G460B deformed steel bar deformed steel bar

G460B deformed steel bar deformed steel bar System 1

G460B deformed steel bar deformed steel bar

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Specifications of HRB400 Deformed Steel Bar:

Standard	GB	HRB400
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Advantages	exact size, regular package, chemical and mechanical properties are stable.
Type	Hot rolled deformed steel bar
Brand name	DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P		V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045		0.04-0.12
	Physical capability
	Yield Strength (N/cm²)		Tensile Strength (N/cm²)			Elongation (%)
	≥400		≥570			≥14

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Usage and Applications of HRB400 Deformed Steel Bar:

Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..

Packaging & Delivery of HRB400 Deformed Steel Bar:

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Deformed Steel Bar in container

G460B deformed steel bar deformed steel bar

Deformed Steel Bar in factory

G460B deformed steel bar deformed steel bar

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

Standard: ASTM, BS, DIN

The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q: What is the role of steel rebars in minimizing the risk of structural collapse?: Steel rebars play a crucial role in minimizing the risk of structural collapse by enhancing the strength and stability of reinforced concrete structures. They provide additional tensile strength to the concrete, which is otherwise weak in tension. By reinforcing the concrete with steel rebars, the overall load-bearing capacity of the structure increases, making it more resistant to external forces such as earthquakes, winds, and heavy loads. Additionally, rebars help in distributing and transferring the applied loads, reducing the concentration of stress points and preventing cracks or failures in the structure. Therefore, steel rebars act as a vital component in ensuring the structural integrity and safety of buildings and infrastructure.

Q: How do steel rebars affect the overall thermal stability of a structure?: Steel rebars can significantly affect the overall thermal stability of a structure due to their thermal conductivity properties. Thermal stability refers to the ability of a structure to withstand changes in temperature without experiencing significant deformation or damage. Steel rebars have high thermal conductivity, which means they can efficiently transfer heat throughout a structure. This property can have both positive and negative effects on the thermal stability of the structure. On the positive side, steel rebars can help in dissipating heat from the structure, preventing the concentration of heat in specific areas. This can prevent localized thermal expansion, which can lead to cracks and structural failures. By evenly distributing heat, steel rebars can improve the overall thermal stability of the structure. On the negative side, steel rebars can also conduct heat to colder areas of the structure, leading to thermal gradients. This can result in differential expansion and contraction, causing stress and potential damage to the structure. Additionally, during fire incidents, steel rebars can rapidly heat up and transfer the heat to the surrounding concrete, reducing its strength and compromising the overall stability of the structure. To mitigate these potential negative effects, engineers and architects must carefully consider the design, placement, and spacing of steel rebars within the structure. By ensuring proper reinforcement layout and utilizing insulation materials, the thermal stability can be enhanced. Additionally, incorporating fire-resistant coatings or insulation around the rebars can help minimize the effects of heat transfer during fire incidents. In conclusion, steel rebars can significantly impact the overall thermal stability of a structure. While their high thermal conductivity can aid in dissipating heat, it can also lead to thermal gradients and potential damage. By carefully considering the design and incorporating appropriate measures, the negative effects of steel rebars on thermal stability can be minimized, ensuring the long-term durability and safety of the structure.

