High Quality Deformed Steel Bar HRB400 MADE IN CHINA
- Ref Price:
-
- Loading Port:
- Lianyungang
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
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Specifications of Construction High Quality Deformed Steel Bar HRB400 MADE IN CHINA:
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Packing | Export standard packing: wrapped by wire rod in bundles | ||
Each bundle weight | 2-3MT, or as required | ||
Inspection | Accept the third party inspection | ||
Type | Hot rolled steel rebar | ||
Brand name | DRAGON | ||
Chemical Composition: (Please kindly find our chemistry of our material based on BS4449 as below for your information)
BS4449 G460B | Chemical Composition | ||||
C | Mn | Si | S | P | |
0.18 | 0.35 | 0.14 | 0.025 | 0.25 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
625 | ≥460 | 18 | |||
BS4449 500B | Chemical Composition | ||||
C | Mn | Si | S | P | |
0.24 | 0.45 | 0.16 | 0.05 | 0.31 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
650 | ≥500 | 19 | |||
Deformed Steel Rebar in factory
Usage and Applications of High Quality Deformed Steel Bar HRB400 MADE IN CHINA:
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 High Quality Deformed Steel Bar HRB400 MADE IN CHINA:
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.
Payment terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Delivery Detail: within 45 days after received advanced payment or LC.
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.
- Q:How do steel rebars affect the overall crack resistance of concrete structures?
- The crack resistance of concrete structures is greatly improved by steel rebars, which have a crucial role to play. When embedded in concrete, rebars provide reinforcement and boost the tensile strength of the structure. While concrete is naturally strong in compression, it is weak in tension, and rebars help overcome this weakness by absorbing the tensile forces that may result in cracks. The inclusion of rebars in concrete structures allows for stress redistribution, thereby preventing cracks from spreading. As concrete shrinks or experiences external loads, rebars act as a reinforcement grid, effectively resisting the formation and expansion of cracks. By absorbing and dispersing the tensile stresses, rebars ensure that the concrete remains intact and can withstand heavier loads without significant cracking. Furthermore, steel rebars contribute to the overall durability of concrete structures. When rebars corrode due to exposure to moisture or other environmental factors, they can increase in volume, resulting in internal pressure and potential cracking of the concrete. However, the use of corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, can greatly reduce this risk and enhance the crack resistance of the structure. To summarize, steel rebars enhance the crack resistance of concrete structures by providing reinforcement, increasing tensile strength, redistributing stress, and preventing crack propagation. Their presence guarantees that the structure can withstand various types of loads and environmental conditions, ultimately improving the strength and durability of the concrete.
- Q:Can steel rebars be used in soundproof structures?
- Steel rebars can be used in soundproof structures, but they are not the sole component responsible for soundproofing. Steel rebars are primarily used for reinforcement in concrete structures, such as walls or floors. While they can help in reducing sound transmission to some extent, additional soundproofing materials and techniques are necessary to achieve effective soundproofing. To create a soundproof structure, several factors need to be considered. One important factor is the mass of the structure. Steel rebars, being heavy and dense, contribute to increasing the mass of the structure, which helps in reducing sound transmission. However, the effectiveness of soundproofing also depends on the overall design, construction techniques, and the incorporation of other sound-absorbing materials. To enhance the soundproofing capabilities of a structure, other materials can be added, such as acoustic insulation, soundproofing panels, or resilient channels. Acoustic insulation materials, such as mineral wool or acoustic foam, can be installed within the walls or floors to absorb sound waves and prevent them from traveling through the structure. Soundproofing panels can also be added to surfaces to reflect or absorb sound waves, further reducing noise transmission. Moreover, proper construction techniques should be employed to ensure that there are no gaps or air leaks that could allow sound to pass through. Using resilient channels, which isolate the structure from the surrounding surfaces, can also help in reducing sound transmission. In conclusion, while steel rebars can contribute to soundproofing a structure by increasing its mass, they alone are not sufficient to create a completely soundproof environment. Effective soundproofing requires a combination of design, construction techniques, and the incorporation of additional sound-absorbing materials to achieve the desired level of sound reduction.
