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 is the minimum ductility requirement for steel rebars?
- The minimum ductility requirement for steel rebars is typically specified as a minimum elongation or reduction in area value, which is commonly set at 14% or 35%, respectively.
- Q:Can steel rebars corrode or rust over time?
- Yes, steel rebars can corrode or rust over time.
- Q:What is the impact of steel rebars on the construction timeline?
- Steel rebars have a significant impact on the construction timeline as they play a crucial role in reinforcing concrete structures. By providing strength and durability, rebars ensure the structural integrity of buildings, bridges, and other infrastructure projects. However, their installation requires careful planning and coordination with other construction activities, which can sometimes cause delays in the overall timeline. Nevertheless, the use of rebars ultimately enhances the longevity and safety of the construction project, outweighing any temporary setbacks.
- Q:How do steel rebars affect the bond strength between concrete and reinforcement?
- Steel rebars play a crucial role in enhancing the bond strength between concrete and reinforcement. The presence of rebars in concrete structures creates a mechanical interlock between the two materials, resulting in a stronger and more durable bond. Firstly, rebars provide a larger surface area for the concrete to adhere to. The rough texture of the steel surface allows the fresh concrete to bond effectively, creating a strong bond. This increased surface area also helps to distribute loads more evenly, reducing stress concentrations and enhancing the overall structural integrity of the concrete. Secondly, rebars act as a load transfer medium, transmitting forces between the concrete and reinforcement. As the concrete experiences tensile forces, which it is inherently weak in resisting, the rebars bear these forces and effectively carry them across the concrete-rebar interface. This prevents cracks from propagating and helps to maintain the overall stability and strength of the structure. Moreover, the presence of rebars helps to control cracking in concrete. As the concrete undergoes shrinkage or temperature variations, it tends to crack. However, with the presence of rebars, these cracks are restricted or minimized. The rebars act as reinforcement, holding the concrete together and preventing crack propagation. Additionally, steel rebars improve the bond strength by providing anchorage. The embedment of rebars into the concrete creates a mechanical connection, preventing the rebar from slipping or pulling out. This anchorage ensures that the bond between the concrete and reinforcement remains intact, even under high loads or external forces. In summary, steel rebars significantly enhance the bond strength between concrete and reinforcement. They provide a larger surface area for adhesion, act as load transfer mediums, control cracking, and offer anchorage, ensuring a stronger and more durable bond. Their presence contributes to the overall stability and longevity of concrete structures.
- Q:Can steel rebars be used in foundation reinforcement?
- Yes, steel rebars can be used in foundation reinforcement. They are commonly used to provide strength and stability to concrete foundations by adding reinforcement and preventing cracks or structural failures.
- Q:How do steel rebars affect the overall sustainability of a structure?
- The overall sustainability of a structure is significantly influenced by steel rebars. To begin with, the utilization of steel rebars adds to the building's strength and durability, ensuring its longevity and decreasing the need for frequent repairs or replacements. As a result, the consumption of raw materials and energy required for construction is reduced, making the structure more sustainable. Moreover, steel rebars aid in improving the structural integrity of a building, rendering it more resilient to natural disasters like earthquakes and hurricanes. By enhancing the safety and resilience of the structure, steel rebars minimize the potential for damage and loss, thereby reducing the environmental impact associated with reconstruction and waste generation. Additionally, at the end of a building's life cycle, steel rebars can be recycled. Steel is highly recyclable, and the reuse of steel rebars significantly decreases the demand for virgin steel production and the related carbon emissions. Steel recycling also conserves natural resources and reduces landfill waste, making it a more sustainable alternative to using other materials. Furthermore, the incorporation of steel rebars in structures allows for greater design flexibility and adaptability. This implies that buildings can be easily modified or repurposed, reducing the necessity for demolition and reconstruction. The ability to repurpose existing structures reduces waste and energy consumption, contributing to the overall sustainability of the built environment. In conclusion, steel rebars have a positive impact on the overall sustainability of a structure through their durability, strength, and recyclability. By enhancing the longevity, safety, and adaptability of a building, steel rebars decrease the environmental impact associated with construction, maintenance, and demolition.
- Q:How are steel rebars protected from rusting?