Q: How do steel rebars contribute to the overall safety of a structure?: Steel rebars contribute to the overall safety of a structure in several ways. Firstly, they provide reinforcement to concrete, which is a brittle material and prone to cracking under tension. By embedding steel rebars within the concrete, the structure gains enhanced tensile strength, allowing it to withstand greater loads and resist cracking or failure. Secondly, steel rebars help to distribute and dissipate stress throughout the structure. When a load is applied to a structure, such as an earthquake or heavy winds, it creates internal forces that need to be managed and dispersed. Steel rebars act as a network of interconnected bars, transferring the load from one rebar to another, and eventually to the foundation. This helps to prevent localized stress concentrations and ensures that the structure can better withstand external forces. Moreover, steel rebars improve the ductility of a structure. Ductility refers to a material's ability to deform without breaking. When a structure is subjected to extreme forces, such as seismic activity or high winds, it needs to be able to flex and absorb energy without collapsing. Steel rebars provide this ductility by elongating and deforming under stress, absorbing and dissipating energy before reaching a critical point of failure. This characteristic makes steel rebars crucial in protecting the overall integrity of the structure and ensuring the safety of its occupants. Furthermore, steel rebars also contribute to the long-term durability of a structure. Concrete is susceptible to various environmental factors, such as moisture, temperature fluctuations, and chemical exposure, which can lead to deterioration and weakening over time. By reinforcing the concrete with steel rebars, the structure becomes more resistant to these factors and maintains its strength and stability for a longer period. In conclusion, steel rebars play a vital role in ensuring the overall safety of a structure. They enhance the tensile strength of concrete, distribute stress, improve ductility, and increase the durability of the structure. By providing these essential properties, steel rebars greatly reduce the risk of structural failure and protect the lives and well-being of those within the building.

Q: What is the role of steel rebars in bridge deck construction?: Steel rebars play a crucial role in bridge deck construction. They are used to reinforce the concrete used in the construction of the bridge deck. The main function of rebars is to provide tensile strength to the concrete, as concrete is strong in compression but weak in tension. Bridge decks are subjected to various loads, including the weight of the vehicles, live loads, and environmental factors such as temperature changes and vibrations. These loads can cause the bridge deck to bend, crack, or even collapse if it lacks sufficient tensile strength. By incorporating steel rebars into the bridge deck, the tensile strength of the concrete is significantly enhanced. The rebars are strategically placed throughout the concrete structure to distribute the loads and resist tension, thereby preventing cracks and ensuring the overall structural integrity of the bridge. In addition to reinforcing the concrete, steel rebars also help to control cracks that may occur due to shrinkage or thermal expansion. When the concrete shrinks or expands, it can lead to the formation of cracks, which can compromise the durability and stability of the bridge. However, the inclusion of rebars helps to control and limit the size and extent of these cracks, ensuring the long-term performance of the bridge. Furthermore, steel rebars also aid in the transfer of loads between different components of the bridge, such as the bridge deck and the supporting piers or abutments. They help to create a continuous load path, ensuring that the loads are efficiently transmitted and distributed throughout the bridge structure. In summary, steel rebars are essential in bridge deck construction due to their ability to provide the necessary tensile strength to the concrete. They enhance the structural integrity of the bridge, control cracks, and facilitate the transfer of loads, ultimately ensuring the safety and longevity of the bridge.

Q: How do steel rebars affect the overall weight of a structure?: Steel rebars can significantly increase the overall weight of a structure due to their high density and strength. The addition of steel rebars adds more mass to the structure, which can enhance its stability and load-bearing capacity.

Q: How are steel rebars measured and priced?: Steel rebars are typically measured and priced based on their length, thickness, and weight. The length is measured in feet or meters, and the thickness is measured in inches or millimeters. The weight is usually given in pounds or kilograms. The pricing of steel rebars depends on current market conditions, including factors such as supply and demand, raw material costs, and manufacturing expenses. Additionally, any additional processing or customization requested by the customer may also impact the final price.

