DIN STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
Specifications of Hot Rolled Steel Rebar:
The production process of Steel Rebar
1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train
4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler
7-Finishing equipment(including the cold scale shear,short feet collection system,
automatic counting device,bundling machine, collect bench)
Usage and Applications of Hot Rolled Steel Rebar:
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 Hot Rolled Steel Rebar:
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 terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Label:to be specified by customer, generally, each bundle has 1-2 labels
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:Can steel rebars be used in modular bridges?
- Yes, steel rebars can be used in modular bridges. Steel rebars are commonly used in the construction of bridges due to their strength, durability, and ability to handle heavy loads. They provide reinforcement to the concrete components of the bridge, ensuring its structural integrity. In modular bridge construction, steel rebars are often incorporated into precast concrete elements, allowing for efficient and cost-effective assembly of the bridge modules.
- 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:Are there any alternatives to steel rebars for reinforcement?
- Yes, there are several alternatives to steel rebars for reinforcement. Some common alternatives include fiber-reinforced polymer (FRP) rebars, basalt rebars, and carbon fiber reinforced polymer (CFRP) rebars. These alternatives offer advantages such as corrosion resistance, high tensile strength, and lightweight properties. They are often used in applications where steel rebars may not be feasible or suitable, such as in marine environments or structures requiring reduced weight.
- Q:What is the effect of chloride ions on steel rebars?
- The presence of chloride ions in the environment can have a detrimental effect on steel rebars. Chloride ions can penetrate the protective oxide layer on the surface of the steel and react with the iron atoms, leading to the formation of iron chloride compounds. These compounds are highly corrosive and can cause the rebars to rust and eventually weaken. This corrosion process, known as chloride-induced corrosion, can significantly reduce the structural integrity and lifespan of steel rebars, posing a risk to the overall stability of reinforced concrete structures. Therefore, it is crucial to protect steel rebars from chloride exposure through proper design, construction, and maintenance practices to ensure their long-term durability and safety.
- Q:What is the effect of moisture content on the strength of steel rebars?
- The strength of steel rebars can be significantly affected by their moisture content. When exposed to moisture, particularly water or high humidity, corrosion can occur. This happens when the moisture reacts with the iron in the steel, resulting in the formation of iron oxide or rust. As a result, the steel rebars weaken and their overall strength is reduced. Moisture presence speeds up the corrosion process, causing the gradual loss of structural integrity in the steel rebars. Corroded rebars become brittle and are more prone to fractures or failure when subjected to a load. This can be especially problematic in construction projects that utilize steel rebars to reinforce concrete structures, as the corrosion compromises the durability and safety of the entire structure. Moisture not only directly impacts the strength, but it also contributes to other issues such as cracking, spalling, and concrete degradation. When moisture interacts with the concrete surrounding the steel rebars, it leads to expansion and contraction, resulting in internal stress and potential damage. This further weakens the rebars and the overall structure. To counteract the negative effects of moisture on steel rebars, several protective measures can be adopted. These measures may include the use of corrosion-resistant coatings like epoxy or zinc, which act as a barrier between the rebars and moisture. Additionally, ensuring proper drainage and ventilation in construction projects can prevent the accumulation of moisture, reducing the risk of corrosion and maintaining the strength and longevity of the steel rebars. In conclusion, it is vital to carefully consider the moisture content and its potential impact on steel rebars in any construction project. By addressing and managing moisture, engineers and builders can guarantee the structural integrity and safety of the steel rebars, ultimately improving the strength and durability of the entire structure.
- Q:How to calculate the theoretical elongation of finishing thread steel?
- The grade of prestressed concrete rebar is defined by the yield strength. The code is PHB, plus the minimum value of the specified yield strength. P, H and B are English first letters of Prestressing, Hot and Bars respectively. For example: PHB830 represents a steel bar with a minimum yield strength of 830MPa.
- Q:Are steel rebars suitable for use in high-rise buildings?
- Yes, steel rebars are suitable for use in high-rise buildings. Steel rebars provide excellent strength, durability, and flexibility, making them ideal for reinforcing concrete structures in high-rise buildings. Their ability to resist tensile forces and bond with concrete ensures the structural integrity and stability required in tall buildings.
- Q:How do steel rebars contribute to the energy efficiency of a building?
