HRB400 Deformed Steel Rebar hot sale for constraction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 m.t./month
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Specification
Reinforcing bars, 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
Our Advantage: High quality steel products from 1 class mills in China
Reasonable price
Professionalism of the products
On-time delivery
Complete documents and certificates
Sincere service to meet our clients' requirements
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:What is the difference between carbon steel and stainless steel rebars?
- Carbon steel and stainless steel rebars are both types of steel reinforcement used in construction, but they have distinct differences in composition and properties. Carbon steel rebars are made from a combination of iron and carbon, with small amounts of other elements such as manganese and copper. The carbon content in these rebars typically ranges from 0.15% to 0.60%. Carbon steel rebars are strong, durable, and cost-effective. They have good tensile strength, which is crucial for reinforcing concrete structures. However, they are susceptible to corrosion if not properly protected, especially in environments with high moisture or exposure to chemicals. On the other hand, stainless steel rebars are made from a combination of iron, chromium, nickel, and other alloying elements. The chromium content in stainless steel is typically above 10.5%, which creates a protective layer of chromium oxide on the surface of the rebar, preventing corrosion. Stainless steel rebars have excellent corrosion resistance, even in harsh environments with high humidity, saltwater, or exposure to chemicals. They are also highly durable and have high tensile strength, similar to carbon steel rebars. The main difference between carbon steel and stainless steel rebars is their corrosion resistance. Carbon steel rebars require proper protective coatings, such as epoxy or galvanization, to prevent corrosion. On the other hand, stainless steel rebars have inherent corrosion resistance due to the presence of chromium oxide layer, eliminating the need for additional coatings. Another difference is the cost. Carbon steel rebars are generally cheaper compared to stainless steel rebars. However, the total cost of a project should also consider the long-term maintenance costs associated with corrosion protection measures required for carbon steel rebars. In summary, carbon steel rebars are strong and cost-effective but require additional corrosion protection measures, while stainless steel rebars have excellent corrosion resistance and durability but come at a higher cost. The choice between the two depends on the specific project requirements, budget, and expected environmental conditions.
- Q:What are the considerations for using epoxy-coated steel rebars?
- When it comes to epoxy-coated steel rebars, there are several important factors that need to be taken into account. These factors include corrosion resistance, durability, cost-effectiveness, and construction requirements. One of the main factors to consider is the corrosion resistance provided by epoxy-coated steel rebars. The epoxy coating acts as a protective barrier against moisture, chemicals, and other corrosive elements commonly found in concrete structures. This coating significantly reduces the risk of corrosion, thereby increasing the lifespan of the rebar and the overall durability of the reinforced concrete. Durability is another crucial consideration. Epoxy-coated steel rebars are specifically designed to withstand harsh environmental conditions, including exposure to chloride ions that are known to accelerate corrosion in traditional black steel rebars. This enhanced durability ensures the structural integrity of the building over a longer period, reducing the need for expensive repairs or replacements. Cost-effectiveness is also an important factor to think about. Although epoxy-coated steel rebars may have a higher initial cost compared to black steel rebars, their long-term cost-effectiveness is evident. The reduced risk of corrosion and subsequent maintenance or repair expenses can result in significant savings over the lifespan of a structure. Additionally, the extended lifespan of the rebar can contribute to lower life-cycle costs. Construction requirements must also be considered when using epoxy-coated steel rebars. The application of the epoxy coating requires careful handling and storage to prevent damage or contamination. Special precautions must be taken during transportation, storage, and installation to maintain the integrity of the coating. Contractors must also undergo training and possess experience in working with epoxy-coated steel rebars to ensure proper installation and adherence to industry standards. In conclusion, the considerations for using epoxy-coated steel rebars encompass corrosion resistance, durability, cost-effectiveness, and specific construction requirements. Despite the higher initial cost and the need for additional care during handling and installation, the long-term benefits of increased corrosion resistance and durability make them a favorable choice for reinforced concrete structures.
- Q:Can steel rebars be used in corrosive chemical environments?
- No, steel rebars should not be used in corrosive chemical environments as they are susceptible to corrosion which can compromise their structural integrity.
- Q:What are the common challenges in handling steel rebars during construction?
- Construction often presents numerous obstacles when it comes to managing steel rebars. One primary hurdle involves the weight and size of the rebars themselves. These metal rods can be quite cumbersome and unwieldy, making it challenging to lift and manipulate them on the construction site. Failing to employ appropriate lifting techniques and equipment can result in worker injuries. Another issue concerns the storage and organization of rebars. Given the various lengths and sizes they come in, it becomes crucial to maintain a well-organized storage area that keeps them separate and easily accessible. Neglecting to do so can lead to construction delays and inefficiencies. Moreover, steel rebars are prone to rust and corrosion if mishandled or stored improperly. Exposing them to moisture, rain, or excessive humidity can cause deterioration, which weakens structures. Therefore, it is vital to safeguard rebars from these elements and store them in a dry, well-ventilated space. Additionally, placing and aligning rebars within concrete structures poses a challenge. This task demands skilled labor and precision to ensure that rebars are correctly positioned according to construction plans. Any errors in placement can compromise the building's structural integrity, leading to safety concerns and expensive repairs. Finally, transporting rebars to the construction site poses a logistical challenge. Coordinating their delivery and ensuring they arrive on time and in the required quantities can be complex, especially in large-scale projects. Delays in receiving rebars can result in project delays and additional costs. In conclusion, effectively managing steel rebars during construction necessitates careful planning, proper storage, skilled labor, and adherence to safety protocols. By addressing these common challenges, construction projects can ensure the successful and efficient utilization of steel rebars.
