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: How are steel rebars protected during the concrete pouring process?: During the concrete pouring process, steel rebars are protected in several ways to ensure their longevity and structural integrity. Firstly, before the concrete is poured, the rebars are carefully cleaned to remove any rust, dirt, or other contaminants that could compromise the bond between the rebar and the concrete. This is typically done by using a wire brush or other mechanical means. Once the rebars are cleaned, they are usually coated with a protective layer or coating. One common method is to apply an epoxy coating to the rebars. This coating acts as a barrier, preventing moisture and chemicals from reaching the steel and causing corrosion. Epoxy coatings are often used in high-risk environments such as marine structures or areas with high chloride content. Another method of protection involves using corrosion inhibitors. These inhibitors are added to the concrete mix, which then forms a protective layer around the rebars. The inhibitors work by reducing the corrosive effects of chloride ions, oxygen, and other chemicals that could lead to corrosion. Additionally, during the pouring process, it is important to ensure proper concrete cover over the rebars. Concrete cover refers to the thickness of the concrete layer between the surface and the rebar. Adequate concrete cover helps protect the rebars from exposure to moisture, chemicals, and other environmental factors. To achieve the required concrete cover, steel stirrups or spacers are placed around the rebars to maintain a specific distance between the rebar and the formwork. This ensures that the concrete is evenly distributed around the rebars, providing them with the necessary protection. In summary, steel rebars are protected during the concrete pouring process through various methods such as cleaning, applying protective coatings, using corrosion inhibitors, and maintaining proper concrete cover. These measures help to prevent corrosion and ensure the durability and strength of the reinforced concrete structure.

Q: What are the common mistakes to avoid when installing steel rebars?: Some common mistakes to avoid when installing steel rebars include improper placement or spacing of rebars, inadequate concrete cover, insufficient reinforcement overlap, incorrect bar bending or cutting, and neglecting to secure the rebars in place during concrete pouring. It is essential to follow the specifications and guidelines provided by structural engineers and adhere to industry standards to ensure proper reinforcement installation.

Q: What are the different types of steel used in the production of rebars?: There are typically three types of steel used in the production of rebars: carbon steel, low-alloy steel, and stainless steel. Carbon steel rebars are the most commonly used and have a high tensile strength. Low-alloy steel rebars contain additional elements like chromium, nickel, or molybdenum for enhanced strength and durability. Stainless steel rebars are corrosion-resistant and often used in environments with high exposure to moisture or chemicals.

Q: How are steel rebars protected during transportation?: Steel rebars are typically protected during transportation by being bundled together and securely strapped or tied. They are often placed on pallets or in steel crates to prevent damage or movement during transit. Additionally, they may be covered with protective wrapping or plastic sheets to shield them from moisture, dirt, or other environmental factors that could potentially cause corrosion or rust.

Q: What does "4E" mean on the rebar?: Hrb400e refers to three earthquake resistant steel bars. Compared with the ordinary reinforced phase, the biggest advantage is that the tensile strength and elongation are relatively large, for example, the tensile strength of common grade HRB400 three reinforcement requirements of more than 400 MPa; if hrb400e is aseismic reinforcement, the tensile strength is more than 550MPa.

Q: Can steel rebars be used in parking structure construction?: Yes, steel rebars can be used in parking structure construction. Steel rebars are commonly used in reinforced concrete structures, providing strength and durability to the construction. In parking structures, where heavy loads and traffic are expected, the use of steel rebars is critical to ensure the integrity and stability of the structure. These rebars are typically placed in the concrete slabs, walls, and columns of the parking structure, enhancing its load-bearing capacity and resistance to forces such as compression, tension, and bending. Additionally, steel rebars can also be used to reinforce the ramps, driveways, and other areas that require additional support in parking structures. Overall, the use of steel rebars is essential in parking structure construction to meet the required safety standards and ensure the longevity of the facility.

Q: What are the different methods of joining steel rebars in a structure?: There are several methods of joining steel rebars in a structure, including lap splicing, mechanical coupling, welded splicing, and grouted splice. Lap splicing involves overlapping the rebars and tying them together with steel wire or rebar couplers. Mechanical coupling uses threaded sleeves or couplers to connect the rebars together, providing a strong and reliable connection. Welded splicing is done by fusing the rebars together using heat and pressure, creating a permanent joint. Grouted splice involves embedding the rebars in a grout-filled sleeve or coupler, which provides additional strength and corrosion protection.

