Reinforcing Deformed Steel Bars in Grade HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
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 Africa, 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.
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 by OKorder.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.
Q4:What's your payment terms ?
A4:Mostly,we collect the money by T/T and LC at sight . We also accept time LC at 90/120 days sight.
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- Q: How are steel rebars handled and transported on construction sites?
- Steel rebars are typically handled and transported on construction sites using cranes or forklifts. They are often bundled together and lifted by the crane or picked up by the forklift to be moved to the desired location. In some cases, rebars may also be transported using flatbed trucks or trailers. It is important to ensure proper lifting and secure transportation to prevent any accidents or damage during the process.
- Q: What are the factors that affect the strength of steel rebars?
- The factors that affect the strength of steel rebars include the composition of the steel, the manufacturing process, the presence of impurities, the size and shape of the rebar, and the conditions in which it is used, such as temperature and exposure to corrosion.
- Q: 12 how much is one ton of thread steel?
- If it is hrb400e three grade rebar, then 12 of the meter price is 2.07 yuan; if it is hrb50 four grade rebar, that 12 of a meter price of 2.23 yuan.
- Q: How are steel rebars stored on-site?
- Steel rebars are typically stored on-site in designated areas that are specifically designed for rebar storage. These areas are usually flat and well-drained, ensuring that the rebars remain clean and free from rust or damage. The rebars are often stacked horizontally, with spacers placed between each layer to maintain proper alignment and prevent tangling. Additionally, rebars may be covered with tarps or plastic sheets to protect them from moisture and other environmental factors. Overall, proper storage of steel rebars on-site is crucial to maintain their quality and ensure their structural integrity.
- Q: What are the common quality control tests for steel rebars?
- Steel rebars undergo several quality control tests to ensure they meet industry standards and specifications. These tests assess the rebars' physical, mechanical, and chemical properties to guarantee their durability and performance. Common quality control tests for steel rebars include: 1. Tensile Test: This test determines the rebars' tensile strength, yield strength, and elongation. It involves gradually applying force to the rebar until it breaks, measuring the maximum force it can withstand. 2. Bend Test: This test evaluates the rebars' ability to withstand bending without cracking. The rebar is bent to a specific angle and inspected for visible cracks. 3. Chemical Composition Analysis: This test determines the rebars' chemical composition, ensuring they meet required standards. It involves analyzing the levels of carbon, manganese, phosphorus, sulfur, and other elements. 4. Visual Inspection: This test visually examines the rebars for surface defects like cracks or irregularities that could impact structural integrity. 5. Dimensional Inspection: This test verifies the rebars' dimensions and shape, checking for deviations from specified requirements. Instruments are used to measure diameter, length, and shape. 6. Weldability Test: If the rebars will be welded, a test is performed to assess their suitability for welding. The quality of the weld joint, including strength and brittleness, is evaluated. 7. Corrosion Resistance Test: This test determines the rebars' resistance to corrosion, which is crucial for long-term durability. It involves subjecting the rebars to accelerated corrosion conditions and assessing their resistance. These tests are essential in ensuring the quality and reliability of steel rebars used in construction projects. Manufacturers and inspectors can identify non-compliant or substandard rebars through these tests, ensuring the safety and structural integrity of buildings and infrastructure.
- Q: How are steel rebars marked for identification on construction sites?
- Steel rebars are typically marked for identification on construction sites using a variety of methods. The most common method is through the use of tags or labels that are attached to the rebars. These tags often contain important information such as the diameter, grade, and length of the rebar, as well as any additional specifications or codes that may be required. In addition to tags, rebars may also be marked using paint or ink. This can be done by either spraying or stenciling the required information directly onto the surface of the rebar. Paint or ink markings are often used for temporary identification purposes or when tags are not feasible. Another method of marking rebars is through the use of colored plastic or vinyl caps. These caps are placed on the ends of the rebars and are typically color-coded to indicate various characteristics such as the size or type of rebar. This method allows for quick and easy visual identification on the construction site. It is important to note that the specific method of marking rebars may vary depending on local regulations, project requirements, or the preferences of the construction company or engineer. The goal of these markings is to ensure that rebars can be easily identified and sorted during construction, helping to ensure proper installation and adherence to design specifications.
- Q: Can steel rebars be used in temporary structures?
- Yes, steel rebars can be used in temporary structures. Steel rebars provide structural reinforcement and can be used to strengthen concrete during construction. They can be easily installed and removed, making them suitable for temporary structures that require stability and durability.
- Q: What are the different types of steel rebars used in marine construction?
- In marine construction projects, various types of steel rebars are utilized to withstand the harsh conditions and corrosive environments commonly found in marine structures. 1. Stainless Steel Rebars: These rebars, containing chromium and nickel, are crafted from high-grade stainless steel. They exhibit exceptional resistance to corrosion, making them ideal for marine construction projects where exposure to saltwater and other corrosive elements is anticipated. Though more expensive, stainless steel rebars offer superior durability and longevity. 2. Epoxy-Coated Rebars: Carbon steel rebars are coated with an epoxy layer, acting as a protective barrier against corrosive elements and reducing the risk of rust and corrosion. These rebars are commonly employed in marine construction projects with high saltwater exposure. 3. Galvanized Rebars: By subjecting carbon steel rebars to a hot-dip galvanization process, a layer of zinc is applied, providing excellent corrosion resistance. Galvanized rebars are frequently used in marine construction projects susceptible to seawater or salt spray exposure. 4. Fiberglass Rebars: Composed of high-strength glass fibers embedded in a polymer matrix, fiberglass rebars offer excellent corrosion resistance unaffected by saltwater or other corrosive elements. These rebars are lightweight, non-magnetic, and possess high tensile strength, making them suitable for marine construction projects. 5. Carbon Steel Rebars: Carbon steel rebars are the most commonly used rebars in construction, including marine projects. Although not inherently corrosion-resistant, they can be treated with protective coatings, such as epoxy or galvanization, to enhance their durability and resistance to corrosive environments. It is crucial to consider the specific requirements and conditions of a marine construction project when selecting the appropriate type of steel rebars. Factors such as saltwater exposure, humidity, and anticipated lifespan of the structure should be taken into account to ensure its longevity and safety.
- Q: Can steel rebars be used in dam construction projects?
- Yes, steel rebars can be used in dam construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including dams, to provide strength and durability. The rebars help to distribute loads and resist tension forces, ensuring the stability and longevity of the dam.
- Q: How are steel rebars classified based on their shapes?
- Steel rebars are classified based on their shapes into various types. One of the commonly used types is the plain round bar, which is a straight cylindrical rod with no deformations or protrusions. Another type is the deformed bar, which has deformations or ribs on its surface. These deformations provide better bonding between the bar and the concrete, thus enhancing the overall strength of the structure. There are different patterns of deformations used in deformed bars, such as ribbed, twisted, and indented. Ribbed bars have evenly spaced protrusions along the length of the bar, which increase the surface area and improve the grip with the concrete. Twisted bars have a helical pattern of deformations, providing a strong grip. Indented bars have small indentations or notches on their surface, enhancing the bond strength. In addition to plain round and deformed bars, there are also other specialized shapes available for specific applications. These include square bars, which have a square cross-section, and rectangular bars, which have a rectangular cross-section. These shapes are often used in applications where the rebars need to be positioned in a specific orientation or where additional strength is required in a particular direction. Overall, the classification of steel rebars based on their shapes allows for the selection of the most suitable type for different construction projects, considering factors such as bonding strength, load-bearing capacity, and specific design requirements.
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Reinforcing Deformed Steel Bars in Grade HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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