Hot Rolled Deformed Bar ou Reinforcement Bar ASTM A615 6mm-50mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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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: 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: What makes stainless steel stainless?
A2: 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.
Q3: Can stainless steel rust?
A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q:What is the tensile strength of different grades of steel rebars?
- The tensile strength of different grades of steel rebars can vary, but generally, it ranges from 400 to 600 megapascals (MPa).
- Q:Can steel rebars be used in the construction of schools and universities?
- Yes, steel rebars can be used in the construction of schools and universities. Steel rebars are commonly used as reinforcement in concrete structures to provide strength and durability. They help to enhance the structural integrity of the buildings, ensuring they can withstand the loads and stresses imposed on them. Steel rebars are widely used in various construction projects, including schools and universities, to ensure the safety and longevity of the structures.
- Q:What are the different types of corrosion protection coatings for steel rebars?
- There are several types of corrosion protection coatings available for steel rebars, each offering different levels of protection and durability. 1. Epoxy Coatings: Epoxy coatings are one of the most common and effective corrosion protection coatings for steel rebars. They provide a thick, durable barrier that prevents moisture and corrosive substances from reaching the steel surface. Epoxy coatings can be applied by spray, brush, or dip methods and provide excellent adhesion and resistance to chemicals. 2. Zinc Coatings: Zinc coatings, such as hot-dip galvanization or zinc-rich paint, are another popular choice for corrosion protection. These coatings create a sacrificial barrier, where the zinc corrodes instead of the steel rebar. Zinc coatings are highly effective in preventing corrosion, even in harsh environments, and can be applied in various thicknesses depending on the level of protection required. 3. Fusion-Bonded Epoxy (FBE) Coatings: FBE coatings are commonly used in underground or submerged applications. These coatings are applied by heating the steel rebar, which causes the epoxy powder to melt and bond to the surface. FBE coatings provide excellent corrosion resistance and are resistant to chemicals, abrasion, and impact. 4. Polymer Coatings: Polymer coatings, such as polyurethane or polyethylene, are often used in high-temperature environments or where chemical resistance is required. These coatings provide a protective barrier that is resistant to UV radiation, abrasion, and chemicals. Polymer coatings can be applied by spray or dip methods and offer good adhesion to the steel surface. 5. Concrete Coatings: In reinforced concrete structures, the concrete itself can act as a corrosion protection coating for the steel rebars. The high alkalinity of concrete creates a protective layer around the steel, known as the passivating layer, which helps prevent corrosion. Additionally, the use of corrosion inhibitors in the concrete mix can enhance the corrosion protection of steel rebars. It is important to select the appropriate corrosion protection coating based on the specific environmental conditions, intended application, and required durability. Consulting with experts or engineers experienced in corrosion protection can help determine the most suitable coating for steel rebars in a given situation.
- Q:Can steel rebars be used in decorative or artistic applications?
- Yes, steel rebars can be used in decorative or artistic applications. They can be shaped, welded, or manipulated to create unique and visually appealing designs for sculptures, furniture, architectural elements, and more. The durability and strength of steel rebars make them suitable for both functional and aesthetic purposes in decorative or artistic projects.
- Q:What is the resistance of steel rebars against acid attacks?
- Steel rebars have a high resistance against acid attacks due to their inherent corrosion-resistant properties. The steel's protective oxide layer helps prevent the acid from penetrating and causing significant damage to the rebars. However, prolonged exposure to highly concentrated or aggressive acids may eventually lead to corrosion, necessitating appropriate protective measures.
- Q:What is the process of testing the quality of steel rebars?
- The process of testing the quality of steel rebars involves several steps to ensure their compliance with industry standards and specifications. 1. Visual Inspection: This initial step involves a visual examination of the rebars to identify any visible defects, such as cracks, surface irregularities, or improper dimensions. 2. Chemical Composition Analysis: A sample of the steel rebars is taken and subjected to chemical analysis to determine its composition, including the percentage of carbon, manganese, sulfur, phosphorus, and other elements. This analysis ensures that the steel meets the required composition standards for strength and durability. 3. Tensile Strength Test: A tensile strength test is conducted to measure the maximum amount of stress that the steel rebars can withstand without deformation or failure. This is achieved by applying a gradually increasing load to a sample of the rebar until it breaks. The tensile strength is then determined by dividing the breaking load by the cross-sectional area of the sample. 4. Bend Test: In the bend test, a sample of the rebar is bent to a specified angle without any cracks or fractures occurring. This test evaluates the rebar's ductility, which is crucial for its ability to withstand bending and shaping during construction. 5. Weldability Test: If the steel rebars are intended for use in welded structures, a weldability test is performed. This test assesses the ability of the rebars to be welded without any issues, such as cracking or loss of strength. 6. Dimensional and Weight Inspection: The rebars are measured for their dimensions, including length, diameter, and weight, to ensure compliance with the required specifications. Any deviations may indicate a potential quality issue. 7. Corrosion Resistance Test: Steel rebars are often exposed to harsh environmental conditions, including moisture and corrosive substances. Therefore, a corrosion resistance test is conducted to evaluate the rebar's ability to withstand corrosion over time. This test is typically carried out by subjecting the rebars to a corrosive environment or by using accelerated corrosion testing methods. 8. Non-Destructive Testing (NDT): NDT techniques, such as ultrasonic testing, magnetic particle inspection, or radiographic testing, may be employed to detect any internal defects or irregularities that are not visible to the naked eye. These tests help ensure the integrity and quality of the rebars. 9. Certification and Documentation: Once all the tests are completed and the steel rebars meet the required standards, they are certified and documented accordingly. This documentation serves as evidence of the quality and compliance of the rebars and is crucial for construction projects to ensure safety and durability. By following these comprehensive testing procedures, the quality of steel rebars can be thoroughly assessed, providing assurance to builders, engineers, and end-users that the steel rebars meet the necessary quality standards for their intended applications.
