Reinforcing Deformed Steel Bars with Grade HRB400-HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
Standard:
GB
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Black
Steel Grade:
HRB400
Thickness:
6-32mm
Length:
12m/pc
Net Weight:
2mt/bundle
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: Can you offer the third part inspection certificates ?
A3: Yes, we can apply third part inspection before shipping, such as SGS, BV, etc .
Images
- Q:What are the benefits of using stainless steel rebars?
- Using stainless steel rebars in construction projects offers several advantages. Firstly, they provide excellent resistance to corrosion, which is particularly crucial in environments with high humidity, coastal areas, or projects where the concrete will be exposed to water or chemicals. Unlike traditional carbon steel rebars, stainless steel rebars do not easily rust or corrode, ensuring the structure's long-term integrity and durability. Secondly, stainless steel rebars possess a higher tensile strength compared to carbon steel rebars. This means they can withstand greater forces and stresses without deforming or breaking. This makes them ideal for structures requiring a high load-bearing capacity, such as bridges, parking garages, and high-rise buildings. Moreover, stainless steel rebars have a low thermal expansion coefficient, meaning they do not significantly expand or contract with temperature changes. This property helps minimize cracking and structural damage caused by thermal stresses, ensuring the longevity and stability of the concrete structure. In addition to their mechanical properties, stainless steel rebars also offer aesthetic benefits. With their sleek and shiny appearance, they can enhance the visual appeal of architectural elements like exposed concrete walls or features in bridges and buildings. Lastly, stainless steel rebars are environmentally friendly as they are 100% recyclable, making them a sustainable choice for construction projects. By utilizing stainless steel rebars, builders and engineers can contribute to reducing the carbon footprint and promoting a greener construction industry. Overall, the advantages of using stainless steel rebars include superior corrosion resistance, high tensile strength, low thermal expansion, aesthetic appeal, and environmental sustainability. These benefits make stainless steel rebars the preferred choice for various construction applications, providing long-lasting and reliable reinforcement for concrete structures.
- Q:What are the safety precautions when handling steel rebars?
- To minimize the risk of accidents or injuries when handling steel rebars, it is crucial to adhere to several safety precautions. These precautions encompass: 1. Personal Protective Equipment (PPE): When handling steel rebars, it is essential to wear appropriate PPE. This includes steel-toe boots, gloves, safety glasses, and a hard hat. PPE serves as a protective measure against potential hazards like falling rebars or flying debris. 2. Lifting and Carrying Techniques: Due to their weight and difficulty in handling, steel rebars require the use of proper lifting techniques to prevent strain or injury. Instead of bending at the waist, individuals should bend at the knees and utilize their leg muscles to lift the rebar. Furthermore, avoiding overexertion and seeking assistance when handling heavy rebars is crucial. 3. Proper Storage: To prevent rebars from falling or rolling, it is necessary to store them securely and in an organized manner. Rebars should be stacked flat and not leaned against walls or other structures. Additionally, storing rebars away from high traffic areas helps avoid accidental collisions. 4. Sharp Edges: The sharp edges of steel rebars can cause cuts or puncture wounds. Therefore, handling rebars with caution and wearing gloves to protect the hands is vital. Moreover, storing and transporting rebars in a manner that minimizes the risk of contact with sharp edges is necessary. 5. Communication and Warning Signs: Communication with coworkers and the provision of warnings regarding potential hazards or activities involving rebars are important when working with steel rebars. Posting clear signage in work areas to alert others to the presence of rebars and the need for caution is also crucial. 6. Training and Supervision: Workers should receive adequate training on the safe handling and storage of steel rebars. Supervisors should closely monitor work areas to ensure adherence to safety protocols and provide guidance or corrective action as required. By adhering to these safety precautions, the risk of accidents or injuries when handling steel rebars can be significantly reduced. Prioritizing safety at all times is essential to establish a secure working environment.
- Q:How are steel rebars transported and stored on construction sites?
- Steel rebars are typically transported to construction sites using trucks or trailers. Once they arrive, rebars are unloaded and stored in an organized manner to ensure easy access and prevent damage. They are commonly stacked horizontally on racks or placed vertically in bundles, secured with wire or straps. Additionally, rebars should be stored on a clean, dry surface to avoid rusting and corrosion.
- Q:What is the role of steel rebars in load-bearing walls?
- Steel rebars are used in load-bearing walls to provide reinforcement and structural stability. They enhance the strength and durability of the walls, allowing them to bear heavy loads and resist bending or cracking. The rebars are embedded within the concrete, creating a reinforced concrete structure that can support the weight of the building and distribute the load evenly throughout the wall.
- Q:How are steel rebars affected by extreme weather conditions?
- Steel rebars can be affected by extreme weather conditions such as high temperatures, prolonged exposure to moisture, and freezing temperatures. These conditions can cause the rebars to expand, contract, rust, and ultimately weaken over time. To mitigate these effects, proper protective measures such as coating or galvanizing the rebars are often taken to ensure their durability and structural integrity.
- Q:How do steel rebars impact the overall flexibility of a structure?
