Reinforcing Deformed Steel Bars in Grade HRB400 with Best Quality
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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OKorder Financial Service
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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 we can delivery the goods ?
A3: We have a mill with 20000mts of capacity per month. We can delivery the goods within in one month ,as long as your order quantity less than 20000mts
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 do steel rebars contribute to the overall ductility of a structure?
- Steel rebars contribute to the overall ductility of a structure by providing reinforcement and enhancing its ability to withstand deformations and absorb energy without failure. The addition of rebars in concrete structures improves its tensile strength, as concrete alone is weak in tension. This combination allows the structure to flex and bend under loading, reducing the risk of brittle failure and increasing its overall resilience.
- Q:Can steel rebars be welded to other steel components?
- Steel rebars have the capability to be welded to other steel components. In construction projects, welding serves as a common method for connecting steel rebars to various steel structures or components. This procedure involves heating the rebars and steel components to a high temperature, causing them to melt. Following this, they are allowed to cool and solidify, resulting in a strong and durable bond. Welding steel rebars to other steel components is widely accepted and contributes to the overall integrity and stability of the construction. By ensuring a dependable connection, it enables the rebars and steel components to effectively withstand external forces and loads. However, it is crucial to employ proper welding techniques and adhere to relevant industry standards and guidelines to guarantee a successful and safe welding process.
- Q:Can steel rebars be used in water storage tanks?
- Yes, steel rebars can be used in water storage tanks. Steel rebars provide structural strength and reinforcement to the tanks, making them suitable for holding and retaining water.
- Q:Are steel rebars suitable for use in industrial facilities?
- Yes, steel rebars are suitable for use in industrial facilities. They provide excellent strength and durability, making them ideal for reinforcing concrete structures in such facilities. Steel rebars can withstand heavy loads and extreme conditions, ensuring the safety and long-term stability of industrial buildings and infrastructure.
- Q:What is the average lifespan of steel rebars in marine environments?
- The average lifespan of steel rebars in marine environments can vary depending on several factors. However, in general, steel rebars have a lifespan of around 50 to 100 years in marine environments. This estimate takes into account the corrosive nature of saltwater, which can accelerate the deterioration of steel structures. Additionally, factors such as the quality of the steel, the design and construction of the marine structure, and maintenance practices can also affect the lifespan of steel rebars. Regular inspections, protective coatings, and proper maintenance can help extend the life of steel rebars in marine environments.
- Q:How do steel rebars affect the overall structural stability during construction?
- The overall structural stability during construction is greatly influenced by steel rebars. These reinforcement bars are typically embedded within concrete structures to provide additional strength and support. Their presence helps to distribute the load evenly across the entire structure, minimizing the risk of failure and increasing stability. One of the main advantages of steel rebars is their high tensile strength. While concrete is strong in compression, it is weak in tension. Steel rebars compensate for this weakness by resisting tensile forces. By reinforcing the concrete with steel rebars, the structure becomes more resistant to cracking and deformation, ensuring its durability and longevity. Furthermore, the use of steel rebars improves the ductility of the structure. Ductility refers to a material's ability to undergo deformation without breaking. During earthquakes or other external forces, steel rebars allow the structure to flex and absorb energy, reducing the risk of catastrophic failure. This ultimately enhances the stability and safety of the construction. In addition, steel rebars enhance the structural integrity of the construction by preventing the propagation of cracks. When cracks occur in the concrete, steel rebars provide a path for stress transfer, preventing the cracks from spreading and compromising the overall stability of the structure. Moreover, steel rebars contribute to the structural stability by reinforcing critical areas of the construction, such as columns, beams, and slabs. These elements experience significant loads and stresses, and the presence of steel rebars ensures their ability to withstand these forces, preventing collapse or structural failure. To summarize, steel rebars have a significant impact on the overall structural stability during construction. They enhance the tensile strength of concrete, improve ductility, prevent crack propagation, and reinforce critical areas of the structure. Their incorporation ensures that the construction can withstand various loads, external forces, and environmental conditions, providing a robust and stable building that meets safety standards and regulations.
- Q:Can steel rebars be bent without compromising their strength?
