ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar System 1

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar System 2

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar System 3

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar System 4

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

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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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ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

Details of the ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

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 ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

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.

ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

Packaging & Delivery of the ASTM A706, 460B,500B,GR40,GR50 Deformed Steel Bar

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: Are steel rebars easy to handle and install on-site?: Yes, steel rebars are generally easy to handle and install on-site. They are commonly used in construction projects for reinforcing concrete structures, such as buildings, bridges, and roads. Steel rebars are available in various sizes and lengths, making them versatile and easy to work with. They can be easily cut, bent, and shaped to fit the required specifications and design of the structure. Additionally, steel rebars are lightweight compared to other materials used for reinforcement, making them easier to transport and maneuver on-site. They also have excellent tensile strength, which ensures structural stability and durability. However, it is important to note that proper safety precautions should be taken when handling and installing steel rebars, as they can be sharp and pose a risk of injury if not handled correctly.

Q: Can steel rebars be used in offshore oil and gas platforms?: Offshore oil and gas platforms can indeed utilize steel rebars. Steel rebars are widely employed in construction projects to fortify concrete structures, and offshore platforms are no exception. These platforms face diverse environmental and operational factors, including wave loads, wind forces, and seismic activities. By utilizing steel rebars, the structural integrity of the platforms can be bolstered, thereby enhancing overall stability. Nevertheless, it is of utmost importance to use corrosion-resistant steel rebars in offshore applications due to the harsh marine environment. The presence of saltwater, humidity, and exposure to chemicals can expedite the corrosion process. Hence, it is common practice to opt for stainless steel rebars or epoxy-coated rebars for offshore platforms, ensuring long-term durability and preventing corrosion-related complications. Moreover, it is imperative to adhere to pertinent industry standards and regulations when employing steel rebars in offshore oil and gas platforms. These standards stipulate specific requirements for material selection, fabrication, installation, and inspection, guaranteeing the safety and reliability of the structures. To sum up, steel rebars can effectively reinforce concrete structures and enhance the strength and stability of offshore oil and gas platforms. However, the selection of corrosion-resistant steel rebars and compliance with industry standards are crucial factors to withstand the demanding marine environment and maintain the platforms' long-term integrity.

Q: What are the common types of steel rebars used in bridge construction?: In bridge construction, steel rebars are widely used, and various types are commonly employed. These types include: 1. Carbon Steel Rebars: These rebars, made of carbon steel, are the most frequently utilized in bridge construction due to their exceptional strength and durability. They are renowned for their impressive tensile strength and ability to withstand heavy loads. 2. Stainless Steel Rebars: Corrosion-resistant and possessing a high resistance to environmental factors like moisture and chemicals, stainless steel rebars are commonly used in bridge construction projects located in coastal areas or environments with high pollution levels. 3. Epoxy-Coated Rebars: By applying a layer of epoxy to carbon steel rebars, corrosion protection is provided. Epoxy-coated rebars find common usage in bridges exposed to harsh environmental conditions, such as those situated in coastal areas or subjected to de-icing salts. 4. Galvanized Rebars: Carbon steel rebars coated with a layer of zinc are known as galvanized rebars. This coating offers excellent corrosion resistance, making galvanized rebars suitable for bridge construction projects located in corrosive environments. 5. Fiberglass Rebars: Fiberglass rebars consist of glass fibers embedded in a polymer resin matrix. These rebars are lightweight, corrosion-resistant, and possess a high strength-to-weight ratio. Fiberglass rebars are often employed in bridge construction projects where reducing weight is a crucial consideration. Each type of rebar has its own advantages and is selected based on the specific requirements of the bridge construction project. Factors such as environmental conditions, load-bearing capabilities, and durability requirements play a significant role in the selection process.

Q: What are the guidelines for reinforcing concrete slabs with steel rebars?: The guidelines for reinforcing concrete slabs with steel rebars involve several key considerations. Firstly, it is important to determine the required amount of reinforcement based on the load that the slab will be subjected to. This load can be calculated using structural engineering principles and taking into account factors such as the intended use of the slab, the weight of any equipment or vehicles that will be placed on it, and any applicable building codes or regulations. Once the required amount of reinforcement is determined, the next step is to design the layout of the rebars. This involves spacing the rebars at specified intervals to ensure uniform distribution of the load across the slab. The spacing will depend on the thickness of the slab, with thicker slabs generally requiring a greater number of rebars. Additionally, it is important to include minimum clearances between the rebars and the edges or bottom of the slab to prevent corrosion and ensure proper concrete cover. The size and type of rebars used is also an important consideration. Commonly used types include plain round bars, deformed bars, or welded wire fabric. The diameter of the rebars and the grade of steel should be selected based on the expected load and the requirements of the project specifications or building codes. During the construction process, it is crucial to properly place and secure the rebars within the formwork to maintain their intended position. This may involve the use of chairs, spacers, or other devices to ensure proper alignment and prevent displacement. Additionally, care should be taken to avoid any damage to the rebars during the concrete pouring and finishing process. Finally, it is important to inspect and test the reinforced concrete slab to ensure that the rebars are properly installed and meet the required specifications. This may involve visual inspections, as well as non-destructive testing methods such as ultrasound or ground-penetrating radar to verify the integrity and position of the rebars. Overall, following these guidelines for reinforcing concrete slabs with steel rebars will help to ensure the structural integrity and longevity of the slab, while also meeting the necessary safety and building code requirements.

