Twelve mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specifications of Twelve mm Cold Rolled Steel Rebars with High Quality:
Name | Cold Rolled Steel Rebar | |
Diameter | 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, | |
Length | 6M, 9M, 12M or as required | |
Price | Keep lower operating costs so as to offer competitive price for our clients | |
Label | to be specified by customer, generally, each bundle has 1-2 labels | |
Application | Building, construction | |
Invoicing | Actual or Theoretical Weight Basis as buyer’s request. | |
Theoretical weight and section area of each diameter of Twelve mm Cold Rolled Steel Rebars with High Quality as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
12 | 113.04 | 0.888 | 10.656 | 93.84 |
Packaging & Delivery of Twelve mm Cold Rolled Steel Rebars with High Quality:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Delivery Detail: within 45 days after received advanced payment or LC.
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 arrange production. The shipping date is dependent upon the quatity, how many sizes you want and the plan of production, but is typically 1 month to 2 month days from the beginning of production.
Images of Twelve mm Cold Rolled Steel Rebars with High Quality:
- Q:Are steel rebars suitable for use in structures with high resistance to impact?
- Yes, steel rebars are suitable for use in structures with high resistance to impact. Steel rebars are known for their high strength and durability, making them a reliable choice for reinforcing structures that need to withstand impact forces. Their ability to absorb and distribute impact loads helps enhance the structural integrity and resilience of the building, making them a preferred material in construction projects where impact resistance is crucial.
- Q:Can steel rebars be used in reinforced masonry construction?
- Yes, steel rebars can be used in reinforced masonry construction. Rebars are commonly used to reinforce masonry structures, providing additional strength and stability to the overall construction.
- Q:What are the guidelines for storing steel rebars on a construction site?
- To ensure safety and maintain the quality of steel rebars stored on a construction site, it is important to follow several guidelines. Here are some key recommendations: 1. Choose a designated area on the construction site that is flat, clean, and well-drained for storing the rebars. Avoid areas that are prone to flooding or excessive moisture. 2. Elevate the rebars above the ground using wooden or concrete blocks to prevent direct contact with soil or water. This will help prevent rusting and corrosion. 3. Stack the rebars in a stable manner, aligning them vertically and horizontally to maintain their shape and prevent bending or warping. Use spacers or crates between layers to ensure proper spacing and prevent entanglement. 4. Protect the rebars from the elements by covering them with a waterproof tarp or plastic sheet. This will shield them from rain, snow, or excessive sunlight and prevent rusting and degradation. 5. Store different sizes and types of rebars separately to avoid mixing or confusion during construction. Clearly label and mark each stack to identify the type, size, and grade of the rebars. 6. Organize the rebars in a logical manner to provide easy access for construction workers. Place smaller rebars on top for easy retrieval and avoid storing heavier rebars on top of lighter ones to prevent damage. 7. Take safety precautions by maintaining a safe distance between the rebars and any heavy machinery or equipment to minimize the risk of accidents. Secure the rebars properly to prevent them from falling or causing injury. 8. Regularly inspect the rebars for any signs of damage, rust, or corrosion. Replace or repair any compromised rebars to avoid compromising the structural integrity of the construction project. By following these guidelines, construction sites can ensure the proper storage of steel rebars, promoting safety, efficiency, and the longevity of the rebars.
- Q:How long do steel rebars typically last before corroding?
- Steel rebars typically last a significant amount of time before corroding, but the exact duration can vary depending on several factors. Generally, rebars are designed to have a service life of around 50 to 100 years. However, this estimate can change based on the environment and conditions in which the rebars are exposed. Corrosion of steel rebars occurs when they are exposed to moisture, oxygen, and other corrosive elements, such as chloride ions. Factors such as humidity, temperature, pH level of the surrounding environment, and the presence of chemicals can all influence the rate at which corrosion occurs. In areas with high humidity or near coastal regions where saltwater spray is prevalent, rebars may corrode at a faster rate due to the presence of chloride ions. On the other hand, in dry and less corrosive environments, rebars may last longer before showing signs of corrosion. To enhance the durability and longevity of steel rebars, various corrosion prevention techniques and protective measures can be employed. These include applying coatings or paints to the rebars, using stainless steel rebars, incorporating corrosion inhibitors in the concrete mix, and ensuring proper concrete cover thickness to shield the rebars from environmental exposure. Regular maintenance and inspections are also essential to identify any signs of corrosion early on and take appropriate measures to repair or replace the affected rebars. Overall, the lifespan of steel rebars before corrosion is influenced by multiple factors, and proper preventive measures can significantly extend their durability.
- Q:What are the guidelines for proper cover thickness of steel rebars in concrete structures?