- Q:How to recognize high quality thread steel
- Inferior steel due to poor production conditions, bulk, no metal signs, no quality guarantee. For safety reasons, we should not buy the inferior steel bars, or go to the direct agents of some famous brand manufacturers, so that the quality is guaranteed. Shandong hundred fertile Steel Pipe Co., Ltd. here recommends that users in the purchase of thread steel, must go to the formal steel business units to purchase, request steel quality certificate, and acceptance.
- Q:How do steel rebars affect the overall noise insulation of a structure?
- Steel rebars have a minimal impact on the overall noise insulation of a structure. This is because noise insulation primarily depends on the density and thickness of the materials used in the construction of walls, floors, and ceilings. Steel rebars, being used to reinforce concrete structures, do not significantly contribute to the sound insulation properties of a building. The primary function of steel rebars is to provide strength and stability to the concrete, ensuring its structural integrity. They are typically embedded within the concrete, resulting in their presence throughout the building's framework. However, the steel rebars themselves do not possess any sound-absorbing or sound-blocking characteristics. To enhance the noise insulation of a structure, other sound insulation materials such as insulation boards, acoustic panels, or soundproofing materials need to be incorporated into the building design. These materials are specifically designed to absorb or block sound waves, reducing the transmission of noise from one area to another. While steel rebars may not directly contribute to noise insulation, they indirectly play a role in maintaining the overall structural integrity of a building. A well-constructed and sturdy structure can help minimize vibrations and sound transmission caused by external noise sources. Therefore, while steel rebars themselves do not significantly affect noise insulation, their presence indirectly contributes to a more solid and stable building, which can help reduce structural vibrations and unwanted noise.
- 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:What is the role of steel rebars in preventing structural failures?
- The construction industry relies heavily on steel rebars to prevent structural failures. These reinforcing bars, also known as steel rebars, are vital for strengthening and reinforcing concrete structures, ensuring their durability and ability to withstand various forces. One of the main functions of steel rebars is to improve the tensile strength of concrete. While concrete is excellent for compression, it lacks strength in tension. By incorporating steel rebars into concrete structures, this weakness can be overcome by providing resistance to tensile forces. Acting as reinforcements, steel rebars effectively absorb and distribute tensile stresses throughout the structure, preventing the formation of cracks and fractures, and ultimately averting structural failures. Moreover, steel rebars play a critical role in enhancing overall structural stability and preventing failures. By reinforcing concrete, rebars enhance the structural integrity and increase the load-bearing capacity of the structure. This allows the structure to withstand heavier loads and forces, including those caused by natural disasters, extreme weather conditions, or human activities. Steel rebars are also indispensable in preventing structural failures resulting from corrosion. Concrete structures are exposed to various environmental factors, such as moisture, chemicals, and salts, which can cause corrosion of the reinforcing steel. However, as steel rebars are typically coated or protected with anti-corrosive materials, they act as a barrier against corrosion, ensuring the long-term durability and integrity of the structure. Furthermore, steel rebars contribute to preventing structural failures by providing stability during construction. They are strategically placed within the concrete forms at critical points and areas susceptible to high stress. This ensures that the structure remains stable and can withstand the loads and forces exerted during and after construction. In conclusion, the role of steel rebars in preventing structural failures is multifaceted. They enhance the tensile strength of concrete, increase structural stability, prevent corrosion, and provide stability during construction. By reinforcing concrete, steel rebars significantly contribute to the overall strength, durability, and safety of structures, ultimately averting structural failures and ensuring the longevity of the built environment.
- Q:How do steel rebars provide reinforcement to concrete?
