially impacting the rebars' ability to withstand tension, compression, or bending forces. Secondly, welding can introduce residual stresses into the rebars due to the expansion and contraction of the material during the heating and cooling phases of the welding process. These residual stresses can potentially impact the rebars' performance under load, making them more prone to cracking or failure. Moreover, improper welding techniques can introduce defects like porosity, inclusions, or lack of fusion. These defects can weaken the rebars, reducing their load-bearing capacity. Additionally, the presence of welding consumables and fluxes can introduce impurities into the rebars, which may compromise their corrosion resistance. In summary, although welding can be an effective means of joining steel rebars, it is essential to consider its potential effects on their properties. To minimize these effects and ensure that the rebars maintain their desired mechanical and structural properties, it is crucial to employ proper welding techniques, such as preheating, controlling heat input, and post-weld heat treatment. Regular inspections and testing of welded rebars are also necessary to guarantee the integrity and safety of the overall structure.
- Q: Can steel rebars be used in tunnels or underground mines?
- Tunnels or underground mines can indeed utilize steel rebars. These strong bars are frequently employed in construction endeavors to fortify concrete structures, and the case is no different for tunnels and underground mines. The inclusion of reinforcing steel bars enhances the potency and steadiness of the concrete utilized in tunnel linings or mine shafts. By resisting the pressures exerted by the adjacent soil or rock, these bars avert cracking or collapse, thereby augmenting the overall robustness and endurance of the edifice. The selection of steel rebars is contingent upon their individual attributes, such as diameter, grade, and resistance to corrosion. This ensures that they meet the design prerequisites and are suitable for the specific subterranean circumstances.
- Q: What is the recommended spacing between steel rebars in concrete?
- The recommended spacing between steel rebars in concrete typically ranges from 3 to 6 inches, depending on the specific application and design requirements.
- Q: What is the recommended spacing between steel rebars in concrete slabs?
- The recommended spacing between steel rebars in concrete slabs typically ranges from 4 to 12 inches, depending on the specific design requirements and load conditions of the structure.
- Q: Are there any alternatives to steel rebars?
- There are multiple options available instead of steel rebars. One such option is the utilization of fiber-reinforced polymer (FRP) rebars, which consist of high-strength fibers embedded in a polymer matrix. FRP rebars present various advantages over traditional steel rebars, such as resistance to corrosion, high tensile strength, and lightweight characteristics. Moreover, they are non-magnetic and electrically non-conductive, making them appropriate for areas with concerns regarding electromagnetic interference. Another alternative is the employment of basalt rebars, which are manufactured from fibers derived from basalt rock. Basalt rebars offer similar benefits to FRP rebars, including corrosion resistance and high tensile strength. Furthermore, certain manufacturers have developed alternative materials like bamboo, carbon fiber, and glass fiber rebars, which have also displayed potential in specific applications. Nevertheless, it is crucial to consider that the selection of alternative rebars depends on the specific requirements of a project, and factors like cost, availability, and adherence to local building codes should be taken into account when choosing an alternative to steel rebars.
- Q: What is the maximum length of steel rebars that can be used in construction?
- The maximum length of steel rebars that can be used in construction depends on various factors such as the specific building codes and regulations in place, the structural requirements of the project, and the practical limitations in handling and transportation. In general, the length of steel rebars used in construction can range from a few feet to several meters. Common lengths for steel rebars typically range from 6 to 18 meters (20 to 60 feet). However, it is important to note that longer rebars may be available for specific applications or projects. It is crucial for engineers, architects, and contractors to consult the local building codes and regulations to determine the maximum allowable length of steel rebars for a particular construction project. These codes and regulations are designed to ensure structural integrity and safety in buildings and provide guidelines for the use of construction materials, including steel rebars.
- Q: Can steel rebars be used in structures with limited foundation support?
- Yes, steel rebars can be used in structures with limited foundation support. Steel rebars are commonly used as reinforcement in concrete structures to enhance their strength and durability. In structures with limited foundation support, the steel rebars can help distribute the load more evenly throughout the structure, minimizing the stress on the foundation. Additionally, the use of steel rebars can also increase the overall stability of the structure. However, it is important to note that the design and placement of the rebars should be done by a qualified engineer to ensure that they are properly integrated into the structure and can effectively bear the load.