- Q:How do steel rebars help in distributing load in a structure?
- Steel rebars help in distributing load in a structure by providing reinforcement and strength to concrete. When embedded within the concrete, rebars increase its tensile strength, allowing it to better resist cracking and deformation under load. This distribution of load helps to prevent concentrated stress points and ensures a more even distribution of forces throughout the structure, increasing its overall stability and durability.
- Q:How are steel rebars used in tunnel construction?
- Steel rebars are used in tunnel construction to reinforce the concrete structure, providing strength and durability to the tunnel walls and roof. The rebars are placed in strategic locations within the concrete to prevent cracking and structural failure due to the high pressure and forces exerted on the tunnel.
- Q:How do steel rebars improve the strength of concrete?
- Steel rebars improve the strength of concrete by providing reinforcement and resistance to tension forces. They are embedded within the concrete, forming a strong bond with it, and help to distribute loads and prevent cracks from spreading. The addition of steel rebars enhances the structural integrity and durability of concrete structures, making them more resistant to bending, shearing, and other forms of deformation.
- Q:What is the fatigue strength of steel rebars?
- The fatigue strength of steel rebars refers to their ability to withstand repeated loading and unloading cycles without experiencing failure or fatigue crack propagation. This strength can vary depending on factors such as the specific grade of steel, rebar size and shape, surface condition, and loading conditions. Generally, steel rebars have high fatigue strength due to their inherent toughness and ductility, making them suitable for applications in construction projects where cyclic loading is common, such as bridges, highways, and buildings.
- Q:How do steel rebars improve the structural integrity of a building?
- Enhancing the structural integrity of buildings, steel rebars, also known as reinforcement bars, play a crucial role. Used in concrete construction, they provide strength, durability, and resistance against different forces that a structure may face. One way in which steel rebars enhance the structural integrity of a building is by increasing its load-bearing capacity. When rebars reinforce concrete, it becomes more capable of withstanding heavy loads and forces generated by gravity, wind, earthquakes, or dynamic loads from human activities. Acting as a network of reinforcement, the rebars distribute the load evenly throughout the structure, preventing excessive deflection and minimizing the risk of structural failure. Furthermore, steel rebars improve the tensile strength of concrete, which is traditionally weak in tension. While concrete is excellent at bearing compression forces, it lacks the ability to efficiently resist pulling or stretching forces. By incorporating rebars into the concrete, the combination of materials works together to withstand compression and tension forces more effectively. This prevents cracks and fractures from spreading in the concrete, as the rebars act as a support system that holds the structure together. Another advantage of using steel rebars is their resistance to corrosion. Steel is highly durable and can withstand harsh environmental conditions, reducing the risk of degradation over time. This ensures the longevity of the building's structural elements and reduces the need for expensive repairs or replacements. Additionally, steel rebars offer flexibility in design and construction. They can be molded into various shapes and sizes to meet specific structural requirements, allowing for optimal distribution of reinforcement where it is most needed. This flexibility enables architects and engineers to design buildings that are aesthetically pleasing and safe, without compromising on structural integrity. In conclusion, steel rebars significantly enhance the structural integrity of buildings by increasing load-bearing capacity, improving tensile strength, resisting corrosion, and providing design flexibility. By reinforcing concrete, they ensure that structures are better equipped to withstand various forces and maintain stability and safety over time.
- Q:How do steel rebars affect the load-bearing capacity of concrete structures?
- Steel rebars play a crucial role in enhancing the load-bearing capacity of concrete structures. They are embedded within the concrete to provide tensile strength, as concrete is weak in tension. By reinforcing the concrete, rebars help to distribute and bear the applied loads, improving the overall structural performance. The presence of steel rebars in concrete structures helps to resist cracking and prevent structural failure under various load conditions. When a load is applied to a concrete structure, such as a beam or a column, the rebars absorb the tensile forces generated by the load. This prevents the concrete from cracking and ensures that the structure remains intact and stable. Moreover, the rebars also enhance the flexural strength of concrete structures. Flexural strength refers to the ability of a material to withstand bending forces. By reinforcing the concrete with rebars, the structure becomes more resistant to bending and can bear heavier loads without experiencing excessive deflection or failure. In addition to improving tensile and flexural strength, steel rebars also enhance the shear strength of concrete structures. Shear strength refers to the ability of a material to resist forces that cause one layer of the material to slide relative to another layer. By providing additional reinforcement, rebars strengthen the concrete against shear forces, making the structure more resistant to lateral loads and preventing shear failure. Overall, steel rebars significantly enhance the load-bearing capacity of concrete structures by providing tensile, flexural, and shear strength. Their presence enables concrete structures to withstand higher loads, increases their durability, and ensures their long-term structural integrity. Properly designed and installed rebars are essential for constructing safe and structurally sound concrete buildings, bridges, and other infrastructure projects.
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HRB400 Deformed Steel Rebar hot sale for constraction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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