- Steel rebars undergo corrosion protection to prevent rusting. Various methods are used for this purpose, including the application of protective coatings, galvanization, and the utilization of corrosion inhibitors. One effective method is the utilization of protective coatings, which act as a barrier between the rebar and its surroundings. By doing so, they prevent moisture and oxygen from reaching the steel surface. These coatings can be applied using techniques like epoxy coating, fusion-bonded epoxy (FBE) coating, or zinc-rich paint. These coatings exhibit exceptional adhesion and durability, ensuring long-term protection against rust. Galvanization is another method employed, which involves coating the rebar with a layer of zinc. Zinc serves as a sacrificial anode, corroding in place of the steel when exposed to moisture and oxygen. This sacrificial corrosion process aids in safeguarding the steel from rusting. Galvanized rebars are often used in environments with high moisture levels, such as coastal areas or regions with high humidity. Corrosion inhibitors are also utilized to protect steel rebars. These inhibitors are chemicals added to the concrete mix or directly applied to the rebar surface. They function by creating a protective layer on the steel surface, inhibiting the corrosion process. Corrosion inhibitors are particularly valuable in scenarios where the rebar may encounter chloride ions, which accelerate the corrosion of steel. In conclusion, a combination of these methods is frequently employed to ensure comprehensive protection against rusting for steel rebars. This guarantees the durability and structural integrity of reinforced concrete structures like buildings, bridges, and highways.
- Q:How are steel rebars connected or joined together during construction?
- Steel rebars are typically connected or joined together during construction using a variety of methods and techniques. The most common method is by overlapping the rebars and tying them together using steel wire. This process is known as rebar tying or wire tying. To ensure a strong and secure connection, the rebars are overlapped at a certain length, typically between 40 to 60 times the diameter of the rebars. The overlapping length allows for the transfer of load and ensures structural integrity. Once the rebars are properly overlapped, steel wire is tightly wrapped around the intersection point to hold them together. Another method of connecting rebars is by using mechanical couplers. Mechanical couplers are pre-fabricated devices that are used to join two rebars together. These couplers provide a threaded connection, allowing for a more precise and efficient joining process. The rebars are inserted into the couplers, and then the couplers are tightened using a wrench or other appropriate tool. Welding is also used to connect rebars, especially in larger construction projects. Welding involves melting the rebars at the intersection point and fusing them together using heat and pressure. This method provides a strong and permanent connection, but it requires skilled labor and proper safety precautions to ensure the quality of the weld. Furthermore, in some cases, rebars can be connected using epoxy bonding. Epoxy bonding involves applying an adhesive material to the surface of the rebars and then pressing them together. The epoxy acts as a bonding agent, creating a strong and durable connection between the rebars. The method of connecting rebars during construction depends on various factors such as the size of the rebars, the specific requirements of the project, and the construction techniques being used. It is essential to follow industry standards and guidelines to ensure the proper connection and integrity of the rebars, as they play a critical role in reinforcing concrete structures.
- Q:Can steel rebars be used in wind turbine foundation construction?
- Yes, steel rebars can be used in wind turbine foundation construction. Steel rebars are commonly used to reinforce concrete structures, including foundations, due to their high tensile strength and durability. They help enhance the structural integrity and stability of the foundation, making it suitable for supporting the weight and dynamic loads of wind turbines.
- Q:Can steel rebars be used in structures with high chemical resistance requirements?
- When considering structures with high chemical resistance requirements, it is important to take into account the specific chemical environment in which the structure will be exposed. Although steel rebars generally have resistance to many common chemicals, certain aggressive substances like acids or alkaline solutions can cause corrosion and degradation of the rebar over time. Hence, alternative materials like stainless steel rebars or fiber-reinforced polymer (FRP) rebars may be necessary in such cases as they possess superior resistance to chemical attack. Moreover, to minimize the effects of chemical exposure on steel rebars, proper design, construction, and maintenance practices should be followed. Factors such as the type and concentration of chemicals, temperature, humidity, and exposure duration should all be carefully evaluated to determine if steel rebars are suitable for a structure with high chemical resistance requirements. To ensure the best choice of materials for the specific chemical environment, it is recommended to consult with a structural engineer or corrosion specialist.
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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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