- Steel rebars provide reinforcement to concrete by acting as tension members. When concrete is subjected to loads, such as the weight of a structure or external forces, it tends to crack and fail under tension. Steel rebars are embedded within the concrete to counteract this weakness. The rebars are made of high-strength steel, which has a much higher tensile strength than concrete. When the concrete is poured, the rebars are strategically placed throughout the structure, typically in areas where tension forces are expected to occur. This could include areas such as beams, columns, and slabs. As the concrete cures and hardens, it forms a strong bond with the steel rebars. When external forces are applied to the concrete, such as the weight of a building or lateral forces from wind or earthquakes, tension forces are generated within the concrete. However, instead of these forces causing the concrete to crack and fail, the rebars take on the majority of the tension. The high tensile strength of the steel rebars allows them to resist the tension forces, preventing cracks from forming and ensuring that the concrete remains intact and structurally sound. The rebars act as a reinforcement by distributing the tensile forces more evenly throughout the concrete, enhancing its overall strength and durability. Furthermore, rebars can also provide additional benefits to concrete structures. They can help minimize the effects of temperature changes, prevent shrinkage cracks, and improve the resistance to corrosion caused by exposure to environmental factors. Overall, the use of steel rebars in concrete construction significantly enhances the structural integrity and longevity of the concrete, ensuring its ability to withstand various loads and external forces over time.
- Q:What is the maximum spacing allowed between vertical steel rebars in columns?
- The maximum spacing allowed between vertical steel rebars in columns depends on various factors such as the column size, design requirements, and local building codes. However, a common guideline is to keep the spacing between rebars equal to or less than three times the column diameter or width.
- Q:What are the common mistakes to avoid when handling and storing steel rebars?
- To ensure the quality and longevity of steel rebars, it is crucial to steer clear of certain common mistakes. Here are some errors that should be sidestepped: 1. Inadequate storage conditions: The storage of steel rebars in damp or wet areas can result in corrosion and rust. To prevent moisture accumulation, it is vital to store them in a dry and well-ventilated space. 2. Insufficient support: To prevent bending or deformation, it is important to provide proper support when stacking rebars. Insufficient support can damage the rebars and compromise their structural integrity. 3. Improper lifting techniques: It is essential to employ appropriate lifting equipment and techniques when handling rebars. Using hooks or chains directly on the rebars can weaken and damage them. It is advisable to use lifting devices specifically designed for rebar handling. 4. Overloading: Avoid placing excessive weight on storage racks or platforms. Overloading can cause structural failure and pose a risk to workers. Always adhere to the manufacturer's guidelines for maximum weight capacity. 5. Lack of protection: Rebars should be shielded from moisture, dirt, and other contaminants. Wrapping them properly with plastic or waterproof covers can prevent corrosion and maintain their quality. 6. Improper transportation: During transportation, take care to secure the rebars adequately to prevent movement or damage. Using appropriate restraints and padding can prevent potential accidents or rebar displacement. 7. Mixing different grades: Do not mix rebars of different grades together, as they possess varying strength and performance characteristics. Mixing different grades can compromise the overall structural integrity of the construction project. 8. Neglecting quality control: Conduct regular quality checks on the rebars to ensure they meet the required specifications. Neglecting quality control can result in the use of substandard rebars, jeopardizing the safety and durability of the structure. By avoiding these common mistakes, construction professionals can guarantee the proper handling and storage of steel rebars, leading to safer and more durable structures.
- Q:What are the cost implications of using steel rebars in construction?
- The cost implications of using steel rebars in construction can vary depending on several factors. Steel rebars are generally more expensive than alternative materials such as concrete, but they offer several advantages that can offset the higher upfront cost. Using steel rebars can lead to quicker and easier construction processes, as they are readily available and can be easily installed. This can result in reduced labor costs and shorter construction timelines, which can be beneficial for overall project costs. Moreover, steel rebars offer excellent strength and durability, making them a reliable choice for reinforcing concrete structures. They can enhance the structural integrity of buildings, bridges, and other infrastructure, potentially reducing the need for costly repairs or maintenance in the long run. However, it is important to consider the potential costs associated with corrosion protection for steel rebars, as they are prone to rusting when exposed to moisture or harsh environments. Implementing appropriate measures, such as proper coating or using stainless steel rebars, can help mitigate these costs. Overall, while steel rebars may incur higher initial expenses, their numerous advantages in terms of strength, durability, and construction efficiency often make them a cost-effective choice in the long term.
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High Quality Deformed Steel Bar HRB400 MADE IN CHINA
- Ref Price:
-
- Loading Port:
- Lianyungang
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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