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 cut to specific lengths?: Steel rebars are cut to specific lengths using a variety of tools and techniques such as hydraulic shears, cutting torches, or circular saws equipped with abrasive blades. These tools allow for precise and accurate cuts to be made, ensuring that the rebars meet the required specifications for construction projects.

Q:What is the difference between the material of steel thread and its use?: The grade of thread steel is composed of the minimum value of the yield point of HRB and brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into HRB335 (old No. 20MnSi), HRB400 (20MnSiV, 20MnSiNb, veteran, 20Mnti), HRB500 three brands.

Q:What are the different types of steel rebars used in road construction?: Road construction utilizes various types of steel rebars, each possessing unique characteristics and advantages. Some commonly employed variants encompass: 1. Mild Steel Rebars: These, also recognized as carbon steel rebars, represent the prevailing choice in road construction. With a low carbon content and affordability, they are suitable for diverse applications, offering commendable strength and ductility. 2. High Strength Deformed (HSD) Rebars: Distinguishing themselves through enhanced tensile strength in comparison to mild steel rebars, these are produced by mechanically treating mild steel bars, including hot rolling, quenching, and tempering. HSD rebars satisfy the demand for elevated load-bearing capacity, such as in bridge construction. 3. Stainless Steel Rebars: Boasting a high chromium content, these rebars possess corrosion resistance. They prove particularly advantageous in regions with high humidity, coastal areas, or locations exposed to corrosive substances, albeit at a higher cost compared to alternative types. Their allure lies in long-term durability. 4. Epoxy-Coated Rebars: For protection against corrosion, these rebars undergo epoxy coating. This coating creates a barrier, safeguarding the steel from the environment and moisture, thereby preventing penetration by corrosive elements. In concrete pavements, epoxy-coated rebars extend road longevity. 5. Galvanized Rebars: These rebars undergo zinc coating, affording them protection against corrosion. The zinc layer acts sacrificially, preventing the steel from encountering corrosive elements. Road construction projects necessitating corrosion resistance, particularly in moist or chemically-exposed areas, commonly employ galvanized rebars. Selecting the appropriate steel rebars for road construction projects hinges upon specific requirements. Factors such as load-bearing capacity, environmental conditions, and budgetary considerations significantly influence the rebars' optimal type.

Q:Can steel rebars be used in dams and reservoirs construction?: Yes, steel rebars can be used in dams and reservoirs construction. Steel rebars are commonly used in concrete construction projects, including dams and reservoirs, due to their high tensile strength and durability. Dams and reservoirs require materials that can withstand the immense pressure exerted by the water, and steel rebars provide the necessary reinforcement to ensure the structural integrity of the concrete. These rebars are typically embedded within the concrete to provide additional strength and prevent cracking or collapse. Additionally, steel rebars are resistant to corrosion, which is crucial in dam and reservoir construction as they are often exposed to water for extended periods. Overall, steel rebars are an essential component in the construction of dams and reservoirs, as they enhance the strength and longevity of the structures.

Q:What are the different types of steel rebars available for different applications?: There are several types of steel rebars available for different applications, including carbon steel rebars, epoxy-coated rebars, stainless steel rebars, and galvanized rebars. Each type has its own unique properties and benefits, making them suitable for various construction projects based on factors like corrosion resistance, strength requirements, and environmental conditions.

Q:How do steel rebars enhance the bond between concrete and reinforcement?: Steel rebars enhance the bond between concrete and reinforcement through various mechanisms. Firstly, the presence of rebars in concrete increases the mechanical interlock between the two materials. As concrete is poured around the rebars, it fills the gaps between the steel bars, creating a strong bond when it hardens. This mechanical interlock helps to prevent the separation of concrete and reinforcement, especially under tensile loads. Secondly, steel rebars enhance the bond by providing additional surface area for adhesion. The rough texture of the rebars allows the concrete to grip onto the steel surface, creating a stronger bond. This adhesion is further improved by the corrosion products that form on the surface of the steel rebars over time. These products create a rougher surface, increasing the bond strength between the concrete and reinforcement. Thirdly, rebars act as load transfer devices in concrete structures. When external forces are applied to the structure, the rebars distribute and transfer these forces to the surrounding concrete. This load transfer mechanism helps to improve the overall structural integrity and performance of the concrete element. Additionally, steel rebars also enhance the bond between concrete and reinforcement through their ability to resist deformation. Under tensile loads, the rebars elongate and absorb the stress, preventing the concrete from cracking. This prevents the development of cracks that could weaken the bond between the two materials. In summary, steel rebars enhance the bond between concrete and reinforcement by providing mechanical interlock, increased surface area for adhesion, load transfer capabilities, and resistance to deformation. These factors collectively contribute to the overall strength, durability, and performance of reinforced concrete structures.

