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: What are the different types of steel rebars used in elevated highways?
- There are several types of steel rebars commonly used in elevated highways due to their strength and durability. These rebars are designed to provide structural support and reinforcement to the concrete structures in highways. 1. Mild Steel Rebars: Also known as black steel rebars, these are the most commonly used type of rebars in elevated highways. They are made from carbon steel and have a relatively low tensile strength. Mild steel rebars are cost-effective and provide adequate reinforcement for most highway structures. 2. High-strength Steel Rebars: These rebars are manufactured using high-strength low-alloy (HSLA) steels, which have higher tensile strength compared to mild steel rebars. They are used in areas of the highway that require additional strength and load-bearing capacity. High-strength steel rebars are especially beneficial in bridges and elevated structures where heavy traffic or seismic activity is expected. 3. Epoxy-coated Rebars: To enhance the corrosion resistance of the rebars, epoxy coating is applied to the surface of the steel. Epoxy-coated rebars are commonly used in areas with high exposure to moisture, such as coastal highways or regions with high humidity. The epoxy coating acts as a barrier between the steel and the external environment, preventing corrosion and extending the lifespan of the rebars. 4. Galvanized Rebars: Similar to epoxy-coated rebars, galvanized rebars are also corrosion-resistant. However, instead of an epoxy coating, they are coated with a layer of zinc. Galvanized rebars are known for their excellent resistance to corrosion caused by exposure to harsh chemicals or saline environments. They are commonly used in coastal areas or regions with high levels of pollution. 5. Stainless Steel Rebars: These rebars are made from stainless steel, which is a corrosion-resistant alloy containing chromium and nickel. Stainless steel rebars provide excellent resistance to corrosion, making them ideal for use in highly corrosive environments, such as highways near chemical plants or industrial areas. Although more expensive than other types of rebars, stainless steel rebars offer long-term durability and require minimal maintenance. It is important to consider the specific requirements and environmental conditions of the elevated highway project when selecting the appropriate type of steel rebars. Consulting with structural engineers and following local building codes and regulations is essential to ensure the safety and longevity of the highway structures.
- Q: How do steel rebars affect the flexural strength of reinforced concrete elements?
- Steel rebars have a significant impact on the flexural strength of reinforced concrete elements. The presence of rebars in concrete elements enhances their ability to resist bending or flexural forces. Rebars, which are made of high-strength steel, are embedded within the concrete to provide tensile strength. Concrete is a strong material in compression but weak in tension. By incorporating rebars, the resulting composite material benefits from the high compressive strength of concrete and the excellent tensile strength of steel. When a flexural load is applied to a reinforced concrete element, such as a beam or a slab, the rebars distribute the load across the section, effectively resisting the tendency of the concrete to crack and fail under tension. The rebars act as reinforcements, resisting the tensile forces that arise due to bending, thereby increasing the flexural strength of the structure. The size, spacing, and arrangement of the rebars play a crucial role in determining the flexural strength of reinforced concrete elements. The proper design and placement of rebars ensure that they are optimally positioned to resist the anticipated bending forces. This requires careful consideration of factors such as the span of the element, the anticipated loads, and the desired level of strength. Furthermore, the bonding between the rebars and the concrete is essential for transferring bending stresses. Adequate concrete cover over the rebars protects them from corrosion, ensuring their durability and maintaining the integrity of the structure. Corrosion of steel rebars can weaken their bond with the surrounding concrete, compromising the flexural strength of the reinforced element. In summary, steel rebars significantly enhance the flexural strength of reinforced concrete elements by providing the necessary tensile strength to resist bending forces. Proper design, placement, and bonding of rebars are crucial to ensuring the structural integrity and durability of reinforced concrete structures.
- Q: Are there any limitations on the use of steel rebars in flexural members?
- Yes, there are limitations on the use of steel rebars in flexural members. The size, placement, and quantity of rebars used must comply with the design codes and specifications governing the structural elements. Additionally, factors such as the load capacity, bending strength, and deflection requirements must be considered to ensure the safe and effective use of steel rebars in flexural members.
- Q: Can steel rebars be used in reinforced masonry?
- Certainly! Reinforced masonry allows for the incorporation of steel rebars, which significantly bolster the strength and resilience of masonry walls, columns, and other structural elements. With their exceptional tensile strength and capacity to endure bending and stretching forces, steel rebars serve as a popular choice for reinforcement in reinforced masonry. Typically, these rebars are embedded within the masonry units or mortar, resulting in a composite structure that can effectively withstand compressive, tensile, and shear forces. By employing steel rebars in reinforced masonry, the structural integrity, longevity, and overall performance of the masonry construction are greatly enhanced. This technique is widely embraced and practiced in the industry.
- Q: What is the role of steel rebars in preventing concrete spalling?
