Hot Rolled Steel Rebars Deformed bar JIS standard
- 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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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering Hot Rolled Steel Rebars Deformed bar JIS standard 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:
Hot Rolled Steel Rebars Deformed bar JIS standard are ideal for structural applications and are widely used in forest region, Mines, factories and construction sites laid of the place such as temporary transport line and light motorcycles with line..
Product Advantages:
OKorder's Hot Rolled Steel Rebars Deformed bar JIS standard 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
Diameter:10mm-32mm
Packing: products are packed in coils and shipped by break bulk or containers
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 |
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:How long do steel rebars typically last before corroding?
- Steel rebars have a substantial lifespan before they corrode, but the exact duration can vary depending on several factors. Generally, rebars are designed to last around 50 to 100 years. However, this estimate can change depending on the environment and conditions they are exposed to. Corrosion of steel rebars occurs when they come into contact with moisture, oxygen, and other corrosive elements like chloride ions. Humidity, temperature, pH level of the surroundings, and the presence of chemicals can all affect the rate of corrosion. In regions with high humidity or near coastal areas where saltwater spray is common, rebars may corrode more quickly due to the presence of chloride ions. Conversely, in dry and less corrosive environments, rebars may endure longer before showing signs of corrosion. To increase the durability and longevity of steel rebars, various techniques and protective measures can be used. These include applying coatings or paints, utilizing stainless steel rebars, incorporating corrosion inhibitors in the concrete mix, and ensuring adequate concrete cover thickness to shield the rebars from the environment. Regular maintenance and inspections are also crucial to detect any early signs of corrosion and take appropriate actions to repair or replace the affected rebars. Ultimately, 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 different grades of steel rebars?
- The different grades of steel rebars include grade 40, grade 60, grade 75, and grade 80.
- Q:What are the different methods for attaching steel rebars to existing structures?
- There are several methods for attaching steel rebars to existing structures, including drilling and epoxy anchoring, mechanical anchoring using couplers, welding, and using adhesive or resin-based systems. Each method has its own advantages and considerations depending on the specific requirements and conditions of the structure.
- 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:Can steel rebars be used in composite structures?
- Yes, steel rebars can be used in composite structures. Steel rebars are commonly used as reinforcing elements in concrete structures, but they can also be utilized in composite structures by integrating them with other materials such as fiberglass, carbon fiber, or polymers. This combination enhances the overall strength, durability, and load-bearing capacity of the composite structure.
- Q:What factors affect the cost of steel rebars?
- Several factors can affect the cost of steel rebars. These include the current market demand and supply for steel, the cost of raw materials such as iron ore and scrap metal, transportation and logistics costs, energy costs, labor costs, and any applicable taxes or tariffs. Additionally, fluctuations in currency exchange rates and global economic conditions can also impact the cost of steel rebars.
- Q:What are the guidelines for proper tying of steel rebars in concrete structures?
