GB400 Deformed Steel Bars for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering GB400 deformed steel bars for construction 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
GB400 deformed steel bars 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 bars 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:
Specifications of Deformed Steel Bar:
Standard | GB | HRB335, HRB400, HRB500 | |
UK | G460B, B500A, B500B,B500C | ||
USA | 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 | ||
Place of origin | China mainland | ||
Application | building,construction,road,bridge etc | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(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 | 2.00 |
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 |
50 | 1964 | 15.42 |
Usage and Applications of Deformed Steel Bar:
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 Deformed Steel Bar:
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 term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Deformed Steel Bar in Coil
Produce Line of Deformed Steel Bar
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
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 soon can we receive the product after purchase?
A2: 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.
- Q: How do steel rebars affect the overall cost of maintenance?
- Steel rebars can significantly affect the overall cost of maintenance in several ways. Firstly, the quality and durability of steel rebars play a crucial role in ensuring the structural integrity of buildings and infrastructure. When steel rebars are of high quality and properly installed, they can enhance the strength and longevity of concrete structures, reducing the need for frequent repairs or replacements. This, in turn, lowers the maintenance costs over time. Additionally, steel rebars provide reinforcement to concrete, making structures more resistant to external forces such as seismic activities, heavy loads, and environmental factors like corrosion. By increasing the structural resilience, steel rebars can minimize the likelihood of damage and the subsequent maintenance expenses that would be required to fix or restore the affected areas. Moreover, proper maintenance of steel rebars themselves is essential to prevent corrosion. Without adequate preventive measures like regular inspections, cleaning, and applying protective coatings, rebars can succumb to rust and corrosion, ultimately compromising the structural integrity of the entire concrete structure. Corrosion-related repairs or replacements can be extremely costly and time-consuming, significantly impacting the overall maintenance budget. Lastly, the choice of steel rebars during the construction or renovation phase can also influence maintenance costs. Opting for higher-grade rebars with superior corrosion resistance can initially increase the upfront costs but can substantially reduce the long-term maintenance expenses. Investing in high-quality steel rebars can minimize the need for frequent repairs and replacements, resulting in overall cost savings and improved structural reliability. In conclusion, steel rebars have a direct impact on the overall cost of maintenance. By providing reinforcement and enhancing structural integrity, high-quality rebars can reduce the need for repairs, prevent damage, and improve the durability of concrete structures. However, neglecting proper maintenance of rebars can lead to corrosion issues, which can be expensive to address. Therefore, careful consideration of the quality, installation, and ongoing maintenance of steel rebars is essential to minimize maintenance costs in the long run.
- Q: Can steel rebars be used in extreme weather conditions?
- Yes, steel rebars can be used in extreme weather conditions. Steel rebars are known for their durability and strength, making them suitable for various weather conditions, including extreme ones. They are resistant to high temperatures, corrosion, and can withstand harsh weather elements such as rain, snow, and strong winds. Additionally, proper maintenance and coating can further enhance their resistance to extreme weather conditions.
- Q: What are the common types of steel rebars used in bridge construction?
- In bridge construction, there are several common types of steel rebars that are widely used. These include: 1. Carbon Steel Rebars: These are the most commonly used rebars in bridge construction. They are made of carbon steel and have high strength and durability. Carbon steel rebars are known for their excellent tensile strength and ability to withstand heavy loads. 2. Stainless Steel Rebars: Stainless steel rebars are corrosion-resistant and have a high resistance to environmental factors such as moisture and chemicals. They are commonly used in bridge construction projects located in coastal areas or environments with high levels of pollution. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are carbon steel rebars that are coated with a layer of epoxy to provide corrosion protection. This type of rebar is commonly used in bridges exposed to harsh environmental conditions, such as bridges located in coastal areas or those subjected to de-icing salts. 4. Galvanized Rebars: Galvanized rebars are carbon steel rebars that have been coated with a layer of zinc. This coating provides excellent corrosion resistance, making galvanized rebars suitable for use in bridge construction projects located in corrosive environments. 5. Fiberglass Rebars: Fiberglass rebars are made of glass fibers embedded in a polymer resin matrix. This type of rebar is lightweight, corrosion-resistant, and has a high strength-to-weight ratio. Fiberglass rebars are commonly used in bridge construction projects where weight reduction is a key consideration. Each type of rebar has its advantages and is selected based on the specific requirements of the bridge construction project, including factors such as the environmental conditions, load-bearing capabilities, and durability requirements.
