Deformed Bar High Quality Hot Rolled 6MM-50MM
- 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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OKorder Financial Service
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Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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 Steel I-Beams 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: How do we guarantee the quality of our products?
A1: 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.
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.
Q3: What makes stainless steel stainless?
A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q: What are the common mistakes to avoid while using steel rebars?
- When using steel rebars, there are several common mistakes that should be avoided to ensure the structural integrity and safety of the construction project. Some of these mistakes include: 1. Insufficient cover: Failing to provide enough concrete cover over the rebars can lead to corrosion and reduced strength. It is important to follow the design specifications and ensure the required cover is maintained throughout the construction process. 2. Improper placement: Incorrectly placing the rebars can result in weak areas within the structure. It is crucial to follow the approved drawings and ensure proper spacing, alignment, and lap lengths are maintained. 3. Inadequate anchoring: Insufficient anchoring of the rebars can lead to inadequate load transfer and structural failure. It is essential to properly anchor the rebars by providing adequate hooks or bends at the ends and using appropriate tie wire or mechanical connectors. 4. Poor welding practices: If welding is required to connect rebars, it is essential to follow proper welding procedures and ensure high-quality welds. Inadequate or improper welding can weaken the rebars and compromise the structural strength. 5. Neglecting corrosion protection: Steel rebars are susceptible to corrosion, especially in humid or marine environments. Neglecting to provide proper corrosion protection, such as epoxy coating or corrosion inhibitors, can result in premature deterioration and reduced structural performance. 6. Overlapping rebars incorrectly: Overlapping rebars is necessary to ensure the transfer of forces between adjacent sections. However, overlapping them incorrectly by either insufficient length or improper alignment can compromise the structural integrity. 7. Lack of inspection and quality control: Failing to conduct regular inspections and quality control checks during the construction process can lead to unnoticed mistakes or deviations from the design. It is crucial to have qualified personnel inspect the rebars and ensure compliance with the specifications and industry standards. By avoiding these common mistakes and adhering to best practices, the structural integrity and safety of the construction project can be upheld. It is essential to consult with structural engineers, follow approved drawings and specifications, and ensure proper installation and quality control to prevent any potential issues.
- Q: How do steel rebars improve the durability of concrete structures?
- Steel rebars improve the durability of concrete structures in several ways. Firstly, steel rebars act as reinforcement in concrete, providing added strength and stability to the structure. When combined with concrete, the high tensile strength of steel rebars helps to resist cracking and prevent the structure from collapsing under heavy loads or seismic activities. Secondly, steel rebars help to control the formation and propagation of cracks in concrete structures. Concrete is strong in compression but weak in tension, meaning it tends to crack when subjected to tensile forces. By placing steel rebars strategically within the concrete, these cracks are minimized and prevented from spreading, thus enhancing the overall durability of the structure. Furthermore, steel rebars help to improve the resistance of concrete structures against corrosion. Concrete is highly alkaline, which forms a protective layer around the steel rebars, preventing them from rusting. This corrosion resistance ensures that the rebars maintain their structural integrity over time, reducing the risk of deterioration and enhancing the longevity of the concrete structure. In addition, steel rebars also enhance the fire resistance of concrete structures. Due to their high melting point, steel rebars can withstand high temperatures, thereby preventing the concrete from losing its structural integrity during a fire. This added fire resistance ensures that the concrete structure remains stable and safe in the event of a fire, further enhancing its durability. Overall, the inclusion of steel rebars in concrete structures significantly improves their durability by providing added strength, controlling cracks, enhancing corrosion resistance, and increasing fire resistance. These benefits contribute to the longevity and safety of concrete structures, making them more reliable and sustainable in the long run.
- Q: How are steel rebars stored and transported on-site?
- Steel rebars are typically stored on-site in bundles or stacks, either horizontally or vertically, with adequate spacing between each bundle to ensure stability and easy access. To transport them, rebars are usually loaded onto trucks using cranes or forklifts, secured with straps or chains to prevent movement or falling during transportation. It is important to handle and store rebars properly to prevent damage or accidents and ensure their quality and structural integrity.