- The guidelines for the proper tying of steel rebars in concrete structures are crucial to ensure the structural integrity and durability of the construction. Here are some important guidelines to follow: 1. Rebar Placement: Prior to tying, ensure that the rebars are accurately positioned as per the structural drawings and design specifications. The rebars should be placed at the designated locations, depths, and with proper spacing to provide the required strength and reinforcement. 2. Tying Tools: Use appropriate tools such as pliers or rebar tying machines to ensure proper and secure tying. The tools should be in good condition and suitable for the size and type of rebars being used. 3. Tying Technique: Adopt a consistent and efficient tying technique. Start by securely holding the rebars together at the intersection point. Wrap the tie wire around both rebars multiple times, ensuring tight and firm connections. The tie wire should be properly twisted and cut neatly to avoid any protrusions. 4. Tie Wire Selection: Use high-quality tie wires with sufficient strength to withstand the tension and load requirements. The tie wire should be corrosion-resistant, typically made of galvanized steel or stainless steel, to prevent rusting and deterioration over time. 5. Tying Spacing: Follow the specified tying spacing as per the design requirements. Adequate spacing between ties helps maintain the rebars in their designated positions and prevents any displacement during concrete pouring and subsequent curing. 6. Tying Quantity: Tie rebars at appropriate intervals to ensure sufficient connection and reinforcement. The number of ties required will depend on the size, shape, and length of the rebars used, as well as the structural design specifications. 7. Tying Consistency: Maintain consistency in tying throughout the entire concrete structure. Uneven or inconsistent tying can lead to weak points, reduced reinforcement, and compromised structural integrity. 8. Tying Safety: Always prioritize safety during the tying process. Wear appropriate personal protective equipment (PPE) such as gloves and safety glasses to protect against injuries. Take precautions to avoid tripping hazards and ensure a safe working environment. 9. Inspection and Quality Control: Regularly inspect the tied rebars to ensure compliance with design specifications and quality standards. Conduct visual inspections and perform pull tests to assess the strength and effectiveness of the ties. 10. Compliance with Codes and Standards: Adhere to local building codes, industry standards, and engineering guidelines specific to your region. These codes provide essential requirements for rebar tying, ensuring the durability and safety of the concrete structure. By following these guidelines, construction professionals can ensure the proper tying of steel rebars in concrete structures, improving their strength, stability, and longevity.
- Q:Are there any specific safety precautions to be taken while handling steel rebars?
- Yes, there are specific safety precautions to be taken while handling steel rebars. Some of these precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety boots, and eye protection to prevent injuries. It is also important to ensure a safe lifting technique while handling heavy rebars to avoid strains or back injuries. Additionally, workers should be cautious of sharp ends of the rebars and use caution to avoid any cuts or punctures. Regular inspection and maintenance of the rebars is essential to identify any damages or defects that could compromise safety.
- Q:Can steel rebars be used in earthquake-resistant buildings?
- Yes, steel rebars can be used in earthquake-resistant buildings. Steel rebars are commonly used in reinforced concrete structures, including earthquake-resistant buildings, to enhance their strength and structural integrity. The steel reinforcement helps to distribute and absorb the forces generated during an earthquake, preventing the structure from collapsing or sustaining significant damage.
- Q:What are the factors considered in designing with steel rebars?
- To ensure the structural integrity and safety of the final structure, various factors are taken into consideration when designing with steel rebars. These factors encompass the following: 1. The structural requirements of the project are the foremost consideration. This involves determining the load capacity, the type of structure, and the desired strength and durability. 2. Designers must adhere to building codes and regulations established by local authorities. These codes specify the minimum standards for materials, design, and construction to ensure the structure meets safety and performance requirements. 3. Steel rebars come in different grades and sizes, each possessing unique mechanical properties. Hence, the designer must choose the appropriate grade and size of rebars based on the structural requirements and specifications. 4. Proper placement and spacing of steel rebars are essential in providing sufficient reinforcement. This entails determining the number of rebars, their diameter, and the spacing between them to ensure even distribution of forces and prevent structural failure. 5. Steel rebars must be adequately covered by concrete to safeguard against corrosion. The designer must determine the necessary concrete cover based on environmental conditions, exposure to moisture or chemicals, and the desired service life of the structure. 6. Corrosion protection is a vital consideration since steel rebars are prone to corrosion, which can weaken the structure over time. Designers must evaluate methods of corrosion protection, such as utilizing epoxy-coated rebars, increasing concrete cover, or implementing cathodic protection systems. 7. The design should also take into account the construction process and the ease of installation. This involves considering the accessibility of rebars, the feasibility of construction techniques, and any special requirements for placement and anchorage. By considering these factors, designers can develop steel rebar designs that adhere to safety standards, offer adequate reinforcement, and ensure the durability of the structure.
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Hot Rolled Steel Rebars Deformed bar JIS standard
- 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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