- Q: What is the process of anchoring steel rebars in concrete?
- To establish a sturdy and secure connection between steel rebars and concrete, a series of steps must be taken. Initially, the concrete surface where the rebars will be anchored must be adequately prepared. This typically entails cleansing the surface to eliminate any dirt, dust, or debris that could hinder the bonding process. It is also imperative to confirm that the concrete has fully cured and attained the required strength before proceeding. Subsequently, the rebars are cut to the desired length and shape as per the construction plans. Adhering to the specified dimensions and placement requirements is essential to guarantee proper reinforcement and structural integrity. Once the rebars are prepared, they are typically positioned in the desired location within the concrete formwork. The rebars need to be placed at the correct depth and spacing as outlined in the design. This is commonly achieved by employing plastic or metal chairs, spacers, or tie wire to hold the rebars firmly in place. Once the rebars are appropriately positioned, the next step involves fastening them to the concrete. One prevalent method of anchoring the rebars is by utilizing mechanical anchors or rebar couplers. These devices are designed to establish a strong connection between the rebars and the concrete through various mechanisms such as threading, crimping, or expansion. Alternatively, another technique for anchoring the rebars involves using adhesive or cementitious grouts. These substances are applied to the rebars and then inserted into pre-drilled holes in the concrete. The adhesive or grout aids in bonding the rebars to the concrete and provides additional reinforcement. Finally, after the rebars are anchored, the concrete is poured or placed around them. To ensure complete encapsulation of the rebars, the concrete must be consolidated effectively. This can be achieved by implementing techniques such as vibrating the concrete or employing specialized equipment. In conclusion, anchoring steel rebars in concrete necessitates meticulous planning, preparation, and execution to establish a dependable and long-lasting bond. Adhering to industry standards and design specifications is vital to achieve the desired structural strength and integrity.
- Q: How are steel rebars connected or spliced together?
- Steel rebars are typically connected or spliced together using various methods, including lap splicing, mechanical splicing, and welded splicing. Lap splicing involves overlapping the rebars and tying them together using wire or steel ties. Mechanical splicing involves using couplers or connectors to join the rebars together, providing a strong and efficient connection. Welded splicing involves welding the rebars together, creating a permanent and robust connection. The choice of splicing method depends on factors such as project requirements, structural design, and construction techniques.
- Q: What is the process of inspecting steel rebars on-site?
- The quality and adherence to specifications of steel rebars on-site are ensured through a series of steps in the inspection process. Firstly, a visual inspection is conducted to identify any visible defects or damage, such as rust, cracks, bends, or improper dimensions. Immediate attention is given to any issues found. Next, accurate measurements are taken using tools like calipers or measuring tapes. The length, diameter, and shape of each rebar are compared against the project specifications to ensure they meet the required dimensions. For certain projects, chemical analysis of the steel rebars may be necessary to confirm their composition and strength. Samples are taken from different batches and sent to a lab for testing, with the results determining compliance with standards. Non-Destructive Testing (NDT) techniques are utilized to evaluate the internal integrity of the rebars without causing damage. Ultrasonic testing, magnetic particle inspection, and radiography are employed to detect hidden defects like cracks, voids, or inclusions. If welding is involved, the inspector checks the welds for proper penetration, alignment, and quality. This guarantees the strength and integrity of the joint. Throughout the inspection process, detailed records are maintained. These records include information about the inspections conducted, measurements taken, test results, and identified defects. They serve as evidence of compliance and can be referred to in case of disputes or future reference. Once the inspection is complete, a detailed report is prepared summarizing the findings. This report is shared with the project management team, engineers, and other relevant stakeholders. It highlights any non-compliance, defects, or areas that require attention. In conclusion, the on-site inspection of steel rebars is a comprehensive and systematic approach that ensures their quality, integrity, and compliance with project specifications and industry standards.
- Q: What is the impact of steel rebars on the overall cost of a construction project?
- Steel rebars have a significant impact on the overall cost of a construction project. Since rebars are essential for reinforcing concrete structures, their cost directly affects the expenses associated with the project. The quantity, quality, and market price of steel rebars contribute to the overall budget, making them a crucial factor to consider during project estimation and cost management.
