Deformed Steel Rebars with High Quality of HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000 m.t./month
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Product Description:
OKorder is offering Deformed Steel Rebars with High Quality of HRB500 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 Steel Rebars with High Quality of HRB500 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Deformed Steel Rebars with High Quality of HRB500 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
Specifications of Deformed Steel Rebars with High Quality of HRB500
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Packing | Export standard packing: wrapped by wire rod in bundles | ||
Each bundle weight | 2-3MT, or as required | ||
Trade terms | FOB, CFR, CIF | ||
Payment terms | TT payment in advance or Irrevocable LC at sight. | ||
Delivery Detail | within 45 days after received advanced payment or LC. | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2.00 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
50 | 1964 | 15.42 | 185.04 | 5.40 |
Chemical Composition: (Please kindly find our chemistry of our material based on JIS as below for your information)
JISG3112 SD390 | Chemical Composition | ||||
C | Mn | Si | S | P | |
0.22 | 1.38 | 0.4 | 0.014 | 0.022 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
620 | ≥400 | 21 | |||
The production process of Deformed Steel Rebars with High Quality of HRB500
1-Waling beam furnace
2-Roughing rolling group
3-Intermediate rolling train
4-Finishing rolling group
5-Water-cooling device
6-Walking beam cooler
7-Finishing equipment(including the cold scale shear,short feet collection system,
automatic counting device,bundling machine, collect bench)
Usage and Applications of Deformed Steel Rebars with High Quality of HRB500
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..
Packaging & Delivery of Deformed Steel Rebars with High Quality of HRB500
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Price: Keep lower operating costs so as to offer competitive price for our clients
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 role of steel rebars in pile foundation construction?
- The role of steel rebars in pile foundation construction is to reinforce the concrete and provide additional strength and structural integrity to the piles. The rebars are placed within the concrete to resist tension and compression forces, preventing cracking and ensuring the stability and durability of the pile foundation.
- Q: What is the effect of chloride ions on steel rebars?
- The presence of chloride ions in the environment can have a detrimental effect on steel rebars. Chloride ions can penetrate the protective oxide layer on the surface of the steel and react with the iron atoms, leading to the formation of iron chloride compounds. These compounds are highly corrosive and can cause the rebars to rust and eventually weaken. This corrosion process, known as chloride-induced corrosion, can significantly reduce the structural integrity and lifespan of steel rebars, posing a risk to the overall stability of reinforced concrete structures. Therefore, it is crucial to protect steel rebars from chloride exposure through proper design, construction, and maintenance practices to ensure their long-term durability and safety.
- Q: What are the guidelines for the proper installation of steel rebars?
- Achieving the structural integrity and durability of reinforced concrete structures relies heavily on the correct installation of steel rebars. To ensure their proper installation, the following guidelines must be followed: 1. Planning and Design: Prior to commencing installation, a detailed plan and design must be established. This involves determining the necessary rebar size, spacing, and configuration based on structural requirements and specifications. It is crucial to consult with structural engineers and adhere to local building codes and regulations. 2. Cutting and Bending: Rebars should be accurately cut and bent in accordance with the design specifications. The use of appropriate tools, such as rebar cutters and benders, is necessary to achieve clean cuts and precise bends. Any rebars that are damaged or corroded should be discarded and replaced. 3. Cleaning and Preparation: The surface of the rebars should be free from contaminants such as rust, oil, dirt, or loose scales before installation. The recommended method for cleaning rebars is using wire brushes or air blasting to ensure proper adhesion between the rebar and concrete. 4. Placement and Positioning: Rebars should be placed and positioned accurately based on the design drawings. They should be securely tied or supported using tie wires or rebar chairs to maintain the desired spacing and alignment. Splices should be made according to the design requirements and properly lapped to ensure continuity and strength. 5. Concrete Cover: Adequate concrete cover is crucial to protect the rebars from corrosion and provide fire resistance. The concrete cover thickness should meet the design specifications and local building codes. Proper spacing between rebars and formwork should be maintained to allow for proper concrete flow and consolidation. 6. Anchorage and Embedment: Sufficient anchorage and embedment of rebars are essential for load transfer and structural stability. Special attention should be given to providing proper hooks, bends, or mechanical anchorage at the ends of rebars as required by the design. The rebars should be appropriately embedded into adjacent concrete elements to achieve the desired bond strength. 7. Inspection and Quality Control: Regular inspection should be conducted throughout the installation process to ensure compliance with design specifications and quality standards. Any deviations or defects should be promptly identified and rectified. It is important to document the installation process and maintain proper records for future reference. By adhering to these guidelines, the proper installation of steel rebars can be accomplished, guaranteeing the structural strength, longevity, and safety of reinforced concrete structures.
