BS4449 G460 Reinforcing Deformed Steel Bar, Rebar, Deformed Rebar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
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deformed steel bar grade 40
material: HRB400, BS4449 GR460B
size: 8-36mmx12m.
short delivery time by bulk or container
deformed steel bar grade 40
material: HRB400, BS4449 GR460B
size: 8-36mmx12m.
short delivery time with bulk or container
packing: Mill standard export packing in bundles/coil, around 2tons/bundle.
country of Origin: China
delivery Time: Within a 35 days
Shipment: by bulk vessel or by container
Leading goods:
section steel:angles,channels,I-beam,H-beam;
coils:cold/hot rolled coils,PPGI,galvanized coils,plate,checkered plate,cutting steel plate,steel strip;
wire rod:steel wire,deformed wire,bar;
pipe:seamless pipe,rectangular pipe,welded pipe,spiral welded pipe,pipe fittings;
stainless steel:steel sheets,stainless steel strips,stainless bar,stainless tube;
special:weathering steel,shipbuilding steel;
construction steel:C-channel,Z-channel,T-bar,high-speed divider plate,corrugated steel plate,steel grating.
Advantage:
We are the spot supplier, Six huge warehouses which can hold 20,000 MT goods.
It makes the cost lower than others,we can provide the competitive price for you.
Delivery time:
Normal sizes can be provided in 7days, the others should be ready in 30---45 days.
Further treatment:
We can offer cutting,painting,drilling holes,bending,threading, welding,galvanization,packing etc.
Security interest:
We have already passed the ISO9001, BV and SGS authentication which makes the quality secured.
If you have the interest in any of the products we can provided, pls don't hesitate to connect with me. Looking forward to cooperate with you.
FAQ of Steel Deformed Bar
1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.
- Q: What are the factors that can cause steel rebars to corrode prematurely?
- There are several factors that can contribute to the premature corrosion of steel rebars. These include exposure to moisture, high levels of chloride ions, carbonation of concrete, inadequate concrete cover, poor quality of concrete or protective coatings, and the presence of other aggressive chemicals such as sulfates or acids. Environmental conditions, such as high humidity, coastal areas, or industrial environments, can also accelerate the corrosion process. Additionally, improper construction practices, such as inadequate compaction or curing of concrete, can lead to the initiation and progression of corrosion in steel rebars.
- Q: What is the effect of welding on the properties of steel rebars?
- The properties of steel rebars can be affected by welding in various ways. Firstly, the application of heat during welding can result in localized changes to the microstructure of the material. This, in turn, can lead to alterations in the rebars' mechanical properties, such as hardness and strength. The heat-affected zone near the weld may undergo changes in grain structure, potentially impacting the rebars' ability to withstand tension, compression, or bending forces. Secondly, welding can introduce residual stresses into the rebars due to the expansion and contraction of the material during the heating and cooling phases of the welding process. These residual stresses can potentially impact the rebars' performance under load, making them more prone to cracking or failure. Moreover, improper welding techniques can introduce defects like porosity, inclusions, or lack of fusion. These defects can weaken the rebars, reducing their load-bearing capacity. Additionally, the presence of welding consumables and fluxes can introduce impurities into the rebars, which may compromise their corrosion resistance. In summary, although welding can be an effective means of joining steel rebars, it is essential to consider its potential effects on their properties. To minimize these effects and ensure that the rebars maintain their desired mechanical and structural properties, it is crucial to employ proper welding techniques, such as preheating, controlling heat input, and post-weld heat treatment. Regular inspections and testing of welded rebars are also necessary to guarantee the integrity and safety of the overall structure.
- Q: What are the maintenance requirements for steel rebars in a structure?
- The maintenance requirements for steel rebars in a structure typically involve regular inspections, cleaning, and protection against corrosion. Inspections should be conducted to identify any signs of rust, cracks, or other damage that could compromise the strength of the rebars. Cleaning is essential to remove any dirt, debris, or chemicals that may accumulate on the rebars and accelerate corrosion. Applying protective coatings or coatings that inhibit corrosion can help extend the lifespan of the rebars. Additionally, ensuring proper drainage and preventing moisture buildup in the structure can also contribute to the maintenance of steel rebars.
- Q: What is the lifespan of steel rebars in marine structures?
- The durability of steel rebars in marine structures can vary due to several factors, including the quality of the steel, the environmental conditions they are exposed to, and the maintenance strategies employed. However, marine structures that are designed, constructed, and maintained appropriately can typically endure for 50 to 100 years. Typically, steel rebars used in marine structures are coated with corrosion-resistant materials, like epoxy or zinc, to shield them from the harsh marine environment. These coatings serve as an extra layer of protection, extending the lifespan of the rebars. Nevertheless, it is crucial to acknowledge that the marine environment is highly corrosive due to the presence of saltwater, humidity, and other corrosive agents. Over time, these elements can cause the deterioration of the protective coatings, exposing the rebars to corrosion. Without adequate maintenance measures, such as regular inspections, cleaning, and reapplication of protective coatings, the rebars may experience accelerated corrosion, leading to a shortened lifespan. Furthermore, the design and construction of marine structures play a critical role in determining the lifespan of steel rebars. It is essential to carefully consider factors like structural design, material selection, and detailing to minimize the risk of corrosion and ensure the longevity of the rebars. To summarize, the lifespan of steel rebars in marine structures can vary from 50 to 100 years based on factors such as steel quality, environmental conditions, and maintenance practices. Proper design, construction, and maintenance are crucial for maximizing the lifespan of steel rebars in marine structures.