- Q: What are the properties of steel rebars?
- Reinforcing bars, commonly known as steel rebars, play a vital role in reinforced concrete structures due to their essential properties. To begin with, the high tensile strength of steel rebars allows them to endure significant pull forces without fracturing. This characteristic is crucial as concrete has low tensile strength. By combining steel rebars with concrete, a composite material is formed that effectively withstands both tension and compression forces. Furthermore, steel rebars exhibit excellent ductility, which refers to their ability to deform under stress without breaking. This quality is particularly important in areas prone to earthquakes. The ductility of steel rebars enables them to absorb and redistribute energy during seismic activity, enhancing the overall resilience of the reinforced concrete structure. In addition, steel rebars establish a strong bond with concrete due to their ribbed or deformed surface, which increases the contact area between the two materials. This enhanced adhesion prevents slippage or separation when subjected to heavy loads. The bond strength ensures that the steel rebars and concrete work as a cohesive unit, improving the overall structural integrity. Moreover, steel rebars possess corrosion resistance, which is achieved through the use of epoxy or galvanized coatings. Since carbon steel is prone to rusting when exposed to moisture and oxygen, these protective layers prevent corrosion and maintain the longevity and durability of the reinforced concrete structure. Lastly, steel rebars are readily available and cost-effective. As steel is widely used in construction worldwide, rebars are easily accessible in various sizes and grades. The abundance of steel and efficient production processes make steel rebars a cost-effective solution for reinforcing concrete structures. In conclusion, steel rebars offer high tensile strength, excellent ductility, a strong bond with concrete, corrosion resistance, and availability at a reasonable cost. These properties make them an ideal choice for reinforcing concrete structures, ensuring their strength, durability, and resilience.
- Q: Can steel rebars be used in buildings with high architectural requirements?
- Yes, steel rebars can be used in buildings with high architectural requirements. Steel rebars are widely used in construction due to their strength, durability, and versatility. They provide structural integrity and reinforcement to concrete structures, making them suitable for a wide range of architectural designs and requirements. Steel rebars can be used in various architectural elements, such as beams, columns, walls, slabs, and foundations. They can be bent, shaped, and welded to meet specific architectural designs, allowing for intricate and complex structures. Additionally, they can be customized in terms of size, length, and spacing, ensuring that they meet the architectural requirements of the building. Moreover, steel rebars are resistant to fire, corrosion, and extreme weather conditions, making them suitable for buildings with high architectural requirements in terms of safety and durability. They provide a long-lasting solution, ensuring that the architectural vision and design can be preserved for years to come. In conclusion, steel rebars can definitely be used in buildings with high architectural requirements. Their strength, durability, versatility, and customization options make them an ideal choice for ensuring structural integrity while meeting the aesthetic and design requirements of the building.
- Q: What are the guidelines for handling and installing steel rebars in construction sites?
- The guidelines for handling and installing steel rebars in construction sites typically include the following: 1. Storage: Steel rebars should be stored on a flat and dry surface, preferably on elevated racks to prevent contact with the ground and avoid rusting or damage. 2. Transportation: Rebars should be moved using appropriate lifting equipment, such as cranes or forklifts, to prevent excessive bending or mishandling. 3. Inspection: Rebars should be inspected for any defects, such as bends, cracks, or excessive rust, before installation. Damaged rebars should not be used. 4. Cutting and bending: Rebars should be cut and bent using appropriate tools and equipment, following the specifications and dimensions provided in the construction plans. 5. Placement: Rebars should be placed accurately and securely within the concrete structures, ensuring proper alignment and spacing as per the design requirements. 6. Tying: Rebars should be securely tied together using wire or approved tying methods at the intersections to maintain the desired positions during concrete pouring. 7. Embedment: Rebars should be properly embedded within the concrete to ensure sufficient coverage, typically complying with the minimum concrete cover specified in the design. 8. Safety: Adequate personal protective equipment (PPE), such as gloves and safety boots, should be worn by workers during rebars handling and installation to prevent injuries. It is important to note that specific construction projects and local regulations may have additional guidelines or requirements for handling and installing steel rebars. Therefore, it is crucial to refer to the project specifications and consult with relevant experts or authorities for comprehensive guidelines.
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GB400 Deformed Steel Bars for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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