BS4449 UK Standard Steel Rebar from China

BS4449 UK Standard Steel Rebar from China System 1

BS4449 UK Standard Steel Rebar from China System 2

BS4449 UK Standard Steel Rebar from China System 3

BS4449 UK Standard Steel Rebar from China System 4

BS4449 UK Standard Steel Rebar from China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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BS4449 UK Standard Steel Rebar from China

Details of the BS4449 UK Standard Steel Rebar from China

Standard & Grade:	GB1499-98 : HRB335,HRB400,HRB500
	BS4449-1997 : GR460,GR500
	CAN/CSA-G30.18-M92 : 400W
	ASTM A615 : Gr.40, Gr.60
Diameter:	6mm;8mm;10mm;12mm;14mm;16mm;18mm;20mm;22mm;25mm;28mm;30mm;32mm;35mm;40mm
Length:	6m,9m,12m
Packing:	Bundle packing
Origin:	China
Application:	Construction,Road,Machinery processing,Welding fields.
Delivery time:	10-25 days
Shipment:	By bulk vessel or Container
Documents:	Mill Test Certificate,Commercial Invoice,Packing List,Certificate of Origin

Company Introduction of the BS4449 UK Standard Steel Rebar from China

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

BS4449 UK Standard Steel Rebar from China

Packaging & Delivery of the BS4449 UK Standard Steel Rebar from China

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: What is the process of anchoring steel rebars in concrete?: The process of anchoring steel rebars in concrete involves several steps. First, the rebars are cut to the required length and bent as per the structural design. Next, the concrete formwork is prepared, ensuring it is clean and free from any debris. Once the formwork is ready, the rebars are carefully placed and positioned within the formwork according to the specified spacing and alignment. They are usually supported by chairs or spacers to maintain the desired position. After the rebars are properly positioned, the formwork is secured, and concrete is poured, ensuring it completely surrounds and covers the rebars. The concrete is then allowed to cure and harden, providing a strong bond between the steel rebars and the concrete. Ultimately, the process of anchoring steel rebars in concrete involves proper planning, positioning, and securing of the rebars within the formwork, followed by pouring and curing of the concrete to create a robust and durable structure.

Q: How long do steel rebars typically last before corroding?: Steel rebars typically last a significant amount of time before corroding, but the exact duration can vary depending on several factors. Generally, rebars are designed to have a service life of around 50 to 100 years. However, this estimate can change based on the environment and conditions in which the rebars are exposed. Corrosion of steel rebars occurs when they are exposed to moisture, oxygen, and other corrosive elements, such as chloride ions. Factors such as humidity, temperature, pH level of the surrounding environment, and the presence of chemicals can all influence the rate at which corrosion occurs. In areas with high humidity or near coastal regions where saltwater spray is prevalent, rebars may corrode at a faster rate due to the presence of chloride ions. On the other hand, in dry and less corrosive environments, rebars may last longer before showing signs of corrosion. To enhance the durability and longevity of steel rebars, various corrosion prevention techniques and protective measures can be employed. These include applying coatings or paints to the rebars, using stainless steel rebars, incorporating corrosion inhibitors in the concrete mix, and ensuring proper concrete cover thickness to shield the rebars from environmental exposure. Regular maintenance and inspections are also essential to identify any signs of corrosion early on and take appropriate measures to repair or replace the affected rebars. Overall, the lifespan of steel rebars before corrosion is influenced by multiple factors, and proper preventive measures can significantly extend their durability.

Q: What is the lifespan of steel rebars in concrete?: The lifespan of steel rebars in concrete varies depending on various factors such as the quality of the rebar, the environment in which it is placed, and the level of maintenance it receives. However, in general, steel rebars in concrete can last for several decades before showing signs of deterioration or corrosion. Proper design, construction, and maintenance practices can significantly extend their lifespan.

Q: What are the different types of steel rebars used in industrial constructions?: The different types of steel rebars commonly used in industrial constructions include mild steel rebar, high-strength deformed steel rebar, epoxy-coated steel rebar, stainless steel rebar, and galvanized steel rebar.

Q: How do steel rebars resist shear forces in concrete structures?: Steel rebars resist shear forces in concrete structures by providing reinforcement and strengthening to the concrete. When concrete is subjected to shear forces, such as those caused by lateral loads or earthquakes, it tends to crack and fail along a diagonal plane. However, by including steel rebars within the concrete, these forces are resisted and distributed more effectively. The steel rebars act as a structural element that enhances the overall strength and stability of the concrete structure. They are typically placed in areas where shear forces are expected to be high, such as in beams, columns, and slabs. The rebars are placed in a crisscross pattern, forming a grid-like structure within the concrete. When shear forces act on the concrete, the rebars resist the tendency of the concrete to crack and separate by transferring the load across the cracks. The rebars act as a tension reinforcement, providing additional strength and preventing the concrete from failing. They distribute the shear forces more evenly, reducing the concentration of stress in specific areas and increasing the overall structural integrity. The bond between the steel rebars and the surrounding concrete is crucial for their effective resistance to shear forces. The rebars are designed with ridges or deformations along their surface to improve the bond strength with the concrete. This bond ensures that the rebars and the concrete act together as a single unit, allowing the transfer of shear forces from the concrete to the steel rebars. In summary, steel rebars resist shear forces in concrete structures by reinforcing and strengthening the concrete, distributing the shear forces more effectively, and preventing the concrete from cracking and failing. They provide additional strength, enhance the structural integrity, and ensure the overall stability of the concrete structure.