- Q:How do steel rebars enhance the structural integrity of a building?
- In several ways, the structural integrity of a building is enhanced by steel rebars. Firstly, they reinforce and support concrete structures, including beams, columns, and slabs, preventing cracking or collapsing under heavy loads or external forces. The high tensile strength of steel rebars enables them to bear tensile stresses that concrete alone cannot handle, guaranteeing the building's stability and durability. Furthermore, steel rebars aid in evenly distributing and transferring loads throughout the structure, reducing concentrated stress. By reinforcing critical areas prone to tension, like corners, joints, and openings, rebars prevent cracks and ensure overall stability. Steel rebars also play a vital role in improving the structure's resistance to natural disasters like earthquakes and hurricanes. The flexibility and ductility of steel allow it to absorb and dissipate energy during seismic events or high winds, minimizing the risk of structural failure. This increased resilience ensures occupant safety and protects the building from severe damage. Additionally, steel rebars offer long-term durability by shielding the structure against corrosion. Unlike other construction materials, steel is highly resistant to degradation caused by environmental factors like moisture, chemicals, and temperature fluctuations. Corrosion-resistant rebars or protective coatings can significantly extend the building's lifespan. In conclusion, steel rebars are crucial components for reinforcing concrete structures, strengthening their integrity, stability, and resilience. By providing additional support and resistance to various stresses and loads, they contribute to the overall structural integrity of a building, guaranteeing its safety, longevity, and ability to withstand adverse conditions.
- Q:What is the impact of steel rebars on the construction timeline?
- The construction timeline is greatly affected by steel rebars. These rebars are essential in reinforced concrete structures and provide strength and durability to the overall construction. It is crucial to properly install and integrate them into the concrete elements to ensure the building's structural integrity. To begin with, delays in procuring or delivering steel rebars can have a significant impact on the construction timeline. This can cause a ripple effect, postponing or slowing down construction activities that require the presence of rebars, such as formwork, concrete pouring, and curing. As a result, the overall construction timeline may be delayed. Furthermore, the installation of rebars is a meticulous and time-consuming process. Construction teams must accurately place and secure the rebars according to design specifications and engineering drawings. This involves cutting, bending, and tying rebars to create the necessary reinforced structures. Any errors or rework needed during this phase can lead to additional time being spent, potentially causing delays in subsequent construction activities. In addition, coordination between different construction trades is crucial when working with rebars. The integration of electrical and plumbing systems with rebars must be done correctly before pouring the concrete. Miscommunication or lack of coordination can result in conflicts and rework, causing delays in the construction timeline. Moreover, the quality of rebars is vital to the construction timeline. Poor quality or defective rebars can pose safety concerns and potential structural issues. In such cases, remedial actions, such as removing and replacing faulty rebars, need to be taken, leading to delays and additional costs. In conclusion, steel rebars significantly impact the construction timeline. Factors such as availability, timely delivery, accurate installation, coordination with other trades, and quality influence the overall progress of a construction project. Proper planning, communication, and monitoring are essential to effectively incorporate rebars into the construction process, minimizing potential delays, and keeping the project on schedule.
- Q:What are the different types of steel rebars used in railway construction?
- The different types of steel rebars used in railway construction include plain carbon steel rebars, low alloy steel rebars, and stainless steel rebars. Each type has specific properties and strengths that make them suitable for various applications in railroad infrastructure.
- Q:How do steel rebars affect the durability of concrete?
- Steel rebars enhance the durability of concrete by providing tensile strength, preventing cracking and improving the overall structural integrity of the concrete.
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Hot Rolled Deformed Bar ou Reinforcement Bar ASTM A615 6mm-50mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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