High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction System 1

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High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

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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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High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Details of the High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

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 High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

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.

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Packaging & Delivery of the High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

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: How do steel rebars affect the environmental sustainability of a structure?: Steel rebars can have both positive and negative impacts on the environmental sustainability of a structure. On one hand, steel rebars are a sustainable choice as they are made from recycled materials. Steel is one of the most recycled materials in the world, which helps in reducing the demand for virgin resources and the associated environmental impacts of extraction and processing. Additionally, steel rebars are highly durable and have a long lifespan, which means that structures reinforced with steel rebars require less maintenance and replacement over time. This reduces the overall environmental impact associated with the construction and demolition of structures. On the other hand, the production of steel rebars has some negative environmental consequences. The manufacturing process involves high energy consumption, carbon emissions, and the release of pollutants into the atmosphere. The extraction and processing of iron ore, as well as the conversion of iron into steel, can contribute to deforestation, air and water pollution, and habitat destruction. However, the negative impacts of steel rebars can be mitigated through sustainable manufacturing practices. For example, using energy-efficient technologies, utilizing renewable energy sources, and implementing strict emissions controls can help reduce the environmental footprint of steel production. Moreover, the environmental sustainability of a structure also depends on the overall design and construction practices. By adopting sustainable design principles, such as optimizing the use of materials, minimizing waste, and incorporating energy-efficient features, the negative impacts of steel rebars can be further reduced. In conclusion, while steel rebars have some negative environmental impacts in their production process, their use in construction offers several sustainability benefits such as recycling, durability, and reduced maintenance needs. By adopting sustainable manufacturing practices and integrating them into environmentally conscious design and construction practices, the overall environmental sustainability of structures can be greatly enhanced.

Q: How do steel rebars affect the overall weight of a concrete structure?: Steel rebars typically increase the overall weight of a concrete structure. This is because steel rebars add additional mass to the concrete, making it heavier. However, the weight increase is generally proportionate to the added strength and durability that the rebars provide, making them essential for reinforcing the structure and improving its structural integrity.

Q: Are there any standards or specifications for steel rebars?: Yes, there are several standards and specifications for steel rebars. The most commonly used standards worldwide include the ASTM A615/A615M and ASTM A706/A706M in the United States, BS 4449:2005 in the United Kingdom, and JIS G3112 in Japan. These standards outline the mechanical properties, dimensions, and quality requirements for steel rebars used in construction projects.

Q: What are the different types of steel rebars used in beam reinforcement?: Different types of steel rebars are commonly utilized for beam reinforcement. These include: 1. Mild Steel Rebars (MSR): Low carbon steel is used to produce these rebars, which are widely employed due to their affordability and availability. They possess a yield strength of 250 MPa and are suitable for general construction purposes. 2. High Yield Strength Rebars (HYSD): These rebars exhibit a higher yield strength in comparison to mild steel rebars, typically ranging from 415 MPa to 600 MPa. They find common usage in heavy-duty and high-stress applications, such as bridges and high-rise buildings. 3. Carbon Steel Rebars: Carbon steel rebars are manufactured from steel with a higher carbon content than mild steel rebars. They offer enhanced strength and ductility, making them appropriate for areas prone to corrosion and seismic zones. 4. Stainless Steel Rebars: Stainless steel rebars are produced using steel with a high chromium content and other alloying elements. They possess excellent corrosion resistance, making them ideal for structures exposed to harsh environments like marine applications or chemical plants. 5. Epoxy-Coated Rebars: These rebars are coated with an epoxy layer to provide additional protection against corrosion. Epoxy-coated rebars are frequently utilized in structures exposed to moisture or chloride-rich environments, such as coastal regions or areas with deicing salts. It is crucial to consider the specific requirements and conditions of the project when selecting the type of steel rebar for beam reinforcement. It is recommended to consult with structural engineers or industry professionals to ensure the appropriate material is chosen for optimal performance and longevity of the reinforced beam.