- Steel rebars contribute to the energy efficiency of a building in several ways. Firstly, steel rebars are used to reinforce concrete structures, such as beams, columns, and walls. This reinforcement helps to increase the structural integrity of the building, allowing it to withstand various loads and forces. This, in turn, reduces the need for excessive materials in the construction process, leading to a more energy-efficient building. Additionally, steel rebars have excellent thermal conductivity properties. This means that they can efficiently transfer and distribute heat throughout the building, helping to regulate the internal temperature. By evenly distributing heat, steel rebars help to minimize temperature fluctuations, reducing the need for excessive heating or cooling systems, thus saving energy. Moreover, steel rebars have a long lifespan and require minimal maintenance. This durability ensures that the building remains structurally sound over time, reducing the need for frequent repairs or replacements. As a result, the energy consumed in maintenance and renovation activities is significantly reduced. Furthermore, the use of steel rebars allows for the construction of larger, open spaces with fewer supporting columns. This design flexibility facilitates the integration of natural light and ventilation, reducing the reliance on artificial lighting and air conditioning systems. By maximizing natural resources, steel rebars contribute to the energy efficiency of the building. In conclusion, steel rebars play a vital role in enhancing the energy efficiency of a building. Their ability to reinforce structures, efficient thermal conductivity, durability, and design flexibility all contribute to reducing the energy consumption associated with construction, maintenance, and operation of the building.
- Q:What are the guidelines for cutting and bending steel rebars on-site?
- To ensure safety and accuracy when cutting and bending steel rebars on-site, it is essential to adhere to specific guidelines. These guidelines play a crucial role in maintaining the structural integrity of the rebars. Here are some key considerations to keep in mind: 1. Prioritize safety: Before initiating any cutting or bending activities, it is imperative to prioritize safety. This involves wearing appropriate personal protective equipment (PPE) such as goggles, gloves, and steel-toe boots. Additionally, ensure that the work area is free from hazards and that all safety protocols are followed. 2. Utilize appropriate cutting tools: When cutting rebars, it is important to use high-quality cutting tools specifically designed for this purpose. Commonly used manual cutting tools include bolt cutters or hydraulic shears. It is crucial to ensure that the cutting tool is sharp and in good condition to achieve clean cuts. Avoid using torches or heat-based methods, as they can weaken the rebars. 3. Precise measurement and marking: Before cutting, it is essential to measure and mark the rebars accurately according to the required lengths. To ensure accuracy, utilize a measuring tape and a permanent marker. Double-check the measurements to avoid any mistakes that may result in wastage or improper reinforcement. 4. Employ proper bending tools: When bending rebars, it is vital to use appropriate bending tools or machines. These tools ensure accurate bending angles and minimize the risk of rebars breaking or cracking. Adhere to the bending specifications provided by the project engineer or local building codes to ensure compliance. 5. Familiarize with reinforcement requirements: Gain a thorough understanding of the reinforcement requirements by reviewing the project plans, drawings, and specifications. Different projects may have specific guidelines for cutting and bending rebars. It is crucial to adhere to these requirements to ensure correct installation and provide the necessary structural strength. 6. Maintain quality control: Regularly inspect the rebars during the cutting and bending process to verify that they meet the required standards. Look for any signs of damage, cracks, or substandard workmanship. Additionally, ensure that the rebars are appropriately sorted and stored to prevent mix-ups or confusion on-site. 7. Effective waste management: Implement proper waste management practices for the waste generated during the cutting and bending process. Collect and dispose of steel shavings or offcuts in designated containers to prevent injuries or accidents caused by sharp edges. In conclusion, adhering to these guidelines for cutting and bending steel rebars on-site will contribute to the safety, accuracy, and effectiveness of the reinforcement process. When in doubt or faced with specific project requirements, it is advisable to consult experienced professionals or the project engineer.
- Q:What is the cost-effectiveness of using steel rebars?
- The cost-effectiveness of using steel rebars is generally considered to be high. Steel rebars provide strength and durability to reinforced concrete structures, making them a popular choice in construction. One of the key advantages of steel rebars is their long lifespan, which reduces the need for frequent repairs or replacements. This can result in significant cost savings over time, as the initial investment in steel rebars can be recouped through their extended service life. Additionally, steel rebars are readily available and have a comparatively low cost compared to alternative reinforcement materials, such as carbon fiber or fiberglass. This makes steel rebars a cost-effective choice for a wide range of construction projects. Moreover, steel rebars offer excellent tensile strength, allowing them to withstand heavy loads and seismic forces. By reinforcing concrete structures with steel rebars, the risk of structural failure or collapse is significantly reduced. This can lead to additional cost savings by minimizing the need for costly repairs or reconstruction in the event of a disaster. Furthermore, steel rebars are versatile and can be easily fabricated and customized to suit specific project requirements. This versatility allows for efficient installation and reduces labor costs, further enhancing the cost-effectiveness of using steel rebars. In conclusion, the cost-effectiveness of using steel rebars is high due to their long lifespan, comparatively low cost, excellent tensile strength, and versatility. By choosing steel rebars as a reinforcement material, construction projects can benefit from reduced maintenance and repair costs, improved structural integrity, and overall long-term savings.
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DIN STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 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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