Hot Rolled Reinforcing Deformed Steel Bars in 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
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: 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.
Q4: Can you offer the third part inspection certificates ?
A4: Yes, we can apply third part inspection before shipping, such as SGS, BV, etc .
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- Q: How do steel rebars affect the overall construction schedule?
- Steel rebars can have a significant impact on the overall construction schedule. They are essential components in concrete structures, providing strength and stability. However, their installation can be time-consuming as it requires careful placement and securing. Delays in rebar installation can potentially affect subsequent construction activities, such as concrete pouring and curing. Therefore, efficient planning and coordination of rebar installation are crucial to ensure the construction schedule remains on track.
- Q: How do steel rebars affect the durability of concrete in freeze-thaw cycles?
- Steel rebars can greatly enhance the durability of concrete in freeze-thaw cycles. When concrete is exposed to freezing and thawing conditions, it undergoes a cycle of expansion and contraction. During freezing, water inside the concrete pores freezes and expands, exerting pressure on the surrounding concrete matrix. This expansion can lead to cracks and deterioration of the concrete. However, the presence of steel rebars within the concrete can help mitigate these issues. Steel has a much lower coefficient of thermal expansion compared to concrete, which means it does not expand and contract as much with temperature changes. This property allows the steel rebars to absorb the stresses generated during freeze-thaw cycles, preventing significant damage to the concrete structure. Additionally, steel rebars also provide reinforcement to the concrete, increasing its overall strength and toughness. This reinforcement helps to distribute the stresses caused by freeze-thaw cycles more evenly throughout the concrete, reducing the likelihood of cracks forming or propagating. Furthermore, steel rebars act as a barrier against water penetration into the concrete. Moisture is one of the main factors that contribute to freeze-thaw damage. The steel rebars help to create a more impermeable concrete structure by reducing the size and quantity of cracks, preventing water from entering and causing further deterioration. In summary, steel rebars play a crucial role in enhancing the durability of concrete in freeze-thaw cycles. Their ability to absorb stresses, reinforce the concrete, and prevent water penetration significantly reduces the potential for damage and extends the lifespan of the concrete structure.
- Q: Can steel rebars be used in water treatment facilities?
- Yes, steel rebars can be used in water treatment facilities. Steel rebars are commonly used in the construction of various structures, including water treatment facilities. They provide strength and durability to the concrete structures, ensuring their stability and longevity in the harsh environment of water treatment facilities.
- 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 is the process of painting steel rebars?
- The process of painting steel rebars typically involves several steps. First, the rebars must be cleaned thoroughly to remove any dirt, grease, or rust. This can be done using various methods such as sandblasting, wire brushing, or chemical cleaning. After cleaning, a primer is applied to the rebars to promote adhesion and corrosion resistance. The rebars are then left to dry before the final coating of paint is applied. This final coat can be either a solvent-based or water-based paint, depending on the desired finish and environmental considerations. The rebars are left to dry and cure, and once the paint is fully dried, they are ready to be used in construction projects.
- Q: How are steel rebars transported and stored on construction sites?
- Steel rebars are typically transported to construction sites using trucks or trailers. These vehicles are designed to safely carry and unload the heavy and bulky rebars. Upon arrival at the site, the rebars are usually offloaded using cranes or forklifts. To ensure efficient storage and easy access, rebars are often stored in designated areas called rebar yards. These yards are typically organized in a way that allows for easy identification and retrieval of rebars when needed. The rebars are sorted and stacked according to their size, length, and type to prevent any confusion during construction. In the rebar yard, rebars are commonly stored horizontally on steel or wooden racks. The racks are designed to provide proper support and prevent damage to the rebars. It is important to note that rebars should be stored above ground level to protect them from moisture, rust, and contamination. They should also be kept away from any damp areas or direct contact with soil. To maintain the quality of the rebars, it is crucial to protect them from exposure to rain, snow, and excessive sunlight. Therefore, construction sites often use protective covers, such as tarps or plastic sheets, to shield the rebars and prevent any corrosion or deterioration. Additionally, construction workers must handle rebars with care to avoid any bending or deformation. Special attention should be given to prevent rebars from being dropped or dragged, as it can compromise their structural integrity. Overall, the transportation and storage of steel rebars on construction sites require careful planning and adherence to safety guidelines to ensure their quality and effectiveness in reinforcing concrete structures.
- Q: What are the different grades of steel rebars used in bridge construction?
- The different grades of steel rebars used in bridge construction vary depending on the specific requirements and design specifications of the bridge. Common grades include Grade 40, Grade 60, and Grade 75. These grades indicate the minimum yield strength of the steel rebar, with higher grades offering greater strength. The choice of grade depends on factors such as the anticipated loads, span length, and structural design of the bridge.
- Q: Can steel rebars be used in coastal construction?
- Yes, steel rebars can be used in coastal construction. Steel rebars are commonly used in construction projects, including in coastal areas where they provide crucial reinforcement to concrete structures. The steel rebars are typically coated or treated to prevent corrosion from the saltwater and other coastal elements, ensuring their durability and longevity in coastal environments.
- Q: Do steel rebars increase the overall weight of a structure?
- Yes, steel rebars do increase the overall weight of a structure. Rebars are typically used to reinforce concrete, providing additional strength and stability. Since steel is denser than concrete, the addition of rebars adds weight to the structure.
- Q: How are steel rebars used in road and pavement construction?
- Steel rebars are used in road and pavement construction to reinforce the concrete structures and provide strength and durability to withstand heavy traffic loads and environmental conditions. They are typically placed within the concrete to prevent cracking and enhance the overall structural integrity, ensuring the longevity and stability of the roads and pavements.
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Hot Rolled Reinforcing Deformed Steel Bars in 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
OKorder Financial Service
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