- Steel rebars possess the ability to be bent while still maintaining their strength. Their high tensile strength enables them to endure the forces of bending and stretching without experiencing any breakage or loss of structural integrity. The process of bending involves the application of a regulated amount of force to the rebar, causing the material to deform and acquire a new shape. However, it is essential to adhere to the recommended limits and guidelines provided by the manufacturer or industry standards when carrying out the bending procedure. Exceeding the specified limits may result in the development of microcracks or other defects that can compromise the strength of the rebar. Therefore, it is of utmost importance to employ proper bending techniques and utilize suitable equipment to ensure that the steel rebars retain their strength even after being bent.
- Q:What are the guidelines for proper anchoring of steel rebars in concrete structures?
- Proper anchoring of steel rebars in concrete structures is crucial for ensuring the structural integrity and stability of the construction. The guidelines for proper anchoring of steel rebars are as follows: 1. Embedment length: The rebars should be embedded in the concrete for a certain length to provide sufficient bond strength. The required embedment length is determined by the design specifications and depends on factors such as rebar diameter, concrete strength, and load conditions. 2. Lap length: When connecting two rebars, a minimum lap length is required to ensure continuity of reinforcement. The lap length is determined based on the rebar diameter, concrete strength, and structural design requirements. 3. Concrete cover: Adequate concrete cover should be provided to protect the rebars from corrosion and fire. The concrete cover is the distance between the outer surface of the rebars and the nearest concrete surface. It depends on factors such as the environment, fire resistance requirements, and durability considerations. 4. Spacing and arrangement: The rebars should be spaced properly and arranged as per the structural design requirements. The spacing between rebars depends on the structural load and design specifications. Improper spacing can lead to inadequate reinforcement and compromise the structural strength. 5. Proper positioning: The rebars should be positioned accurately as per the design drawings and specifications. They should be placed in the concrete formwork before pouring the concrete to achieve the desired structural behavior. Improper positioning may lead to rebar misalignment or inadequate concrete cover. 6. Mechanical anchorage: Mechanical anchorage devices such as rebar couplers, anchor bolts, or hooks can be used to enhance the anchoring of rebars in concrete structures. These devices provide additional reinforcement and prevent slippage or pull-out of the rebars under load. 7. Quality control: Regular inspection and quality control measures should be implemented to ensure adherence to the anchoring guidelines. This includes checking rebar dimensions and spacing, embedment depth, concrete cover, and ensuring proper installation techniques. It is important to note that these guidelines may vary depending on the specific project requirements, local building codes, and design specifications. Therefore, it is essential to consult the structural engineer or refer to the relevant building codes and standards for the specific guidelines applicable to each construction project.
- Q:Laiwu steel thread steel trademark color blue and red Qu Qu
- In the purchase of rebar, first of all, from the surface quality, the surface of normal steel without cracks, scarring and folding. The surface shall have a bump, but shall not exceed the height of the cross rib, and shall also have a quality grade mark on the surface of the steel bar. Inferior thread steel due to rolling with adobe, its surface quality is poor, often with burrs, burrs, cracks, scarring, some distortions obvious, end of irregular, and even cracks. At the same time, some small mill due to heating temperature and rolling speed is not enough, the surface color is red, uneven color. Second, from the appearance of size, you can use vernier caliper to measure whether the actual size is consistent with the marked size (general thread steel rolled with specifications), if there is a difference in the standard deviation (such as? 16 the standard diameter of the thread steel is 15.4 + 0.4mm, while the quality of the false thread steel is mostly about 13mm. Third, regular steel at the factory, mostly large bundles of packaging, bundles of steel are linked with the physical corresponding metal signs, indicating the factory name, steel number, batch number, specifications and inspection code. But shoddy steel due to poor production conditions, no large hoisting equipment, mostly small (about ten strapping) package or in bulk, no metal signs, no guarantee of quality.
- Q:Are steel rebars suitable for reinforcement in residential buildings?
- Yes, steel rebars are suitable for reinforcement in residential buildings. They provide strength and durability to the structure, making it more resistant to various forces such as earthquakes and heavy loads. Steel rebars can effectively reinforce concrete, ensuring the stability and safety of residential buildings.
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Reinforcing Deformed Steel Bars in Grade HRB400 with Best Quality
- 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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