- Q: What are the common types of steel rebars used in residential construction?
- The common types of steel rebars used in residential construction are typically Grade 40, Grade 60, and Grade 75. These rebars vary in terms of their yield strength and are chosen based on the specific structural requirements of the project.
- Q: What are the different types of steel rebars used in bridge construction?
- There are several types of steel rebars commonly used in bridge construction, including carbon steel rebars, epoxy-coated rebars, stainless steel rebars, and galvanized rebars. Each type has specific properties and advantages, such as corrosion resistance, durability, or increased strength, which make them suitable for different bridge construction scenarios.
- Q: What are the different grades of steel rebars available?
- There are several different grades of steel rebars available in the market, each with specific characteristics and applications. The most commonly used grades include: 1. Grade 40: This is a low-strength rebar, suitable for general construction purposes where high tensile strength is not required. It is commonly used in residential buildings, sidewalks, and driveways. 2. Grade 60: This is a medium-strength rebar, offering higher tensile strength than Grade 40. It is widely used in commercial buildings, bridges, and infrastructure projects. Grade 60 rebar provides excellent reinforcement for heavy loads and structural stability. 3. Grade 75: This is a high-strength rebar, often used in challenging construction projects that require exceptional tensile strength. It is commonly utilized in high-rise buildings, parking garages, and industrial structures to ensure superior reinforcement and structural integrity. 4. Grade 80 and above: These are ultra-high-strength rebars designed for specialized applications where extreme load-bearing capacity is necessary. They are commonly used in heavy-duty infrastructure projects, such as dams, tunnels, and nuclear power plants, where the demand for strength is significantly higher. The choice of steel rebar grade depends on factors such as the specific construction project, load-bearing requirements, and environmental conditions. Engineers and architects evaluate these factors to determine the most suitable grade of steel rebar for a particular application, ensuring optimal performance and structural durability.
- Q: Are there any health and safety concerns related to steel rebars?
- Yes, there are potential health and safety concerns related to steel rebars. Handling and working with steel rebars can pose risks such as cuts, injuries from falling or displaced rebars, and musculoskeletal disorders due to heavy lifting or repetitive movements. Additionally, workers may be exposed to hazards during the fabrication process, such as welding fumes or noise pollution. Adequate safety measures, including personal protective equipment and proper training, should be implemented to mitigate these risks and ensure a safe working environment.
- Q: How do steel rebars affect the overall construction cost of industrial buildings?
- Steel rebars can have a significant impact on the overall construction cost of industrial buildings. Rebars are used as reinforcement in concrete structures, providing strength and durability. The amount of steel rebars required in a building project directly affects the cost, as the price of steel is a major component of the overall construction expenses. Firstly, the quantity of rebars needed depends on the size, design, and complexity of the industrial building. Larger buildings or those with intricate architectural features may require a higher number of rebars, resulting in increased costs. Additionally, the design and engineering requirements for seismic or wind resistance can also influence the quantity of rebars, further impacting the construction budget. Moreover, the quality and grade of the steel rebars used can affect the cost. Higher-grade rebars, such as those with higher tensile strength or corrosion resistance, may be more expensive. However, using higher-grade rebars can provide long-term benefits by enhancing the structural integrity of the building and reducing maintenance and repair costs over its lifespan. Transportation and handling costs also contribute to the overall cost. Steel rebars are heavy and bulky, requiring careful handling and transportation to the construction site. The distance between the steel supplier and the site can significantly impact transportation costs. Additionally, the storage and protection of rebars on-site must be considered to ensure their quality, which may involve additional expenses. Lastly, labor costs associated with the installation of steel rebars should be taken into account. Skilled labor is required to correctly place and tie the rebars according to design specifications and building codes. The complexity of the reinforcement design can affect the time required for installation, ultimately influencing labor costs. In conclusion, steel rebars play a vital role in the construction of industrial buildings by reinforcing concrete structures. The quantity, quality, transportation, and labor costs associated with steel rebars directly impact the overall construction cost. Therefore, careful planning and consideration of these factors are necessary to effectively manage the budget of industrial building projects.
- Q: How do steel rebars affect the overall cost of maintenance in a structure?
- Steel rebars can have a significant impact on the overall cost of maintenance in a structure. The use of steel rebars enhances the structural integrity and durability of the building, reducing the risk of structural failures and minimizing maintenance requirements. Steel rebars help to reinforce the concrete, making the structure more resistant to cracks, corrosion, and other forms of damage. By preventing or delaying these issues, the overall cost of maintenance, repairs, and replacements is reduced over the lifespan of the structure.
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BS4449 G460 Reinforcing Deformed Steel Bar, Rebar, Deformed Rebar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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