- Ensuring the durability and structural integrity of concrete structures heavily relies on adhering to the guidelines for proper cover thickness of steel rebars. Below are the general guidelines to consider: 1. Local building codes and regulations: It is crucial to refer to the building codes and regulations applicable in the area as they provide detailed specifications for the cover thickness of steel rebars in concrete structures. These codes are based on extensive research, testing, and engineering standards, guaranteeing the safety and longevity of the structure. 2. Environmental factors: The environmental conditions in which the structure will be situated should be taken into account. Variables like exposure to corrosive substances, humidity, temperature fluctuations, and seismic activity can influence the necessary cover thickness. In more challenging environments, it may be necessary to use thicker covers to adequately protect against corrosion. 3. Rebar diameter: The diameter of the steel rebars also influences the appropriate cover thickness. Smaller diameter rebars may require a thinner cover compared to larger diameter rebars to maintain strength and prevent corrosion. 4. Structural design considerations: When determining the cover thickness, the design of the concrete structure, including its load-bearing capacity, reinforcement layout, and anticipated stresses, must be considered. Consulting with a structural engineer is vital to accurately determine the cover thickness based on the specific design requirements. 5. Concrete quality: The quality and type of concrete used in construction also impact the necessary cover thickness. Higher-grade concrete with superior corrosion resistance may allow for a thinner cover, while lower-grade concrete may necessitate a thicker cover to provide adequate protection to the rebars. 6. Construction process: The construction process itself can affect the cover thickness. Proper placement and compaction of the concrete, as well as careful handling of the rebars during installation, are essential to maintain the desired cover thickness. Construction workers and contractors should receive training and possess knowledge of the correct procedures to achieve the appropriate cover thickness. Adhering to these guidelines is crucial to ensure the long-term durability, safety, and performance of concrete structures. It is always recommended to consult with a qualified structural engineer or other relevant professionals to determine the specific cover thickness requirements for a particular project.
- Q:What is the process of handling and transporting steel rebars on-site?
- The process of handling and transporting steel rebars on-site involves several steps to ensure their safe and efficient movement. 1. Receiving: The first step is the receipt of the steel rebars at the construction site. This typically involves unloading the rebars from the delivery truck and inspecting them for any damage or defects. 2. Storage: Once unloaded, the rebars are typically stored in a designated area, known as a rebar yard. The rebars are arranged and stacked in a way that allows for easy access and prevents them from getting damaged or tangled. 3. Cutting and bending: Depending on the specific requirements of the construction project, the rebars may need to be cut or bent to a certain shape before installation. This process is typically done using specialized tools and equipment, such as rebar cutters and benders. 4. Transportation to the work area: Once the rebars are cut and bent, they need to be transported to the specific area on the construction site where they will be installed. This can be done manually by workers carrying individual rebars or by using mechanical equipment, such as cranes or forklifts, to move larger quantities of rebars at once. 5. Installation: Once the rebars have been transported to the work area, they are installed according to the project's design and specifications. This usually involves placing the rebars into the appropriate position within the concrete structure, such as columns, beams, or slabs. Throughout the entire process, it is crucial to follow safety guidelines to prevent accidents or injuries. This includes wearing appropriate protective gear, such as gloves and safety boots, and ensuring that the rebars are handled and transported in a way that minimizes the risk of tripping or falling. Additionally, regular inspections should be conducted to check for any damage or defects in the rebars, as these can compromise the structural integrity of the construction project.
- Q:How do steel rebars contribute to the crack control in slabs and walls?
- The resistive properties of steel rebars contribute significantly to crack control in slabs and walls. When loads are applied to concrete slabs and walls, such as the weight of the structure or external forces, they can develop tensile stresses. However, concrete is strong in compression but weak in tension, which makes it susceptible to cracking under tensile forces. To counteract these tensile stresses, steel rebars are embedded within the concrete. The rebars absorb and distribute the tensile forces, preventing crack formation and controlling their propagation. Essentially, the rebars act as reinforcement, enhancing the overall tensile strength of the concrete. The presence of steel rebars in slabs and walls has the additional benefit of limiting the width and length of cracks that may occur. This is achieved by providing resistance against the tensile stresses. This crack control is of utmost importance in maintaining the structural integrity and durability of the concrete elements. Moreover, steel rebars also contribute to crack control by enhancing the overall ductility of the structure. Ductility refers to the ability of a material to deform under load without fracturing. By improving the ductility of the concrete, the rebars enable the structure to absorb energy and deform in a controlled manner. This reduces the likelihood of sudden failure or catastrophic collapse. In conclusion, steel rebars play a crucial role in crack control in slabs and walls. They increase the tensile strength of concrete, limit crack width and length, and improve overall structural ductility. Their presence ensures the long-term durability and safety of these concrete elements.
- Q:What are the common defects found in steel rebars?
- Some common defects found in steel rebars include surface cracks, improper dimensions, bending or twisting, rust or corrosion, and inadequate strength due to poor quality control during manufacturing or handling processes.
- Q:How do steel rebars contribute to the overall stability of a structure?
- Steel rebars contribute to the overall stability of a structure by enhancing its strength and durability. These reinforcing bars are embedded within concrete to provide tensile strength, which is necessary to resist bending or cracking forces. They help distribute the applied loads evenly throughout the structure, preventing the formation of cracks and ensuring structural integrity. Additionally, rebars help prevent the structure from collapsing under extreme conditions, such as earthquakes or heavy winds, by increasing its ability to withstand these external forces.
- Q:What are the different sizes of steel rebars available in the market?
- The market offers a variety of steel rebar sizes to cater to the specific needs and requirements of construction projects. Typically, steel rebars are available in a range of diameters, which commonly span from 6mm to 40mm. The designated sizes are determined by the nominal diameter of the rebar. Among the steel rebars available in the market, the most frequently utilized sizes are 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm, and 40mm. These sizes are extensively employed in various construction applications and can easily be found in most hardware stores. The selection of the rebar size is reliant on the structural design, the required load-bearing capacity, and the specific construction project. Smaller diameter rebars, such as 6mm or 8mm, are commonly employed in light construction projects or instances where a lesser load-bearing capacity is necessary. Conversely, larger diameter rebars, such as 25mm or 32mm, are often used in heavy-duty construction projects or structures that demand higher load-bearing capacity. To determine the appropriate rebar size for a particular project, it is crucial to consult with structural engineers or construction professionals. They can offer guidance based on the design requirements and structural calculations.
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Twelve mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 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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