ASTM A615 Grade60 Mild Deformed Steel Rebar

ASTM A615 Grade60 Mild Deformed Steel Rebar System 1

ASTM A615 Grade60 Mild Deformed Steel Rebar System 2

ASTM A615 Grade60 Mild Deformed Steel Rebar System 3

ASTM A615 Grade60 Mild Deformed Steel Rebar System 4

ASTM A615 Grade60 Mild Deformed Steel Rebar

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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 A615 Grade60 Mild Deformed Steel Rebar

Details of the ASTM A615 Grade60 Mild Deformed Steel Rebar

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 A615 Grade60 Mild Deformed Steel Rebar

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 A615 Grade60 Mild Deformed Steel Rebar

Packaging & Delivery of the ASTM A615 Grade60 Mild Deformed Steel Rebar

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 are steel rebars used in construction?: Steel rebars, also known as reinforcing bars, play a crucial role in construction projects. They are primarily used to reinforce concrete structures and provide strength and stability to building elements such as beams, columns, slabs, and foundations. In construction, rebars are typically laid in a grid pattern within the concrete formwork before pouring the concrete. This grid formation allows the rebars to distribute the tensile forces that occur in concrete structures, preventing cracking and enhancing structural integrity. The rebars are carefully placed at specific locations within the concrete elements based on the design and engineering specifications. They are generally spaced apart at predetermined intervals to ensure optimal reinforcement and to bear the anticipated loads. During the concrete pouring process, the wet concrete fully envelops the rebars, creating a bond between the two materials. As the concrete hardens and cures, it tightly grips the rebars, creating a composite structure that can resist bending, shearing, and other types of stress. Steel rebars are available in various sizes and grades, depending on the specific requirements of the construction project. They are typically made from carbon steel and may have different surface finishes to enhance their bonding capabilities with concrete. In addition to providing strength, rebars also help in controlling cracking caused by shrinkage, temperature changes, and external forces. By absorbing and distributing these forces, they minimize the risk of structural failure and ensure the overall stability and durability of the concrete components. Overall, steel rebars are essential components in construction as they reinforce concrete structures, increase load-bearing capacity, and enhance the longevity of buildings and infrastructure. Their proper placement and utilization are critical for building resilience, safety, and structural integrity.

Q: What is the impact of steel rebars on the overall sustainability of a project?: Steel rebars have a significant impact on the overall sustainability of a project. As a crucial component in construction, steel rebars contribute to the strength, durability, and longevity of structures. This reduces the need for frequent repairs or replacements, leading to a lower environmental impact over the project's lifecycle. Moreover, steel rebars can be recycled, reducing the demand for raw materials and minimizing waste. By enhancing the structural integrity and promoting eco-friendly practices, steel rebars positively contribute to the sustainability of a project.

Q: What is the impact of steel rebars on the overall carbon footprint of a building?: Steel rebars have a significant impact on the overall carbon footprint of a building. The production of steel involves high carbon emissions, contributing to greenhouse gas emissions and climate change. Additionally, the extraction of raw materials and the transportation of steel rebars further increase carbon emissions. However, steel rebars provide structural strength and durability, reducing the need for future repairs or replacements. Therefore, while the use of steel rebars does contribute to the carbon footprint, proper construction practices and efficient use of materials can help mitigate their environmental impact.

Q: Can steel rebars be used in sound barrier walls?: Yes, steel rebars can be used in sound barrier walls. Steel rebars provide structural strength and stability to the walls, making them suitable for withstanding external forces and vibrations. Additionally, the steel rebars help in reinforcing the concrete used in the walls, enhancing their durability and longevity.

Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?: The guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements include ensuring the rebars meet the required specifications and standards for strength, size, and corrosion resistance. They should be properly anchored and positioned within the concrete element according to the design specifications. Additionally, care should be taken to avoid damaging or stressing the rebars during the construction process, and proper curing and protection measures should be implemented to prevent corrosion and ensure the longevity of the structure.

Q: Can steel rebars be used in structures with limited construction timeframes?: Structures with limited construction timeframes can indeed utilize steel rebars. These rebars are frequently employed in construction projects due to their remarkable tensile strength, making them ideal for reinforcing concrete structures. Speedy and efficient installation is achievable with steel rebars, enabling faster construction compared to alternative reinforcement materials. Moreover, steel rebars offer durability and long-term stability, guaranteeing the integrity of the structure, even in time-constrained projects. Hence, employing steel rebars proves to be an effective solution for structures with limited construction timeframes, as they deliver both strength and swiftness in the construction process.