- Q: What is the role of steel rebars in column and beam construction?
- Steel rebars are essential in column and beam construction because they provide reinforcement, strength, and stability to the structure. In reinforced concrete construction, columns and beams are typically made of strong concrete that is weak in tension. This is where steel rebars come into play. Rebars, also known as reinforcing bars, are long steel rods strategically placed within the concrete to counteract its weakness in tension. They are made of high-strength steel and designed to withstand the tensile forces in a structure. By adding rebars to the concrete, the resulting composite material becomes capable of resisting both compression and tension, making it stronger and more durable. In column construction, steel rebars are vertically placed and tied together in a grid-like pattern. This reinforcement helps the column support the weight of the structure and resist vertical loads such as the weight of the floors or roof above. The rebars also prevent the column from buckling or collapsing under these loads. Similarly, in beam construction, steel rebars are horizontally placed within the concrete beam. These rebars assist the beam in resisting bending and shear forces, which are common in structural elements spanning across openings or supporting loads from above. By providing reinforcement, the rebars ensure that the beam remains stable and can safely bear the imposed loads. Overall, steel rebars enhance the strength, stability, and load-bearing capacity of columns and beams in construction. They improve the structural integrity of concrete elements, allowing them to withstand various forces and loads throughout their lifespan. Without rebars, columns and beams would be weaker and more prone to failure, compromising the safety and longevity of the entire structure.
- Q: How are steel rebars used in airport runway construction?
- Steel rebars are used in airport runway construction to reinforce the concrete and provide structural strength to the runway. They are placed within the concrete slab to prevent cracks and ensure the runway can withstand heavy loads from aircraft.
- Q: What are the environmental impacts of using steel rebars in construction?
- The utilization of steel rebars in construction yields various environmental effects, both advantageous and disadvantageous. One of the positive consequences is that steel possesses exceptional durability and longevity, resulting in structures constructed with steel rebars having an extended lifespan. Consequently, the frequency of repairs or replacements is reduced, thereby diminishing the accumulation of waste over time. Nevertheless, the manufacture of steel rebars entails considerable adverse environmental outcomes. The production of steel involves the extraction and processing of iron ore, which necessitates extensive mining operations. These mining activities contribute to deforestation, the destruction of habitats, and soil erosion. Furthermore, the extraction and processing of iron ore consume substantial amounts of energy, thereby emitting greenhouse gases and polluting the air. Additionally, the manufacturing process of steel rebars entails the utilization of various chemicals, such as limestone and coke, which, if not adequately managed, can detrimentally affect local ecosystems and water sources. The discharge of pollutants and waste products during steel production can also contribute to water and soil pollution. Furthermore, the transportation of steel rebars from production facilities to construction sites entails environmental implications. Long-distance transportation can result in heightened carbon emissions and energy consumption, particularly when importing rebars from distant locations. To mitigate these environmental impacts, sustainable practices can be implemented in the production and utilization of steel rebars. The recycling of steel is an essential measure in reducing the demand for new production and minimizing the environmental footprint. By employing recycled steel, the energy consumption and greenhouse gas emissions associated with production can be significantly diminished. Moreover, the implementation of efficient transportation methods, such as utilizing rail or waterways instead of trucks, can diminish the carbon footprint of steel rebars. In conclusion, while steel rebars offer durability and longevity in construction, their production and utilization bear significant environmental implications. The adoption of sustainable practices and an emphasis on recycling can help mitigate the negative impacts and render their use more environmentally friendly.