Q:How do steel rebars contribute to the load-bearing capacity of concrete slabs?: Steel rebars contribute to the load-bearing capacity of concrete slabs in several ways. Firstly, they enhance the tensile strength of the concrete. Concrete is known for its compressive strength, but it lacks the ability to withstand tensile forces. By placing steel rebars within the concrete, it forms a reinforced structure that can resist both compressive and tensile stresses. This prevents the concrete from cracking or failing under heavy loads. Secondly, steel rebars help to distribute the load more evenly across the concrete slab. When a load is applied to a concrete slab, it tends to concentrate at certain points, causing stress concentrations. The presence of rebars helps to spread the load over a larger area, reducing the stress on any individual point and improving the overall load-bearing capacity of the slab. Moreover, steel rebars also prevent the propagation of cracks in concrete slabs. If a crack occurs in the concrete, the rebars act as reinforcement and hold the cracked sections together, preventing the crack from expanding further. This helps to maintain the structural integrity of the slab and ensures its load-bearing capacity is not compromised. In summary, steel rebars play a crucial role in enhancing the load-bearing capacity of concrete slabs by providing tensile strength, distributing loads more evenly, and preventing crack propagation. Their inclusion in concrete structures significantly improves their durability and ability to withstand heavy loads, making them essential components in construction projects.

Q:How do steel rebars enhance the structural integrity of a building?: Steel rebars enhance the structural integrity of a building by providing reinforcement and strength to concrete structures. They prevent cracking, bending, and collapsing under heavy loads, seismic activities, and temperature changes, ensuring the stability and durability of the building.

Q:What are the potential risks of using steel rebars in construction?: Some potential risks of using steel rebars in construction include corrosion, inadequate bonding with concrete, and potential for structural failure if not properly installed or maintained. Additionally, steel rebars can conduct electricity, posing a risk in areas with electrical currents or lightning storms.

Q:How do steel rebars affect the overall seismic performance of buildings?: Steel rebars play a crucial role in enhancing the overall seismic performance of buildings. These reinforced bars, when properly integrated into the structural system, provide significant strength and ductility to the building, allowing it to withstand seismic forces more effectively. One of the key benefits of steel rebars is their ability to increase the tensile strength of concrete structures. Concrete is strong in compression but weak in tension. By placing steel rebars within the concrete, the tensile strength is greatly improved, preventing the concrete from cracking or failing under the stress of seismic forces. In the event of an earthquake, steel rebars help distribute the seismic forces throughout the structure, minimizing localized damage and ensuring a more uniform response. The rebars act as a network of interconnected elements, transferring the energy created by the earthquake to the surrounding areas, thereby reducing the vulnerability to localized failures. Moreover, steel rebars enhance the ductility of the building, which is the ability to deform without losing structural integrity. During an earthquake, buildings experience significant lateral forces, and the ductility provided by the rebars allows the structure to absorb and dissipate these forces through controlled deformation. This prevents sudden and catastrophic failure, giving occupants more time to evacuate safely. Additionally, steel rebars can be strategically placed in critical areas of the building, such as at beam-column connections, where the highest stresses occur during an earthquake. By reinforcing these vulnerable points, the rebars ensure that the building maintains its structural integrity and remains resistant to collapse. In summary, steel rebars significantly improve the overall seismic performance of buildings by increasing tensile strength, distributing seismic forces, enhancing ductility, and reinforcing critical areas. Their integration into the structural system helps mitigate the potential for damage and ensures the safety of occupants during seismic events.

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