Q: Are steel rebars subject to any international standards or regulations?: Yes, steel rebars are subject to international standards and regulations. The most widely recognized international standard for steel rebars is the ISO 6935-2 standard, which sets requirements for the chemical composition, mechanical properties, and dimensions of rebars. Additionally, various countries have their own national standards and regulations that ensure the quality and safety of steel rebars used in construction projects.

Q: What are the different types of steel rebars used in railway bridges?: There are several types of steel rebars used in railway bridges, including plain carbon steel rebars, epoxy-coated rebars, and stainless steel rebars. Each type of rebar offers unique properties and benefits to ensure the durability and strength of railway bridges.

Q: What is the impact of steel rebars on the overall sustainability of a building?: Steel rebars have a significant impact on the overall sustainability of a building due to their various environmental, economic, and social implications. Firstly, steel rebars contribute to the durability and resilience of the structure, enhancing the longevity of the building. This means that the building will require fewer repairs and renovations over its lifespan, reducing the need for additional resources and minimizing waste. In terms of environmental impact, steel rebars can be recycled, reducing the demand for new steel production and the associated carbon emissions. Recycling steel rebars also saves energy and reduces the extraction of raw materials, such as iron ore and coal. Additionally, steel rebars can be salvaged and reused in other construction projects, further extending their lifespan and reducing waste. From an economic standpoint, the use of steel rebars can lead to cost savings in construction and maintenance. Steel is a versatile and strong material, allowing for lighter and more efficient designs, which can result in reduced material and labor costs. Moreover, the recyclability and salvagability of steel rebars can provide economic benefits through the resale or repurposing of the material. Furthermore, steel rebars play a crucial role in ensuring the safety and structural integrity of buildings, especially in areas prone to earthquakes or high winds. By providing reinforcement to concrete, steel rebars enhance the resistance of the building to external forces, reducing the risk of collapse or damage during natural disasters. This aspect of safety is essential for the wellbeing of occupants and the community at large. In conclusion, steel rebars have a positive impact on the overall sustainability of a building. They contribute to durability, reduce environmental impacts through recycling and reuse, offer economic benefits, and enhance the safety of the structure. Incorporating steel rebars in construction projects can significantly improve the long-term sustainability and resilience of buildings.

Q: What is the weight of a typical steel rebar?: The size and length of a steel rebar can cause its weight to fluctuate. Nevertheless, a frequently employed size is the #4 rebar, boasting a 1/2 inch diameter. A #4 rebar usually carries a weight of approximately 0.67 pounds per foot or 9.5 pounds per 14-foot span. It is crucial to keep in mind that weights will vary for distinct sizes of steel rebar, thus necessitating consideration of the precise size and length in weight determination.

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: What is the effect of carbonation on steel rebars?: The primary impact of carbonation on steel rebars is negative. Carbonation is the process by which carbon dioxide from the atmosphere reacts with the alkaline compounds in concrete, resulting in a decrease in its pH level. This pH reduction gradually diminishes the protective layer of steel rebars known as the passivation layer. When carbonation compromises the passivation layer, the steel rebars become more susceptible to corrosion. Carbon dioxide reacts with moisture in the concrete, generating carbonic acid, which further lowers the pH level and speeds up the corrosion process. As corrosion advances, the steel rebars may lose their structural integrity, compromising the overall strength and durability of the concrete structure. Additionally, the expansion of corrosion products can apply pressure on the surrounding concrete, causing cracking and spalling. This exposes the steel rebars to more moisture and oxygen, exacerbating the corrosion process. Furthermore, carbonation can diminish the effectiveness of any protective coatings applied to the rebars, making them even more prone to corrosion. To mitigate the effects of carbonation on steel rebars, various preventive measures can be implemented. These measures include using concrete that is less permeable to carbon dioxide, ensuring appropriate concrete cover thickness, and employing corrosion-resistant steel with higher levels of chromium and/or other alloying elements. Regular monitoring and maintenance of concrete structures are also crucial to detect and address any signs of corrosion at an early stage. In conclusion, carbonation can have an adverse impact on steel rebars by compromising the passivation layer, resulting in corrosion and weakening of the structure. Therefore, it is essential to implement preventive measures and regularly maintain steel-reinforced concrete structures to ensure their long-term durability and safety.

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