Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50Tons m.t.
- Supply Capability:
- 1000 Tons Per Day m.t./month
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Specifications of Steel Rebar:
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
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. | ||
Type | Hot rolled steel rebar | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2.00 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
50 | 1964 | 15.42 | 185.04 | 5.40 |
Steel Rebar in warehouse
Chemical Composition: (Please kindly find our chemistry of our material based on BS4449 as below for your information)
BS4449 G460B | Chemical Composition | ||||
C | Mn | Si | S | P | |
0.18 | 0.35 | 0.14 | 0.025 | 0.25 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
625 | ≥460 | 18 | |||
Usage and Applications of Steel Rebar:
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..
Packaging & Delivery of Steel Rebar:
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.
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
- Q: How do steel rebars affect the overall crack width of concrete structures?
- Steel rebars affect the overall crack width of concrete structures in several ways. Firstly, rebars provide reinforcement to the concrete, making it stronger and more resistant to cracking. The presence of rebars helps distribute the tensile forces within the concrete, preventing cracks from spreading and widening. This is because when the concrete is subjected to tensile stress, the rebars take on a significant portion of the load, reducing the stress on the concrete itself and minimizing crack formation. Moreover, the use of rebars also influences the spacing and size of cracks in concrete structures. By adding rebars at specific intervals and in appropriate sizes, engineers can control the crack width of the concrete. The rebars act as barriers that limit the width of cracks by providing resistance to the tensile forces acting on the concrete. This is particularly important in structures that are exposed to heavy loads or external forces, as it helps maintain the structural integrity and durability of the concrete. Additionally, steel rebars can also affect the propagation of cracks in concrete structures. When cracks do occur, the presence of rebars can help prevent the cracks from extending further. The rebars act as anchors, holding the cracked sections of the concrete together and preventing the cracks from spreading. This is crucial in ensuring the overall stability of the structure and minimizing the risk of structural failure. In summary, steel rebars play a vital role in influencing the overall crack width of concrete structures. They enhance the strength of the concrete, distribute tensile forces, control crack spacing and size, and prevent crack propagation. By incorporating rebars into concrete structures, engineers can effectively manage and reduce the formation and severity of cracks, ensuring the longevity and safety of the structures.
- Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?
- The guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements involve several key considerations to ensure structural integrity and performance. 1. Design and Engineering: The first step is to consult with a qualified structural engineer who specializes in pre-stressed or post-tensioned concrete design. They will determine the appropriate size, spacing, and type of rebars required for the specific project based on the structural loads, design requirements, and desired performance. 2. Material Selection: The rebars used in pre-stressed or post-tensioned concrete elements should conform to the relevant industry standards, such as ASTM A615 or ASTM A706 for reinforcing steel. The rebars should have sufficient strength, ductility, and corrosion resistance to withstand the stresses and environmental conditions. 3. Placement and Anchorage: The rebars need to be accurately placed and anchored within the concrete elements. The specific placement and anchorage requirements will depend on the project's design and engineering specifications. The rebars should be properly aligned and secured to ensure effective transfer of forces to the concrete. 4. Tensioning Process: For pre-stressed concrete elements, the rebars are tensioned before the concrete is poured. This process involves applying a predetermined amount of force to the rebars using specialized jacks or hydraulic systems. The tensioning force should be carefully controlled to achieve the desired amount of pre-stress and avoid overloading the rebars or damaging the concrete. 5. Post-Tensioning: In the case of post-tensioned concrete elements, the rebars are tensioned after the concrete has hardened. This is typically done by passing the rebars through ducts or sleeves within the concrete and applying tension using hydraulic jacks. The post-tensioning force should be carefully calibrated to achieve the desired structural performance and avoid excessive strain on the rebars or the concrete. 6. Quality Control and Inspection: Throughout the construction process, regular quality control and inspection should be carried out to ensure compliance with design specifications and industry standards. This includes verifying the correct placement, alignment, and tensioning of the rebars, as well as checking for any defects or damage. 7. Maintenance and Durability: To ensure the long-term durability and performance of pre-stressed or post-tensioned concrete elements, proper maintenance is crucial. This may involve periodic inspections, maintenance of protective coatings, and addressing any signs of corrosion or deterioration promptly. By following these guidelines, construction professionals can ensure the safe and effective use of steel rebars in pre-stressed or post-tensioned concrete elements, resulting in structurally sound and durable concrete structures.
- Q: What is the process of bending steel rebars into shapes other than straight bars?