Q: What are the main properties of steel rebars?: Steel rebars, also referred to as reinforcing bars, play a vital role in reinforced concrete structures due to their numerous advantageous characteristics. Firstly, steel rebars possess a high tensile strength, which enables them to withstand substantial pulling forces and effectively reinforce concrete to prevent cracking and structural failure. Secondly, steel rebars exhibit exceptional ductility, meaning they can deform under stress without fracturing. This flexibility allows them to absorb energy during seismic events or extreme loads, enhancing the overall performance and resilience of the reinforced concrete. Moreover, steel rebars are manufactured with a protective layer, such as epoxy or galvanized coating, to ensure corrosion resistance. This property is crucial as exposure to moisture, chloride ions, and other corrosive elements can significantly weaken the rebars and compromise the structural integrity. In addition, steel rebars can be easily welded together, facilitating efficient and effective construction. This feature enables the rebars to be connected seamlessly, forming a continuous and robust reinforcement network that enhances the overall strength and stability of the concrete structure. Furthermore, steel rebars possess thermal compatibility with concrete, meaning they have similar expansion and contraction properties. This characteristic minimizes the risk of cracking or structural damage caused by temperature changes, ensuring the long-term durability and stability of reinforced concrete structures. Lastly, steel rebars are widely available and relatively cost-effective compared to alternative reinforcing materials. This affordability, combined with their exceptional mechanical properties, makes them a popular choice for structural reinforcement in various construction projects. In conclusion, steel rebars offer high tensile strength, ductility, corrosion resistance, weldability, thermal compatibility, and cost-effectiveness. These properties are indispensable for providing structural strength and durability to reinforced concrete structures.

Q: How are steel rebars used in the construction of oil and gas refineries?: Steel rebars are widely used in the construction of oil and gas refineries due to their strength and durability. These rebars, which are made of high-strength steel, provide reinforcement to concrete structures and enhance their load-bearing capacity. In oil and gas refineries, steel rebars are primarily used in the construction of various reinforced concrete structures such as foundations, columns, beams, slabs, and walls. These structures are crucial for supporting heavy equipment, storage tanks, processing units, and other essential components of the refinery. Rebars are embedded within the concrete during the construction process, forming a reinforced concrete framework that can withstand high loads, seismic activity, and extreme weather conditions. The steel reinforcement enhances the tensile strength of the concrete, making it more resistant to cracking and structural failure. The use of rebars also ensures the longevity of the refinery infrastructure. Oil and gas refineries operate in harsh environments with exposure to chemicals, high temperatures, and corrosive agents. Steel rebars possess excellent resistance to corrosion, which is essential for maintaining the structural integrity of the refinery over time. Additionally, rebars facilitate the construction of complex shapes and configurations required in refinery structures. They can be bent, cut, and molded to fit specific design requirements, enabling the creation of intricate concrete structures that are essential for the refinery's functionality. Overall, steel rebars play a vital role in the construction of oil and gas refineries by providing the necessary reinforcement to concrete structures. Their strength, durability, and resistance to corrosion make them ideal for withstanding the demanding conditions found in these facilities, ensuring the safety and longevity of the refinery infrastructure.

Q: How do steel rebars affect the overall load-bearing capacity of a structure?: The load-bearing capacity of a structure is greatly enhanced by steel rebars. These reinforcing bars are commonly added to concrete structures, such as beams, columns, and slabs, to add strength and durability. The main purpose of rebars is to resist tensile forces, which concrete alone cannot effectively handle. By embedding steel rebars in the concrete, the structure's overall load-bearing capacity significantly increases. When the structure is subjected to a load, the rebars evenly distribute the forces, preventing cracks and reducing the risk of structural failure. This reinforcement improves the structure's ability to withstand heavy loads, including the weight of the building, furniture, occupants, and external forces like wind and earthquakes. Additionally, rebars help control and limit the spread of cracks within the concrete. Concrete is strong in compression but weak in tension, so without rebars, it would easily crack under tensile stress. The rebars act as a reinforcement, absorbing some of the tensile forces and preventing the cracks from expanding, thus maintaining the overall strength of the structure. Furthermore, steel rebars enhance the ductility of the structure. Ductility refers to a material's ability to deform without breaking. When a structure experiences excessive loads or external factors cause deformation, the rebars absorb and dissipate the energy, allowing the structure to deform in a controlled manner instead of collapsing suddenly. To sum up, steel rebars significantly improve the load-bearing capacity of a structure by providing tensile strength, preventing crack propagation, and enhancing ductility. By reinforcing the concrete, rebars ensure that the structure can withstand heavy loads, increasing its strength, durability, and overall safety.

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