- Q: What is the process of straightening steel rebars?
- The process of straightening steel rebars involves using specialized machinery or tools to remove any bends or deformations in the rebars. This typically includes clamping the rebars in a straightening machine or using hydraulic forces to gently bend them back into their original shape. The rebars are carefully aligned and straightened to meet the required specifications, ensuring their structural integrity and effectiveness in construction projects.
- Q: Why does the steel thread have longitudinal ribs?
- Thread steel is inaccurate, commonly known as standard "deformed steel bars"". Hot rolled ribbed steel production in China, the surface usually with two longitudinal ribs and transverse ribs along the length direction of the uniform distribution, when the longitudinal section transverse rib crescent, and does not intersect with the longitudinal ribs, called crescent rib reinforced; when the longitudinal section is equal to the height, and with the intersection of longitudinal ribs, said for high ribbed bar. The second and third grade ribbed bars commonly used in engineering usually adopt the crescent rib surface shape.Similar to the screw thread, our country did not produce, it is said that there is such a shape abroad.If it is necessary to say that it is possible to strengthen the tensile and shear strength, because after all, the longitudinal rib expands a little of the cross section of the steel bar. But this is not the purpose of rolling longitudinal rib, the purpose of longitudinal rib is to improve the mechanical performance of the transverse rib.
- Q: Are there any environmental concerns associated with steel rebar production?
- Yes, there are several environmental concerns associated with steel rebar production. Firstly, the extraction and processing of iron ore, which is used to produce steel, can lead to deforestation, habitat destruction, and soil erosion. Additionally, the production process emits significant amounts of greenhouse gases, contributing to climate change. Steel rebar production also requires large amounts of water, leading to potential water scarcity issues. Furthermore, the disposal of waste materials and byproducts from steel production can contaminate soil and water bodies, posing risks to ecosystems and human health. Therefore, it is important to consider and address these environmental concerns in the steel rebar production process.
- Q: How are steel rebars different from steel mesh?
- Steel rebars and steel mesh are both reinforcement materials used in construction, but they differ in their shape and application. Steel rebars are long, slender bars with a round or deformed surface, primarily used to reinforce concrete structures like beams, columns, and walls. They provide tensile strength and prevent cracking or failure in concrete elements. On the other hand, steel mesh consists of interconnected wires forming a grid-like pattern and is commonly used to reinforce concrete slabs, pavements, and foundations. Mesh provides uniform support and distributes loads evenly, enhancing the overall strength and durability of the concrete. So, while both serve the purpose of reinforcement, rebars are ideal for vertical structures, whereas mesh is more suitable for horizontal applications.
- Q: How are steel rebars stored on construction sites?
- Steel rebars are typically stored on construction sites in an organized manner, usually in designated areas called rebar cages or racks. These storage facilities are designed to keep the rebars off the ground and prevent them from getting damaged or rusted. The rebars are often sorted by size and type, and are secured in bundles or tied together using wire or straps. Additionally, they are stored in a way that allows easy access and efficient retrieval when needed for construction purposes.
- Q: What is the difference between rebar and round steel?
- The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished hot rolled steel bar is delivered in hot rolling forming, normalizing or hot rolling state
- Q: What are the guidelines for proper anchoring of steel rebars in concrete structures?
- The guidelines for proper anchoring of steel rebars in concrete structures involve several key steps. Firstly, the rebars should be placed at the correct depth within the concrete to ensure sufficient bonding and structural integrity. It is important to clean the rebars thoroughly before installation to remove any dirt or debris that may hinder the bond. Additionally, the rebars should be positioned at the appropriate spacing and secured in place using rebar chairs or supports to maintain their correct position during the concrete pouring process. Adequate concrete cover should be provided around the rebars to protect them from corrosion and fire damage. Lastly, proper curing of the concrete is essential to allow the rebars to effectively bond and provide the necessary strength to the structure. Overall, following these guidelines ensures the reliable anchoring of steel rebars and enhances the overall durability and safety of the concrete structure.
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Deformed Bar High Quality Hot Rolled 6MM-50MM
- 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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