Steel rebar Grade HRB400 for Construction
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Specification
Steel rebar is metal bars often used in construction for pouring concrete or supporting walls and columns. The rebar can
be smooth, though they are frequently manufactured with deformations that create greater texture to which concrete can
adhere, creating a stronger bond that helps prevent cracking of concrete. These deformations do not create weaknesses in
the rebar, and when rebar is measured to determine its diameter, it is typically measured at the narrowest point. Strength
grades indicate the amount of pressure the steel rebar can withstand, and grade and diameter are typically presented in both
imperial and metric units.
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: How do steel rebars improve the strength and durability of concrete?
- Steel rebars improve the strength and durability of concrete in several ways. Firstly, rebars provide reinforcement to the concrete structure, increasing its tensile strength. Concrete is excellent at withstanding compression forces, but it is relatively weak when it comes to tension. By embedding steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. This means that the concrete can resist bending, cracking, and collapsing under heavy loads or external forces. Secondly, steel rebars prevent cracking and shrinkage in the concrete. Concrete tends to shrink as it dries and cures, leading to the development of cracks. However, rebars help to control and restrict this shrinkage by providing additional support and structural integrity. This helps to minimize the occurrence of cracks and ensures that the concrete remains strong and durable over time. Furthermore, steel rebars improve the overall structural stability of the concrete. When concrete is subjected to dynamic loads or seismic activity, it can experience significant deformation or even failure. The presence of rebars helps to distribute the load more evenly throughout the concrete structure, reducing the risk of localized damage or collapse. This enhances the overall stability and safety of the concrete construction. Lastly, steel rebars increase the longevity and durability of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete exposed to harsh environmental conditions or moisture. By providing a protective layer around the steel, known as passivation, rebars prevent corrosion and maintain the structural integrity of the concrete for an extended period. This ensures that the concrete remains strong, durable, and resistant to degradation over its lifespan. In summary, steel rebars play a crucial role in improving the strength and durability of concrete. They enhance the tensile strength, prevent cracking and shrinkage, enhance structural stability, and increase the longevity of the concrete structure. With the addition of steel rebars, concrete becomes a reliable and long-lasting construction material capable of withstanding various loads and environmental conditions.
- Q: Are steel rebars suitable for reinforcement in airport runways?
- Yes, steel rebars are generally suitable for reinforcement in airport runways. They are commonly used due to their high tensile strength, durability, and ability to withstand heavy loads. Steel rebars provide the necessary reinforcement to ensure the stability and longevity of airport runways, making them a reliable choice for this application.
- Q: Can steel rebars be used in offshore oil and gas platforms?
- Yes, steel rebars can be used in offshore oil and gas platforms. Steel rebars are commonly used in construction projects to reinforce concrete structures, and offshore platforms are no exception. These platforms are subjected to various environmental and operational factors such as wave loads, wind forces, and seismic activities. The use of steel rebars helps to strengthen the structural integrity and enhance the overall stability of the platforms. However, it is crucial to use corrosion-resistant steel rebars in offshore applications due to the harsh marine environment. The presence of saltwater, humidity, and exposure to chemicals can accelerate the corrosion process. Therefore, stainless steel rebars or epoxy-coated rebars are often preferred for offshore platforms to ensure long-term durability and prevent corrosion-related issues. Furthermore, it is essential to comply with relevant industry standards and regulations when using steel rebars in offshore oil and gas platforms. These standards outline specific requirements for material selection, fabrication, installation, and inspection to ensure the safety and reliability of the structures. In summary, steel rebars can be effectively used in offshore oil and gas platforms to reinforce concrete structures and enhance their strength and stability. However, the selection of corrosion-resistant steel rebars and adherence to industry standards are critical considerations to withstand the challenging marine environment and ensure the long-term integrity of the platforms.
- Q: What is the role of steel rebars in tunnel lining construction?
- Steel rebars play a critical role in tunnel lining construction as they provide reinforcement and strength to the concrete structure. By reinforcing the concrete with rebars, they help to resist tension and prevent cracking or failure of the tunnel lining. Additionally, rebars enhance the overall structural integrity, durability, and load-bearing capacity of the tunnel, ensuring its long-term stability and safety.
- Q: Can steel rebars be used in structures with high resistance to abrasion?
- Yes, steel rebars can be used in structures with high resistance to abrasion. Steel rebars are commonly utilized in reinforced concrete structures due to their excellent strength and durability. The steel composition and surface treatment of rebars can be optimized to enhance their resistance to abrasion, making them suitable for applications where structures may be exposed to heavy wear and tear.
- Q: How are steel rebars used in the construction of water treatment plants?
- Steel rebars are commonly used in the construction of water treatment plants to reinforce concrete structures such as tanks, pipelines, and basins. These rebars provide additional strength and durability to the concrete, allowing it to withstand the harsh operating conditions and the weight of water storage and treatment equipment.
- Q: Can steel rebars be used in renovation or retrofitting projects?
- Yes, steel rebars can definitely be used in renovation or retrofitting projects. Steel rebars are commonly used in construction to reinforce concrete structures, and they can also be used in renovation projects to strengthen existing structures. When renovating or retrofitting a building, it is often necessary to reinforce the existing structure to meet modern building codes or to support additional loads. Steel rebars can be used to strengthen walls, columns, beams, or slabs by adding additional reinforcement to the concrete. By incorporating steel rebars into a renovation project, the structural integrity of the building can be improved, ensuring its safety and longevity.
- Q: How do steel rebars provide strength to concrete structures?
- Steel rebars provide strength to concrete structures by acting as reinforcement. When embedded within the concrete, rebars enhance its tensile strength, which is otherwise low. As concrete is strong in compression but weak in tension, the rebars resist the tensile forces that can cause cracking or failure in the structure. By distributing and absorbing these tensile forces, steel rebars increase the overall strength, durability, and structural integrity of the concrete.
- Q: What are the different types of tests conducted on steel rebars for quality assurance?
- There are several types of tests conducted on steel rebars for quality assurance. Some common tests include tensile testing, bend testing, impact testing, hardness testing, and chemical composition analysis. These tests help ensure that the rebars meet the required mechanical properties, dimensional tolerances, and chemical composition standards, ensuring their quality and suitability for various construction applications.
- Q: Are steel rebars suitable for reinforcement in residential buildings?
- Yes, steel rebars are suitable for reinforcement in residential buildings. They provide strength and durability to the structure, making it more resistant to various forces such as earthquakes and heavy loads. Steel rebars can effectively reinforce concrete, ensuring the stability and safety of residential buildings.
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Steel rebar Grade HRB400 for Construction
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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