Q: What are the common manufacturing processes for steel rebars?: Steel rebars are manufactured through a series of steps to guarantee the production of durable and high-quality reinforcement bars. These steps usually consist of the following: 1. Melting: Initially, raw materials such as iron ore, coal, and limestone are melted in a blast furnace. This process yields molten iron, which is further refined to eliminate impurities. 2. Casting: Subsequently, the refined molten iron is poured into molds, creating large billets or blooms. These molds, commonly known as continuous casting machines, solidify the molten iron into a rectangular form. 3. Rolling: The solidified billets or blooms are then heated and passed through rolling mills. Through this rolling process, the steel is compressed between a series of rollers, reducing its thickness and shaping it into the desired dimensions of rebars. Additionally, this process enhances the mechanical properties of the steel while eliminating any internal defects or impurities. 4. Quenching and Tempering: Following the initial rolling, the rebars may undergo quenching and tempering. Quenching involves rapidly cooling the steel bars by immersing them in water or oil. This step increases the hardness of the rebars, making them more resistant to deformation and wear. Subsequently, tempering involves reheating the quenched bars to a specific temperature and gradually cooling them. This process eliminates internal stresses and improves the toughness of the rebars. 5. Cutting and Coiling: Once the rebars have been rolled and heat-treated, they are cut to the desired lengths using cutting machines. The cut rebars are then either coiled into bundles or stacked for storage and transportation. 6. Surface Treatment: Manufacturers often apply a protective coating or surface treatment to enhance the corrosion resistance of rebars. This can be achieved through hot-dip galvanizing, where the rebars are immersed in molten zinc to form a zinc coating, or epoxy coating, where a layer of epoxy resin is applied to the rebars. It is crucial to note that these manufacturing processes may vary depending on the specific requirements and standards set by different countries and industries. Nevertheless, the aforementioned steps provide a general overview of the common processes involved in manufacturing steel rebars.

Q: How do steel rebars affect the overall durability of concrete?: Concrete structures benefit greatly from the presence of steel rebars, as they significantly contribute to their overall durability. Steel rebars enhance the strength of concrete and its ability to resist external forces and environmental conditions. One of the main functions of steel rebars is to provide tensile strength to concrete, which is naturally weak in resisting tension. Concrete is known for its excellent compressive strength but tends to crack under tension. By embedding steel rebars within the concrete, these cracks are effectively controlled and prevented from expanding, ultimately improving the durability of the structure. Steel rebars also increase the flexural strength of concrete, allowing it to withstand bending and deformations more effectively. This is particularly important in structures such as beams, columns, and slabs that experience significant loads and forces throughout their lifespan. Furthermore, steel rebars act as reinforcement in concrete, enhancing its resistance to external factors like earthquakes, wind, and impact loads. The presence of rebars helps distribute and dissipate these forces throughout the structure, reducing the risk of structural failure and increasing overall durability. Another crucial aspect is the prevention of corrosion in reinforced concrete structures. Steel rebars are typically coated with materials that protect them from corrosion caused by moisture and chemical reactions. This protective coating, combined with the alkaline environment of concrete, forms a barrier that significantly slows down the corrosion process, ultimately increasing the longevity and durability of the concrete structure. To conclude, steel rebars play a vital role in enhancing the overall durability of concrete structures. They provide necessary tensile strength, improve flexural strength, enhance resistance to external forces, and prevent corrosion. Incorporating steel rebars makes concrete more robust, long-lasting, and capable of withstanding various challenges, ensuring the longevity and safety of the structure.

Q: How are steel rebars transported and stored on construction sites?: Steel rebars are typically transported to construction sites using trucks or trailers. These vehicles are designed to safely carry and unload the heavy and bulky rebars. Upon arrival at the site, the rebars are usually offloaded using cranes or forklifts. To ensure efficient storage and easy access, rebars are often stored in designated areas called rebar yards. These yards are typically organized in a way that allows for easy identification and retrieval of rebars when needed. The rebars are sorted and stacked according to their size, length, and type to prevent any confusion during construction. In the rebar yard, rebars are commonly stored horizontally on steel or wooden racks. The racks are designed to provide proper support and prevent damage to the rebars. It is important to note that rebars should be stored above ground level to protect them from moisture, rust, and contamination. They should also be kept away from any damp areas or direct contact with soil. To maintain the quality of the rebars, it is crucial to protect them from exposure to rain, snow, and excessive sunlight. Therefore, construction sites often use protective covers, such as tarps or plastic sheets, to shield the rebars and prevent any corrosion or deterioration. Additionally, construction workers must handle rebars with care to avoid any bending or deformation. Special attention should be given to prevent rebars from being dropped or dragged, as it can compromise their structural integrity. Overall, the transportation and storage of steel rebars on construction sites require careful planning and adherence to safety guidelines to ensure their quality and effectiveness in reinforcing concrete structures.

Q: Can steel rebars be used in structures with limited construction technology?: Yes, steel rebars can be used in structures with limited construction technology. Steel rebars are commonly used in construction to reinforce concrete structures, providing strength and durability. They are versatile and can be used in various types of structures, such as buildings, bridges, and dams. In areas with limited construction technology, the use of steel rebars can still be feasible. The basic process of placing rebars involves bending and cutting them to the required sizes and shapes, and then placing them within the concrete forms before pouring the concrete. This process can be carried out using basic tools and equipment that are typically available in construction sites with limited resources. Additionally, the availability of steel rebars in various sizes and grades allows for flexibility in design and construction, making them suitable for a wide range of structures. The use of steel rebars ensures that the concrete structure can withstand various loads and forces, enhancing its overall strength and durability. While the availability of advanced construction technology may enhance the efficiency and precision of the construction process, it is not a prerequisite for using steel rebars. With proper training and expertise, construction workers can effectively use steel rebars in structures, even with limited technology, to create safe and reliable structures.

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