- Steel rebars, also known as reinforcing bars, play a crucial role in enhancing the overall flexibility of a structure. These bars are typically used in reinforced concrete structures to provide tensile strength and improve the structural integrity of the building. The incorporation of steel rebars in concrete significantly increases the flexibility of a structure. Concrete itself is strong in compression but weak in tension. By integrating rebars, the structure becomes more capable of withstanding tensile forces and resisting bending or deformation caused by external loads or environmental factors. The rebars act as reinforcement by absorbing and distributing tensile forces throughout the structure, helping to prevent cracks and ensuring a more even distribution of stress. This is particularly important in areas prone to seismic activity or high wind loads, where structures need to be able to flex and absorb the energy exerted on them. Moreover, the presence of steel rebars also allows for the creation of thinner and lighter concrete sections. This contributes to the overall flexibility of the structure by reducing the dead load, making it more responsive and adaptable to different conditions. In summary, steel rebars greatly impact the overall flexibility of a structure by providing tensile strength, preventing cracks, distributing stress, and allowing for lighter and thinner concrete sections. By enhancing the structural integrity and resilience, the inclusion of rebars ensures that the building can withstand external forces while maintaining its stability and flexibility, ultimately contributing to its longevity and safety.
- Q:Do steel rebars have any specific markings or codes?
- Yes, steel rebars have specific markings and codes that indicate their properties and characteristics. These markings or codes are typically engraved or painted on the surface of the rebar and provide information about the manufacturer, grade, size, and type of the rebar. They are essential for identifying and ensuring the correct usage of rebars in construction projects.
- Q:What's the difference between earthquake resistant thread steel and common thread steel?
- The advantage of threaded steel is not a little at two, but a lot. Generally speaking, the anti-seismic thread steel ensures the seismic resistance of the reinforcing steel bar, so that the anti-seismic thread steel can be stable when the building is inclined or deformed, and does not break.
- Q:What are the different grades of steel rebars available?
- There are several different grades of steel rebars available in the market, each with specific characteristics and applications. The most commonly used grades include: 1. Grade 40: This is a low-strength rebar, suitable for general construction purposes where high tensile strength is not required. It is commonly used in residential buildings, sidewalks, and driveways. 2. Grade 60: This is a medium-strength rebar, offering higher tensile strength than Grade 40. It is widely used in commercial buildings, bridges, and infrastructure projects. Grade 60 rebar provides excellent reinforcement for heavy loads and structural stability. 3. Grade 75: This is a high-strength rebar, often used in challenging construction projects that require exceptional tensile strength. It is commonly utilized in high-rise buildings, parking garages, and industrial structures to ensure superior reinforcement and structural integrity. 4. Grade 80 and above: These are ultra-high-strength rebars designed for specialized applications where extreme load-bearing capacity is necessary. They are commonly used in heavy-duty infrastructure projects, such as dams, tunnels, and nuclear power plants, where the demand for strength is significantly higher. The choice of steel rebar grade depends on factors such as the specific construction project, load-bearing requirements, and environmental conditions. Engineers and architects evaluate these factors to determine the most suitable grade of steel rebar for a particular application, ensuring optimal performance and structural durability.
- Q:What are the common myths and misconceptions about steel rebars?
- There are several common myths and misconceptions about steel rebars that are important to address in order to have a better understanding of their properties and uses. One common myth is that steel rebars are easily susceptible to rust. While it is true that steel can rust, rebars are typically made with corrosion-resistant materials such as epoxy-coated or galvanized steel. These coatings provide a protective layer that helps prevent rusting, making rebars highly durable and long-lasting even in harsh environments. Another misconception is that larger rebars always provide stronger reinforcement. The size or diameter of a rebar does play a role in its strength, but it is not the only factor. The grade or quality of the steel used, as well as its proper placement within the concrete structure, are equally important. Engineers carefully calculate the required strength and spacing of rebars based on the specific load and structural requirements. Some people believe that steel rebars are only used in large-scale construction projects. However, rebars are commonly used in various construction applications, ranging from residential buildings to bridges and highways. Their versatility and strength make them an essential component in reinforcing concrete structures of all sizes. There is also a misconception that steel rebars increase the risk of electrical conductivity. While steel is a conductor of electricity, the presence of rebars in a concrete structure does not significantly increase the risk of electrical hazards. Concrete acts as an insulator, and rebars are typically encased within it, reducing the likelihood of contact with electrical currents. Lastly, there is a myth that steel rebars are expensive and unaffordable for most construction projects. In reality, the cost of rebars varies depending on factors such as the grade, size, and quantity required. There are various options available to suit different budgets and project needs. Additionally, the long lifespan and durability of steel rebars make them a cost-effective choice in the long run. In conclusion, it is important to dispel the myths and misconceptions surrounding steel rebars. Understanding their corrosion resistance, the role of size and placement, their versatility, the electrical conductivity risks, and their cost-effectiveness will help in making informed decisions when it comes to reinforcing concrete structures.
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Reinforcing Deformed Steel Bars with Grade HRB400-HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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