- Q: How do steel rebars affect the maintenance requirements of a structure?
- The maintenance requirements of a structure are significantly influenced by steel rebars, also known as reinforcing bars. These bars, which are constructed from steel, are embedded in concrete to provide strength and durability to the structure. Enhancing the overall structural integrity of a building or infrastructure is one of the primary ways in which steel rebars impact maintenance. The presence of rebars greatly increases the load-bearing capacity of concrete, enabling it to withstand external forces such as wind, earthquakes, and heavy loads. This reinforcement helps to prevent cracks, deformations, and structural failures, ultimately reducing the maintenance needs of a structure. Moreover, steel rebars also contribute to the longevity of a structure. By offering tensile strength to concrete, they shield it from the negative effects of shrinkage and expansion caused by temperature fluctuations. These rebars act as a framework that holds the concrete together, minimizing the risk of cracks and ensuring the structural stability of the building over time. As a result, the maintenance requirements are reduced as the structure remains intact and resilient against environmental factors. Nevertheless, it is important to acknowledge that steel rebars can also impact maintenance requirements in specific situations. If the rebars are not designed, installed, or protected properly, they can be vulnerable to corrosion. Corrosion occurs when moisture and oxygen penetrate the concrete and reach the steel, causing it to rust. Rusting rebars can lead to the expansion of steel, creating internal pressure that can result in cracking and spalling of the concrete. Consequently, regular inspections, maintenance, and protection measures such as epoxy coating or cathodic protection systems are necessary to prevent corrosion and ensure the longevity of the structure. In conclusion, steel rebars have a positive impact on the maintenance requirements of a structure by enhancing its strength, durability, and longevity. They decrease the need for repairs and maintenance caused by structural failures and increase the overall resilience against external forces. However, proper design, installation, and protection of rebars are crucial to avoid corrosion-related issues that could increase maintenance needs.
- Q: How do steel rebars prevent cracking in concrete?
- Steel rebars prevent cracking in concrete by providing additional tensile strength to the composite material. As concrete is strong in compression but weak in tension, the steel rebars act as reinforcement and resist the tensile forces that can cause cracking. By distributing the applied loads more evenly throughout the structure, rebars help to enhance the structural integrity and durability of the concrete, preventing the formation and propagation of cracks.
- Q: Are there any environmental concerns related to the production of steel rebars?
- Yes, there are several environmental concerns related to the production of steel rebars. One of the main concerns is the significant amount of energy required to produce steel. The production process involves the use of large amounts of fossil fuels, such as coal and natural gas, which contribute to greenhouse gas emissions and climate change. Another concern is the extraction and mining of iron ore, which is the primary raw material for steel production. This process can lead to deforestation, habitat destruction, and soil erosion. Additionally, the mining process can generate large amounts of waste material, which can contaminate nearby water sources. Furthermore, the steel production process also involves the emission of air pollutants, including particulate matter, sulfur dioxide, and nitrogen oxides. These pollutants can have detrimental effects on air quality and human health, causing respiratory problems and contributing to the formation of smog. It is important to note that efforts are being made by the steel industry to address these environmental concerns. For example, many steel producers are implementing more energy-efficient technologies and exploring alternative energy sources to reduce carbon emissions. Additionally, recycling steel is becoming more prevalent, which helps to conserve resources and decrease the environmental impact of steel production. Overall, while the production of steel rebars does pose environmental concerns, there are ongoing efforts to mitigate these impacts and make the process more sustainable.
- Q: How are steel rebars protected from fire damage?
- Steel rebars are typically protected from fire damage through the application of fire-resistant coatings or by encasing them within fire-resistant materials, such as concrete. This helps to prevent the steel rebar from reaching its critical temperature, which could compromise its structural integrity.
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Deformed Steel Rebars with High Quality of HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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