Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB
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Product Description:
OKorder is offering high quality Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB 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
Product Advantages:
OKorder's Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
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: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
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: How soon can we receive the product after purchase?
A3: 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 is the effect of carbon content on the strength of steel rebars?
- The carbon content in steel rebars has a significant effect on their strength. Generally, a higher carbon content leads to increased strength and hardness in the steel rebars. This is because carbon atoms form strong chemical bonds with iron atoms in the steel matrix, resulting in a more rigid and durable material. When carbon is added to the steel, it forms carbides, which are crystalline compounds that make the steel harder and stronger. The presence of these carbides increases the resistance of the steel rebars to deformation, making them suitable for applications that require high strength, such as in construction and infrastructure projects. However, it is important to note that there is a limit to how much carbon can be added to the steel rebars to improve their strength. Excessive carbon content can make the steel brittle and susceptible to cracking under stress. This is because the excessive carbon atoms can form large carbide clusters, weakening the overall structure of the steel rebars. Therefore, the carbon content in steel rebars needs to be carefully balanced to achieve the desired strength and toughness. Depending on the specific application and requirements, different carbon levels can be used to optimize the strength and performance of the steel rebars. In conclusion, the carbon content has a direct impact on the strength of steel rebars. Increasing the carbon content can improve their strength and hardness, but excessive carbon levels can lead to brittleness. Thus, finding the right balance of carbon content is crucial to ensure the optimal strength and performance of steel rebars in various construction applications.
- Q:What are the different types of coatings available for steel rebars?
- There are several types of coatings available for steel rebars, including epoxy, galvanized, and black oxide coatings. Each type of coating provides different levels of protection against corrosion and helps to extend the lifespan of the rebars in various environments.
- Q:How are steel rebars inspected for quality control?
- Steel rebars are inspected for quality control through several methods. Visual inspections are conducted to check for any visible defects such as cracks, surface irregularities, or improper dimensions. Non-destructive testing techniques like ultrasonic testing and magnetic particle inspection are used to detect internal flaws or discontinuities. Rebars are also subjected to destructive testing, including tensile and bend tests, to assess their mechanical properties and ensure they meet the required standards. Additionally, chemical composition analysis is performed to verify the steel's composition and adherence to specifications.
- Q:How is steel made for rebar production?
- Steel for rebar production is made through a process called steelmaking. This involves melting iron ore in a blast furnace and adding various alloys and carbon to create the desired steel composition. The molten steel is then cast into billets, which are subsequently rolled into the required rebar shape and size.
- Q:Can steel rebars be used in corrosive chemical environments?
- Steel rebars can be used in corrosive chemical environments, but their performance and durability may be compromised. Steel is susceptible to corrosion when exposed to certain chemicals, especially those that are acidic or contain chlorides. In such corrosive environments, the rebars can undergo corrosion, leading to structural damage and reduced load-bearing capacity. To mitigate the corrosion risk, various measures can be taken. One common approach is to coat the rebars with a protective layer, such as epoxy or zinc coating, to create a barrier between the steel and the corrosive environment. Additionally, using stainless steel rebars or other corrosion-resistant alloys can provide better resistance against chemical corrosion. It is crucial to consider the specific chemicals present in the environment and consult with corrosion engineers and experts to determine the appropriate measures for using steel rebars in corrosive chemical environments. Proper maintenance and regular inspections are also necessary to monitor any signs of corrosion and take prompt corrective action to ensure the structural integrity and safety of the reinforced concrete structures.
- Q:What are the different types of coatings available for steel rebars to prevent corrosion?
- There are several types of coatings available for steel rebars to prevent corrosion. These include epoxy coatings, zinc coatings, galvanized coatings, and polyethylene coatings. Each coating has its own unique properties and level of protection against corrosion.
- Q:How to recognize high quality thread steel
- When we buy rebar, we should not only look at the size of the thread steel, but also use the vernier caliper to measure whether the size meets the requirements. A lot of times, inferior thread steel through the flat flat way to deceive the buyer's vision, so from the steel reinforcement to observe the end of the steel is flat oval, meet the requirements of the thread steel is basically round.
- 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:How do steel rebars resist corrosion?
- Steel rebars resist corrosion due to the presence of a protective oxide layer that forms on their surface when exposed to oxygen and moisture. This oxide layer acts as a barrier, preventing further contact between the steel and corrosive agents, thus extending the rebars' lifespan and durability.
- Q:What are the guidelines for protecting steel rebars during concrete pouring?
- Protecting steel rebars during concrete pouring is crucial to ensure the structural integrity and longevity of reinforced concrete structures. The following guidelines should be followed: 1. Clean the rebars: Before pouring concrete, it is essential to clean the rebars thoroughly to remove any dirt, rust, or other contaminants. This can be done using wire brushes or power tools to achieve a clean and smooth surface. 2. Rust prevention: Apply an appropriate rust inhibitor or anti-corrosion coating to the rebars after cleaning. This will help protect the steel from corrosion caused by moisture or chemicals present in the concrete. 3. Proper placement: Ensure that the rebars are placed at the correct depth and spacing as specified in the structural drawings or design codes. This will provide the necessary reinforcement and structural strength to the concrete. 4. Support and alignment: Use proper supports, such as chairs or spacer blocks, to maintain the correct alignment and position of the rebars during the concrete pour. This will prevent any displacement or movement of the rebars. 5. Tie the rebars securely: Use steel wire or rebar ties to secure the rebars together at intersections and overlap areas. This will ensure that the rebars remain in place and maintain the desired structural configuration. 6. Avoid contact with the ground: Prevent the rebars from coming into direct contact with the ground during the pouring process. This can be achieved by using plastic or concrete chairs to elevate the rebars above the ground surface. 7. Use plastic caps: Cover the exposed ends of the rebars with plastic caps to protect them from moisture, dirt, or other contaminants while the concrete cures. 8. Adequate concrete cover: Ensure that the rebars are adequately covered by the concrete. The concrete cover is the distance between the outer surface of the rebars and the nearest outer surface of the concrete. This cover protects the rebars from external elements and prevents corrosion. 9. Monitor concrete placement: During concrete pouring, take precautions to avoid displacing or damaging the rebars. This can be achieved by using proper pouring techniques, such as using a tremie pipe or a concrete pump, to minimize the impact on the rebars. 10. Curing and protection: After the concrete is poured, it is crucial to properly cure and protect it. This includes covering the concrete with wet burlap or plastic sheeting to maintain moisture levels and prevent premature drying, cracking, or shrinkage. Adequate curing will also help in protecting the rebars from corrosion. By following these guidelines, the rebars can be effectively protected during concrete pouring, ensuring the durability and strength of the reinforced concrete structure.
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Deformed Bar 6MM-50MM BS4449 B500B Or GB HRB
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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