- The role of steel rebars in preventing concrete spalling is to provide reinforcement and strength to the concrete structure. When concrete is reinforced with steel rebars, it can better resist the forces that cause spalling such as expansion and contraction due to temperature changes, moisture penetration, and structural loads. The rebars help distribute stress and prevent cracking, which in turn reduces the likelihood of spalling occurring.
- Q: How do steel rebars contribute to the crack-resistance of concrete?
- Steel rebars, also known as reinforcement bars, play a crucial role in enhancing the crack-resistance of concrete structures. When embedded within concrete, rebars act as a reinforcement system that helps to distribute and resist tensile forces. This is important because concrete is known for its high compressive strength but relatively low tensile strength. The primary way in which rebars contribute to crack-resistance is by absorbing tensile stresses that would otherwise cause cracks to develop in the concrete. As the load is applied to the structure, the rebars bear the tension forces, preventing the concrete from undergoing excessive tensile stress and cracking. This is particularly significant in areas where the structure is subjected to bending or flexing forces. Moreover, the bond between the steel rebars and the surrounding concrete, known as the bond strength, also plays a role in crack-resistance. The presence of rebars enhances this bond, preventing the concrete from separating or debonding under stress. This ensures that the load is effectively transferred between the rebars and the concrete, further reducing the likelihood of cracks. Furthermore, steel rebars can help control crack widths in concrete. When tensile forces are applied, the rebars act as a restraint, limiting the width of any cracks that may form. This prevents the cracks from widening and becoming more severe, preserving the overall integrity and durability of the structure. In summary, steel rebars significantly contribute to the crack-resistance of concrete by absorbing tensile stresses, enhancing the bond strength, and controlling crack widths. Their presence within the concrete structure helps to distribute and resist forces, preventing cracks from forming and ensuring the longevity and safety of the construction.
- Q: Can steel rebars be recycled after the demolition of a structure?
- Yes, steel rebars can be recycled after the demolition of a structure. Steel is one of the most commonly recycled materials in the world, and rebars are no exception. During the demolition process, rebars are typically removed from the structure and separated from other materials such as concrete. The rebars are then collected and sent to a recycling facility where they are processed and melted down. The melted steel can be used to create new rebars or other steel products, reducing the need for virgin steel production and conserving valuable resources. Recycling rebars not only helps to reduce waste and minimize environmental impact but also contributes to the circular economy by promoting the reuse of materials.
- Q: What is the process of painting steel rebars?
- The process of painting steel rebars typically involves several steps. First, the rebars must be cleaned thoroughly to remove any dirt, grease, or rust. This can be done using various methods such as sandblasting, wire brushing, or chemical cleaning. After cleaning, a primer is applied to the rebars to promote adhesion and corrosion resistance. The rebars are then left to dry before the final coating of paint is applied. This final coat can be either a solvent-based or water-based paint, depending on the desired finish and environmental considerations. The rebars are left to dry and cure, and once the paint is fully dried, they are ready to be used in construction projects.
- Q: How are steel rebars used in the construction of chemical processing plants?
- To reinforce and strengthen chemical processing plants, steel rebars are commonly employed. These rebars, also known as reinforcing bars, are typically crafted from carbon steel and are utilized to fortify various concrete structures like foundations, walls, columns, and beams. Considering the handling of hazardous and corrosive substances in chemical processing plants, the infrastructure is subjected to significant stress. Therefore, the utilization of steel rebars is of utmost importance as it safeguards the integrity of the structures and mitigates the risk of collapse or failure. When constructing chemical processing plants, it is customary to embed steel rebars within the concrete to create a reinforced concrete structure. This amalgamation of concrete and steel rebars forms a composite material that possesses augmented tensile strength, enabling it to endure the heavy loads, vibrations, and extreme temperature fluctuations frequently encountered in chemical plants. Furthermore, the deployment of steel rebars aids in averting cracks and structural deformations caused by shrinkage, settling, or external forces. This is particularly critical in chemical processing plants, where maintaining a secure and stable environment is imperative for employee safety and the plant's operational integrity. Moreover, steel rebars exhibit exceptional resistance to corrosion, a crucial attribute in chemical processing plants where exposure to corrosive chemicals and high humidity levels is prevalent. By serving as a protective barrier for the underlying concrete, steel rebars effectively prevent deterioration induced by corrosion, thereby prolonging the lifespan of the structures and reducing maintenance expenses. Overall, the presence of steel rebars assumes a vital role in the construction of chemical processing plants as they ensure structural stability, durability, and corrosion resistance, all of which are essential for the safe and efficient functioning of these facilities.
- Q: Can steel rebars be used in structures with high sulfate content in soil or water?
- Steel rebars should generally not be used in structures with high sulfate content in soil or water. Sulfates can react with the steel and cause it to corrode rapidly, leading to structural damage and potential failure. To mitigate this risk, alternative materials such as stainless steel or fiber-reinforced polymer rebars may be recommended for use in such environments.
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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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