Q: What are the different methods for attaching steel rebars to existing structures?: There are several methods for attaching steel rebars to existing structures, depending on the specific requirements and conditions of the project. Some common methods include: 1. Welding: This method involves using welding techniques to attach the rebars to the existing structure. It provides a strong and durable connection, but it requires skilled labor and may not be suitable for all situations. 2. Epoxy bonding: Epoxy adhesives can be used to bond rebars to existing structures. This method is easy to apply and provides a reliable connection, especially when the rebars are embedded in concrete. However, it is important to ensure proper surface preparation and follow manufacturer's instructions for best results. 3. Mechanical anchoring: Mechanical anchors, such as anchor bolts or expansion anchors, can be used to attach rebars to existing structures. This method involves drilling holes into the structure and inserting the anchor, which provides a secure connection. It is important to select the appropriate anchor type and size based on the load requirements and structural conditions. 4. Clamping or fastening: In some cases, rebars can be attached to existing structures using clamps or fasteners. This method is relatively quick and easy to install, but it may not provide as strong of a connection as welding or epoxy bonding. 5. Overlapping: When reinforcing existing concrete structures, rebars can be overlapped with the existing reinforcement and tied together using wire or other methods. This method is commonly used in construction to ensure continuity of reinforcement and increase the load-carrying capacity. It is important to consult with structural engineers or professionals with expertise in rebar installation to determine the most suitable method for attaching steel rebars to existing structures. They will consider factors such as structural integrity, load requirements, and local building codes to ensure a safe and effective connection.

Q: How do steel rebars affect the structural integrity of a building?: Steel rebars play a vital role in improving the structural integrity of buildings. These reinforced steel bars are mainly used in concrete structures to impart strength and stability. By reinforcing the concrete, rebars assist in withstanding tensile forces and preventing the formation of cracks in the building. Enhancing the overall load-bearing capacity of the structure is one of the primary ways rebars impact structural integrity. The combination of concrete and steel rebars creates a composite material capable of withstanding greater weight and stress. This is especially crucial in tall buildings or structures that need to support heavy loads like bridges or parking garages. Additionally, rebars help alleviate the effects of shrinkage and temperature fluctuations on the concrete. Concrete tends to shrink and expand due to changes in temperature and humidity, which can lead to crack formation and compromise the building's structural integrity. However, by embedding rebars within the concrete, these forces are counteracted, preventing significant damage. Another crucial aspect of rebars is their ability to resist bending and deformation. In the event of an earthquake or other dynamic forces, rebars aid in distributing the energy throughout the structure, reducing the risk of collapse. This resilience proves vital in regions prone to seismic activity. Furthermore, steel rebars offer exceptional durability and longevity. Unlike materials like wood or plastic, steel does not rot, decay, or attract termites or other pests. This ensures that the building's structural integrity remains intact over time, reducing the need for frequent repairs or replacements. In conclusion, steel rebars greatly enhance the structural integrity of buildings. By reinforcing concrete, rebars provide strength, increase load-bearing capacity, resist shrinkage and temperature changes, mitigate the effects of dynamic forces, and offer long-lasting durability. Without the inclusion of rebars, buildings would be more susceptible to cracking, structural failure, and compromised safety.

Q: How are steel rebars used in road and pavement construction?: Steel rebars are used in road and pavement construction to reinforce concrete structures and enhance their strength and durability. The rebars are embedded within the concrete to provide additional tensile strength, prevent cracking and ensure the long-term integrity of the road or pavement.

Q: How do steel rebars resist abrasion in concrete structures?: Steel rebars are able to resist abrasion in concrete structures due to their high tensile strength and durability. They act as reinforcement when embedded in the concrete, providing additional strength to the structure. During the process of setting and hardening the concrete, the rebars are firmly embedded in the mixture, creating a secure bond. This bond ensures that the rebars remain in place, even when exposed to external forces like abrasion. To enhance their resistance to abrasion, the surface of steel rebars is typically treated. This can involve methods such as hot-dip galvanizing or applying an epoxy coating. These treatments create a protective layer that shields the rebars from the abrasive effects of the concrete and other external factors. Additionally, steel rebars are designed with ridges or deformations on their surface. These ridges increase the surface area of the rebars, promoting a stronger bond with the concrete. This improved bond helps to distribute external forces, including abrasion, more evenly throughout the structure, reducing the risk of localized damage. In conclusion, the high tensile strength, durability, surface treatments, and ability to form a strong bond with concrete enable steel rebars to effectively resist abrasion in concrete structures.

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