- Q: How is steel rebar made?
- Steel rebar, short for reinforcing bar, is made through a process known as steel reinforcement fabrication. The first step in making steel rebar is to melt down raw materials such as iron ore, coal, and limestone in a blast furnace. This process, known as smelting, produces molten iron. Next, the molten iron is refined and purified in a basic oxygen furnace, where impurities such as carbon, sulfur, and phosphorous are removed. This refining process ensures that the resulting steel has the desired strength and properties. After refining, the steel is then cast into billets, which are long, solid bars. These billets are then heated and rolled into thin, elongated strands known as rebars. The rolling process involves passing the billets through a series of rollers that gradually shape and elongate the steel. Once the rebars are formed, they are cooled and cut into desired lengths. These lengths can vary depending on the intended use of the rebar, such as reinforcing concrete in buildings, bridges, or other structures. To further enhance the strength and durability of the rebar, it can undergo a process called quenching and tempering. This involves heating the rebar to a high temperature and then rapidly cooling it, followed by reheating and slow cooling. This process helps to improve the rebar's mechanical properties, making it more resistant to wear, corrosion, and other external forces. Finally, the rebar goes through a surface treatment process, such as hot-dip galvanizing or epoxy coating, to protect it from rust and corrosion. This coating ensures that the rebar maintains its structural integrity and longevity when used in various construction applications. Overall, the production of steel rebar involves a series of steps including smelting, refining, casting, rolling, cutting, heat treatment, and surface coating. These processes ensure that the final product meets the necessary strength and durability requirements for reinforcing concrete structures.
- Q: What are the advantages of using epoxy-coated stainless steel rebars?
- Epoxy-coated stainless steel rebars offer a variety of benefits. Firstly, the addition of epoxy coating enhances the rebars' corrosion resistance by acting as a barrier against moisture, chemicals, and other corrosive elements. This extends the rebars' lifespan and ensures the durability of the structure. Secondly, the epoxy coating improves the bond strength between the rebar and concrete by creating a rough surface texture. This results in a stronger overall structure. Another advantage is that the epoxy coating provides a smooth surface, making the rebars easier to handle and install during construction. It also eliminates the risk of injury from sharp edges. Furthermore, epoxy-coated stainless steel rebars are environmentally friendly as they do not contain harmful substances like lead or heavy metals. This makes them a sustainable choice for environmentally conscious projects. Lastly, these rebars require minimal maintenance due to the protective layer provided by the epoxy coating. This saves time, costs, and minimizes disruptions to ongoing construction projects. In conclusion, the benefits of using epoxy-coated stainless steel rebars include enhanced corrosion resistance, improved bond strength, ease of handling and installation, environmental friendliness, and reduced maintenance requirements. These advantages make them a reliable and cost-effective choice for reinforcing concrete structures.
- Q: How do steel rebars prevent cracks in concrete?
- Steel rebars prevent cracks in concrete by providing reinforcement and increasing the tensile strength of the concrete. Concrete is strong in compression but weak in tension, meaning it can withstand forces that squeeze or compress it, but is prone to cracking when subjected to tension or pulling forces. When steel rebars are embedded within the concrete, they act as a framework or skeleton, distributing the tensile forces throughout the structure. As a result, the rebars absorb the tension, preventing the concrete from cracking and failing under the applied load. The rebars also help to control the size and width of any cracks that may occur. By confining the cracks to a limited area around the rebars, they prevent the cracks from propagating and spreading throughout the entire concrete structure. Additionally, the presence of rebars can also help to prevent cracks from forming in the first place, as they reinforce the concrete and enhance its overall durability. In summary, steel rebars play a crucial role in preventing cracks in concrete by increasing its tensile strength, absorbing tension, and controlling the propagation of cracks. This reinforcement ensures the structural integrity and longevity of concrete structures, preventing potential failures and ensuring their safety.
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Deformed Steel Rebars for Construction Concrete
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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