Hot Rolled Deformed Bars with HRB 400-500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
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 European, 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..
Label: to be specified by customer, generally, each bundle has 1-2 labels
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 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 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: What is the normal tolerance of Hot Rolled Mild Steel Angle Beams for Structures and for Buildings?
A3: Normally 3%-5%, but we can also produce the goods according to the customers' requests.
Images:
- Q:How do steel rebars affect the durability of a concrete structure?
- Steel rebars greatly enhance the durability of a concrete structure. By providing tensile strength to the concrete, rebars prevent cracking and improve resistance to external forces such as earthquakes and heavy loads. They also help in reinforcing the structure and preventing deterioration caused by corrosion. Overall, steel rebars play a vital role in enhancing the longevity and structural integrity of concrete constructions.
- Q:How do steel rebars contribute to the overall stability of a bridge deck?
- Steel rebars contribute to the overall stability of a bridge deck by providing reinforcement and increasing its strength and load-bearing capacity. They help to distribute the load evenly across the deck, preventing it from sagging or collapsing under heavy traffic or other external forces. The rebars also enhance the bridge's resistance to cracking, bending, and shearing, ensuring its long-term durability and structural integrity.
- Q:What are the different types of tests conducted on steel rebars for quality assurance?
- There are several types of tests conducted on steel rebars for quality assurance. Some common tests include tensile testing, bend testing, impact testing, hardness testing, and chemical composition analysis. These tests help ensure that the rebars meet the required mechanical properties, dimensional tolerances, and chemical composition standards, ensuring their quality and suitability for various construction applications.
- Q:What is the process of inspecting steel rebars for quality control?
- The process of inspecting steel rebars for quality control involves several steps. First, the rebars are visually inspected for any visible defects such as cracks, rust, or surface irregularities. Next, the rebars are measured to ensure they meet the required dimensions and tolerances. This includes checking their length, diameter, and weight. Additionally, rebars may undergo non-destructive testing techniques like ultrasonic testing or magnetic particle inspection to detect any internal flaws or discontinuities. Finally, samples may be taken from the batch of rebars and tested for mechanical properties such as tensile strength, yield strength, and elongation to verify their quality.
- Q:How do steel rebars affect the thermal conductivity of concrete?
- Steel rebars have a negligible effect on the thermal conductivity of concrete, as they conduct heat at a much higher rate than concrete.
- Q:How do steel rebars help in reducing construction time?
- Steel rebars contribute to the reduction of construction time in several ways. Firstly, they enhance the strength and durability of concrete structures, enabling builders to employ quicker construction techniques. This obviates the necessity for slower and more time-consuming methods as the rebars provide sufficient support for the structure's weight. Secondly, the reinforcement of concrete with steel rebars enhances the overall structural integrity of the building. Consequently, builders can employ thinner concrete sections without compromising the structure's strength. These thinner sections require less material and can be poured and cured more rapidly and easily, thus saving construction time. Thirdly, the installation of steel rebars is a speedy process due to their easy handling and installation characteristics. They can be conveniently cut and bent to fit the desired shape and size, facilitating efficient installation. Consequently, the requirement for complicated and time-consuming formwork is eliminated, resulting in a reduction in construction time. Fourthly, steel rebars offer design and construction flexibility, enabling the utilization of innovative and efficient building techniques. They can be utilized in a variety of applications, including beams, columns, and slabs, granting architects and engineers the freedom to design structures that can be rapidly and efficiently constructed. Lastly, steel rebars provide additional resistance to natural disasters such as seismic activity and extreme weather conditions. By reinforcing concrete with rebars, structures become more resilient, reducing the risk of damage and expediting the construction process. This is particularly crucial in areas that are prone to earthquakes or adverse weather conditions. In conclusion, steel rebars play a pivotal role in reducing construction time by providing strength, durability, flexibility, ease of installation, and the ability to reinforce concrete structures. These qualities facilitate faster construction methods and efficient use of materials.
- Q:What is the role of steel rebars in ensuring structural stability?
- Steel rebars play a crucial role in ensuring structural stability by providing reinforcement to concrete structures. They enhance the tensile strength of concrete, which is otherwise weak in tension. By absorbing and distributing stresses, rebars prevent cracks and structural failures, making the structure more durable and resistant to external forces such as earthquakes or heavy loads.
- Q:What is the typical weight per meter of a steel rebar?
- The typical weight per meter of a steel rebar can vary depending on its size and grade. However, as a general guideline, a standard mild steel rebar with a diameter of 10 millimeters (mm) usually weighs around 0.616 kilograms per meter (kg/m). For larger sizes, such as a 20 mm rebar, the weight per meter can increase to approximately 2.47 kg/m. It is important to note that these values are approximate and may vary slightly depending on the specific manufacturing standards and regional regulations.
- Q:How do steel rebars contribute to the overall energy efficiency of a building?
- Steel rebars contribute to the overall energy efficiency of a building by enhancing its structural integrity and reducing the need for excessive heating, cooling, and maintenance. The use of steel rebars in construction provides increased durability, which allows for longer building lifespan, reduced repairs, and lower energy consumption. Additionally, steel rebars can be recycled, reducing the environmental impact and energy required for construction materials.
- Q:How do steel rebars improve the structural integrity of concrete?
- Steel rebars improve the structural integrity of concrete in several ways. First and foremost, they enhance the tensile strength of concrete, which is otherwise weak in tension. Concrete has excellent compressive strength but lacks the ability to withstand pulling or stretching forces. By inserting steel rebars into the concrete, the tensile strength of the entire structure is significantly increased. The steel rebars act as reinforcement by distributing the stress and load across a wider area, preventing cracks and fractures from propagating through the concrete. They provide a strong bond between the concrete and the reinforcement, allowing the structure to bear heavy loads and resist bending, shearing, and other forces that can compromise its stability. Additionally, steel rebars help to control and mitigate the effects of shrinkage and thermal expansion and contraction that occur in concrete. These phenomena can often lead to cracking and structural damage. The steel rebars help to restrain the movement of the concrete, reducing the risk of cracks forming and ensuring the overall integrity of the structure. Furthermore, steel rebars increase the durability and longevity of concrete structures. They have high resistance to corrosion, which is especially important in environments with high moisture, chemicals, or saltwater exposure. The presence of steel rebars protects the concrete from deterioration and extends the lifespan of the structure. In summary, steel rebars play a crucial role in improving the structural integrity of concrete by enhancing its tensile strength, distributing stress and loads, preventing cracks, controlling shrinkage, resisting bending and shearing forces, and increasing durability. They provide a reliable and effective reinforcement system that ensures the stability and longevity of concrete structures.
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Hot Rolled Deformed Bars with HRB 400-500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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