- To create shapes other than straight bars, steel rebars undergo a series of steps and techniques. Initially, measurement and marking are carried out to identify the desired bending points and angles. A measuring tape, square, and marker are typically utilized for this purpose. Following this, the rebars are fastened within a bending machine or a manual bending tool. The bending machine comprises a bending head and a bending table as its primary components. The rebars are positioned on the bending table, while the bending head is adjusted to the desired angle and position. Once the rebars are securely placed, the bending process commences. Manual tools like a rebar bender or cutter can be utilized for smaller rebars. These tools enable the worker to exert force and bend the steel rebar into the desired shape. For larger rebars or intricate shapes, a hydraulic bending machine is often employed. This machine employs hydraulic pressure to bend the rebars, allowing for enhanced precision and control. The operator can modify the bend's angle and radius to achieve the desired shape. Throughout the bending process, it is crucial to prevent overstressing or damaging the rebars. Excessive bending can weaken the rebars and jeopardize their structural integrity. Hence, it is essential to adhere to the bending specifications and guidelines provided by engineers and construction standards. Once the rebars have been bent into the desired shape, they are typically inspected for any defects or imperfections. This inspection ensures that the rebars conform to the required standards and can be safely utilized in construction projects. In conclusion, the process of bending steel rebars into shapes other than straight bars involves measurement and marking, securing the rebars in a bending machine, applying force or hydraulic pressure to bend the rebars, and inspecting the final product for quality assurance. This process necessitates precision, skill, and adherence to safety guidelines to ensure the rebars can withstand the intended structural loads.
- Q: Can steel rebars be used in decorative or artistic applications?
- Yes, steel rebars can be used in decorative or artistic applications. They can be shaped, welded, or manipulated to create unique and visually appealing designs for sculptures, furniture, architectural elements, and more. The durability and strength of steel rebars make them suitable for both functional and aesthetic purposes in decorative or artistic projects.
- Q: Can steel rebars be used in other applications besides construction?
- Yes, steel rebars can be used in other applications besides construction. They are commonly utilized in various industries such as automotive, manufacturing, and infrastructure projects, where their high strength and durability make them suitable for reinforcement purposes. Additionally, steel rebars can also be employed in sculptures, art installations, and DIY projects due to their malleability and versatility.
- Q: How are steel rebars marked for identification?
- Steel rebars are typically marked for identification by using different methods such as paint, tags, or embossed markings. These markings usually include information such as the grade of steel, manufacturer's logo, and bar size.
- Q: Are there any environmental concerns associated with steel rebar production?
- Yes, there are several environmental concerns associated with steel rebar production. Firstly, the extraction and processing of iron ore, which is used to produce steel, can lead to deforestation, habitat destruction, and soil erosion. Additionally, the production process emits significant amounts of greenhouse gases, contributing to climate change. Steel rebar production also requires large amounts of water, leading to potential water scarcity issues. Furthermore, the disposal of waste materials and byproducts from steel production can contaminate soil and water bodies, posing risks to ecosystems and human health. Therefore, it is important to consider and address these environmental concerns in the steel rebar production process.
- Q: What is the weight of steel rebars per meter or foot?
- The weight of steel rebars per meter or foot varies depending on the size and type of rebar being used. Standard steel rebars are typically available in various diameters, ranging from 6mm to 50mm. The weight per meter or foot can be calculated by multiplying the cross-sectional area of the rebar (in square meters or square feet) by the density of steel, which is approximately 7850 kilograms per cubic meter or 0.2836 pounds per cubic inch. To provide a specific example, let's consider a standard 10mm diameter rebar. The cross-sectional area can be calculated using the formula for the area of a circle (πr²), where r is the radius of the rebar (5mm in this case). Assuming a meter as the unit of measurement, the cross-sectional area would be π(0.01m)² = 0.000314 square meters. Multiplying this by the density of steel, we get 0.000314m² * 7850kg/m³ = 2.464 kilograms per meter. Similarly, if we were to calculate the weight in pounds per foot, we would convert the density of steel to pounds per cubic foot (approximately 490 pounds per cubic foot) and multiply the cross-sectional area by this value. It is important to note that weights may vary slightly depending on the specific grade of steel being used, so it is advisable to consult the manufacturer's specifications or a reliable reference for accurate weight calculations.
- Q: Are steel rebars susceptible to magnetism?
- Yes, steel rebars are susceptible to magnetism as they are made primarily of iron, which is a ferromagnetic material.
- Q: Are there any alternative materials to steel rebars?
- Yes, there are several alternative materials to steel rebars. Some commonly used alternatives include fiberglass, carbon fiber, and basalt rebars. These materials offer advantages such as corrosion resistance, high tensile strength, and thermal stability, making them suitable for various construction applications. However, their cost and availability may vary compared to traditional steel rebars.
1. Manufacturer Overview
| Location | Hebei, China |
| Year Established | 2002 |
| Annual Output Value | Above US$ 400 Million |
| Main Markets | South Asia; Middle East;Southeast Aisa |
| Company Certifications |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 60%-80% |
| No.of Employees in Trade Department | 11-20 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | Above 100,000 square meters |
| No. of Production Lines | 2 |
| Contract Manufacturing | OEM service offered |
| Product Price Range | average |
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Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50Tons m.t.
- Supply Capability:
- 1000 Tons Per Day m.t./month
OKorder Service Pledge
OKorder Financial Service
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