Q: What is the process of calculating the required quantity of steel rebars for a project?: The process of calculating the required quantity of steel rebars for a project involves several key steps. Firstly, you need to determine the design requirements and specifications of the project. This includes understanding the structural drawings, plans, and any relevant building codes or regulations. Next, you need to identify the specific areas where steel rebars will be used. This can include foundations, columns, beams, slabs, and any other structural elements that require reinforcement. Once the areas are identified, you need to calculate the total length of rebars required for each element. This is done by measuring the dimensions of the elements and determining the required spacing and overlap of the rebars. After obtaining the lengths, you need to consider the bar diameter and spacing requirements, as specified in the design. This will help you calculate the number of rebars needed for each element. In addition to the length and number of rebars, you also need to consider wastage and additional reinforcement requirements. It is common practice to add a percentage of wastage (usually around 2-5%) to account for cutting and bending of the rebars. You may also need to add extra bars for special conditions or to meet the design requirements. Finally, you should create a detailed bar bending schedule (BBS) that includes all the necessary information such as bar sizes, lengths, shapes, and placement details. This schedule acts as a guide for the construction team during the installation process. It is important to note that the process of calculating the required quantity of steel rebars may vary depending on the complexity and size of the project. It is recommended to consult with a structural engineer or a professional rebar detailer to ensure accurate calculations and adherence to the project's specifications.

Q: What is the standard size of a steel rebar?: The standard size of a steel rebar typically ranges from 6mm to 50mm in diameter.

Q: What is the composition of steel rebars?: Steel rebars, also known as reinforced steel bars or reinforcing bars, are commonly used in construction projects to provide strength and reinforcement to concrete structures. The composition of steel rebars typically consists of primarily iron, with varying amounts of carbon and other alloying elements. The main component of steel rebars is iron, which provides the base material for their construction. Iron is combined with carbon to form steel, and the carbon content in rebars is generally around 0.2-0.3% by weight. This carbon content helps enhance the strength and hardness of the steel, making it suitable for reinforcing concrete structures. In addition to iron and carbon, steel rebars may also contain small amounts of other alloying elements, such as manganese, silicon, and sulfur. These elements are added in controlled quantities to improve specific properties of the steel, such as its durability, corrosion resistance, and weldability. Moreover, steel rebars are often produced with a ribbed or deformed surface to enhance their bond with the surrounding concrete. These surface deformations create a mechanical interlock between the rebar and the concrete, increasing the overall strength and stability of the reinforced structure. It is important to note that the exact composition of steel rebars may vary depending on the specific grade or standard being followed. Different countries and organizations may have their own specifications for steel rebars, which can dictate the allowable range of alloying elements and other parameters. Overall, the composition of steel rebars primarily consists of iron, carbon, and small amounts of other alloying elements, with the specific details varying based on the grade and standard being used.

Q: What is the role of steel rebars in preventing structural failures?: The construction industry relies heavily on steel rebars to prevent structural failures. These reinforcing bars, also known as steel rebars, are vital for strengthening and reinforcing concrete structures, ensuring their durability and ability to withstand various forces. One of the main functions of steel rebars is to improve the tensile strength of concrete. While concrete is excellent for compression, it lacks strength in tension. By incorporating steel rebars into concrete structures, this weakness can be overcome by providing resistance to tensile forces. Acting as reinforcements, steel rebars effectively absorb and distribute tensile stresses throughout the structure, preventing the formation of cracks and fractures, and ultimately averting structural failures. Moreover, steel rebars play a critical role in enhancing overall structural stability and preventing failures. By reinforcing concrete, rebars enhance the structural integrity and increase the load-bearing capacity of the structure. This allows the structure to withstand heavier loads and forces, including those caused by natural disasters, extreme weather conditions, or human activities. Steel rebars are also indispensable in preventing structural failures resulting from corrosion. Concrete structures are exposed to various environmental factors, such as moisture, chemicals, and salts, which can cause corrosion of the reinforcing steel. However, as steel rebars are typically coated or protected with anti-corrosive materials, they act as a barrier against corrosion, ensuring the long-term durability and integrity of the structure. Furthermore, steel rebars contribute to preventing structural failures by providing stability during construction. They are strategically placed within the concrete forms at critical points and areas susceptible to high stress. This ensures that the structure remains stable and can withstand the loads and forces exerted during and after construction. In conclusion, the role of steel rebars in preventing structural failures is multifaceted. They enhance the tensile strength of concrete, increase structural stability, prevent corrosion, and provide stability during construction. By reinforcing concrete, steel rebars significantly contribute to the overall strength, durability, and safety of structures, ultimately averting structural failures and ensuring the longevity of the built environment.

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.

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