Q: How do steel rebars improve the structural integrity of a building?: Enhancing the structural integrity of buildings, steel rebars, also known as reinforcement bars, play a crucial role. Used in concrete construction, they provide strength, durability, and resistance against different forces that a structure may face. One way in which steel rebars enhance the structural integrity of a building is by increasing its load-bearing capacity. When rebars reinforce concrete, it becomes more capable of withstanding heavy loads and forces generated by gravity, wind, earthquakes, or dynamic loads from human activities. Acting as a network of reinforcement, the rebars distribute the load evenly throughout the structure, preventing excessive deflection and minimizing the risk of structural failure. Furthermore, steel rebars improve the tensile strength of concrete, which is traditionally weak in tension. While concrete is excellent at bearing compression forces, it lacks the ability to efficiently resist pulling or stretching forces. By incorporating rebars into the concrete, the combination of materials works together to withstand compression and tension forces more effectively. This prevents cracks and fractures from spreading in the concrete, as the rebars act as a support system that holds the structure together. Another advantage of using steel rebars is their resistance to corrosion. Steel is highly durable and can withstand harsh environmental conditions, reducing the risk of degradation over time. This ensures the longevity of the building's structural elements and reduces the need for expensive repairs or replacements. Additionally, steel rebars offer flexibility in design and construction. They can be molded into various shapes and sizes to meet specific structural requirements, allowing for optimal distribution of reinforcement where it is most needed. This flexibility enables architects and engineers to design buildings that are aesthetically pleasing and safe, without compromising on structural integrity. In conclusion, steel rebars significantly enhance the structural integrity of buildings by increasing load-bearing capacity, improving tensile strength, resisting corrosion, and providing design flexibility. By reinforcing concrete, they ensure that structures are better equipped to withstand various forces and maintain stability and safety over time.

Q: Can steel rebars be used in cold weather conditions?: Yes, steel rebars can be used in cold weather conditions. Steel is known for its durability and strength, making it a suitable material for construction projects even in cold climates. However, it is important to take certain precautions when using steel rebars in cold weather. For instance, the rebars should be properly stored and protected from moisture to prevent rusting. Additionally, the concrete mix used with the rebars should be adjusted to ensure it can withstand freezing temperatures and avoid cracking. Overall, with proper planning and precautions, steel rebars can be effectively used in cold weather conditions.

Q: How are steel rebars classified based on their yield strength?: Steel rebars are classified based on their yield strength by assigning them grades or designations, such as Grade 40, Grade 60, or Grade 75. These grades indicate the minimum yield strength in thousands of pounds per square inch (ksi) that the rebars are able to withstand before permanent deformation occurs.

Q: How many roots per ton of 18 thread steel?: 18 of the rebar is one meter with a weight of 2kg

Q: How are steel rebars transported to the construction site?: Steel rebars, also known as reinforcing bars, are typically transported to construction sites using various methods. One common method is by truck transportation. The rebars are loaded onto flatbed trucks or trailers and secured using straps or chains to prevent any movement during transit. These trucks are specifically designed with sturdy frames and loading mechanisms to handle the weight and length of the rebars. Another method is by rail transportation. Steel rebars can be loaded onto rail cars, either on flatcars or in specialized containers, and transported to the construction site. This method is often used for long-distance transportation, as it is more cost-effective and efficient for large quantities of rebars. In some cases, rebars can also be transported by sea or barge for construction projects located near waterways. They are loaded onto ships or barges and secured to prevent any damage or movement during transit. This method is commonly used for projects that require large quantities of rebars or for construction sites located on islands or in coastal areas. Once the steel rebars arrive at the construction site, they are typically unloaded using cranes or forklifts. The rebars are then stored in designated areas or directly used for reinforcement in the construction process. It is essential to handle the transportation of rebars with care to ensure their structural integrity and prevent any potential accidents or damage during transit.

Q: What is the effect of carbonation on steel rebars?: The effect of carbonation on steel rebars is primarily detrimental. Carbonation refers to the process in which carbon dioxide from the atmosphere reacts with the alkaline compounds in concrete, lowering its pH level. This reduction in pH causes a gradual decrease in the passivation layer of steel rebars, which is a protective layer that prevents corrosion. When the passivation layer is compromised due to carbonation, the steel rebars become more susceptible to corrosion. Carbon dioxide reacts with moisture in the concrete, producing carbonic acid, which further lowers the pH level and accelerates the corrosion process. As corrosion progresses, the steel rebars can lose their structural integrity, compromising the overall strength and durability of the concrete structure. The expansion of corrosion products can also exert pressure on the surrounding concrete, leading to cracking and spalling. This can expose the steel rebars to more moisture and oxygen, exacerbating the corrosion process. Furthermore, carbonation can also reduce the effectiveness of any protective coatings applied on the rebars, making them even more vulnerable to corrosion. To mitigate the effects of carbonation on steel rebars, several preventive measures can be taken. These include using concrete with a lower permeability to carbon dioxide, ensuring proper concrete cover thickness, and using corrosion-resistant steel with a higher level of chromium and/or other alloying elements. Regular monitoring and maintenance of the concrete structures are also essential to detect and address any signs of corrosion at an early stage. In summary, carbonation can have a detrimental effect on steel rebars by compromising the passivation layer, leading to corrosion and weakening of the structure. Therefore, it is crucial to implement preventive measures and regular maintenance to ensure the long-term durability and safety of steel-reinforced concrete structures.

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