GB Standard HRB400 Steel Deformed Bar 10mm/12mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 20000 m.t/month
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GB Standard HRB400 Steel Deformed Bar 10mm/12mm
Description:
-Standard: GB
-Material: HRB400
-Specification:
| Diameter(mm) | Section Area(mm2) | Mass(Kg/m) | Length(m) |
| 10 | 78.54 | 0.617 | 9, 12 or as customs' request |
| 12 | 113.1 | 0.888 | 9, 12 or as customs' request |
Chemical Composition(%) of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
| C | Mn | Si | S | P | V |
| ≤0.25 | ≤1.60 | ≤0.08 | ≤0.045 | ≤0.045 | 0.04-0.12 |
Mechanical Properties of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) |
≥400 | ≥570 | ≥14 |
Usage and Applications of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
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 GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
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
Images of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q: Are steel rebars available in different shapes and profiles?
- Steel rebars are available in a variety of shapes and profiles, not just the plain round bar. The plain round bar is circular and smooth, but there are also deformed bars with ribs or indentations along their length. These ribs improve the adhesion between the rebars and the surrounding concrete, making the structure stronger and more stable. Steel rebars can be found in different sizes and lengths to meet different construction needs. Square bars, flat bars, and T-shaped bars are examples of other profiles available. These different shapes and profiles give engineers and builders the flexibility to choose the most suitable type of steel rebar for their specific construction projects.
- Q: How do steel rebars affect the overall cost of maintenance and repairs?
- Steel rebars can have a significant impact on the overall cost of maintenance and repairs in various structures. Firstly, steel rebars are commonly used to reinforce concrete structures such as buildings, bridges, and highways. These rebars provide strength and durability to the concrete, helping to prevent cracks and structural failures. When it comes to maintenance, steel rebars can play a crucial role in reducing the frequency and costs of repairs. By reinforcing the concrete, rebars help to distribute stress and load evenly, minimizing the chances of structural damage. This means that maintenance and repair works will be less frequent, saving both time and money for property owners or infrastructure managers. Moreover, steel rebars also contribute to the longevity of structures. By preventing cracks and other forms of damage, rebars help to extend the lifespan of the concrete. This reduces the need for costly and extensive repairs or even the complete replacement of the structure in the long run. However, it is important to note that steel rebars may also require maintenance themselves. Over time, rebars can corrode due to exposure to moisture, chemicals, or environmental factors. This corrosion can weaken the rebars and compromise the integrity of the structure. Therefore, periodic inspection and maintenance of the rebars are necessary to prevent any potential issues. In conclusion, steel rebars have a significant impact on the overall cost of maintenance and repairs. While they contribute to the strength and durability of structures, reducing the need for frequent repairs, they also require their own maintenance to prevent corrosion. Properly maintained steel rebars can help to extend the lifespan of structures and save costs in the long term.
- Q: How heavy can a 25 mm thread steel bear?
- 25 thread steel one meter 3.86kg.Method of calculation: 0.00617 times the square of the diameter of the steel bar. The weight of each diameter of the steel bar (kg) can be calculated.
- Q: What is the role of steel rebars in minimizing the risk of structural collapse?
- Steel rebars are of utmost importance in reducing the likelihood of structural collapse in buildings and other construction projects. These rebars, which are commonly referred to as reinforcing bars, are manufactured from steel and are employed to strengthen concrete structures. They augment the concrete's strength and durability, making it more resilient against various forces and decreasing the chances of collapse. One of the primary causes of structural failure lies in the incapability of a building or structure to withstand the forces it encounters. These forces encompass the weight of the structure itself, as well as external forces like wind, earthquakes, and even human activities. Without adequate reinforcement, concrete alone may not have the capacity to endure these forces, thus leading to structural collapse. Strategically positioned within the concrete, steel rebars bolster its tensile strength. While concrete boasts great strength in compression, it is relatively weak in tension. By incorporating steel rebars, the concrete becomes significantly more resistant to tension and can better endure bending and cracking. This reinforcement enables the structure to distribute loads more evenly and prevents localized failures. Furthermore, steel rebars also serve to control and restrict the spread of cracks within the concrete. In the event of crack formation, the rebars function as a barrier, holding the concrete together and preventing further cracking and potential collapse. This role is particularly crucial in regions prone to seismic activities, as the rebars can aid in dissipating and absorbing the energy generated by an earthquake. Aside from their structural function, steel rebars also contribute to the longevity and durability of the concrete structure. By reinforcing the concrete, the rebars help to impede corrosion and degradation caused by environmental factors such as moisture and chemicals. This ensures the integrity and stability of the structure over an extended period, diminishing the risk of collapse due to deterioration. To summarize, the role of steel rebars in minimizing the risk of structural collapse is pivotal. They enhance the strength and durability of the concrete, heightening its ability to withstand various forces and averting failure. Through reinforcing the concrete, rebars distribute loads, regulate crack propagation, and contribute to the structure's longevity, ultimately guaranteeing the safety and stability of buildings and other construction projects.
- Q: What are the different types of coating available for steel rebars?
- There are several different types of coatings available for steel rebars, each with its own unique properties and benefits. Some of the most common types of coatings include: 1. Epoxy Coating: Epoxy coating provides excellent corrosion resistance and is commonly used in environments where steel rebars are exposed to moisture or harsh chemicals. It forms a protective barrier that prevents corrosion and extends the lifespan of the rebars. 2. Zinc Coating: Zinc coating, also known as galvanization, is one of the most widely used coatings for steel rebars. It provides excellent corrosion resistance and acts as a sacrificial layer, meaning it corrodes before the steel rebars do. This sacrificial protection helps to prevent rust and extend the life of the rebars. 3. Polyethylene Coating: Polyethylene coating is a type of thermoplastic coating that is commonly used for steel rebars in applications where electrical insulation is required. It provides excellent resistance to moisture, chemicals, and abrasion, making it suitable for use in a variety of environments. 4. Fusion-Bonded Epoxy Coating: Fusion-bonded epoxy coating is a type of coating that is applied to the rebars through a process of heat and pressure. It provides excellent adhesion and corrosion resistance, making it ideal for use in harsh environments such as marine or industrial applications. 5. Powder Coating: Powder coating is a dry finishing process that involves applying a fine powder to the rebars and then curing it in an oven. It provides a durable and protective coating that is resistant to corrosion, chemicals, and UV radiation. Powder coating is available in a wide range of colors, making it a popular choice for decorative applications. These are just a few examples of the different types of coatings available for steel rebars. The choice of coating will depend on the specific requirements of the project, such as the environmental conditions, expected lifespan, and desired performance characteristics.
- Q: What are the different types of steel rebars used in industrial constructions?
- Industrial constructions commonly utilize various types of steel rebars, which play a crucial role in reinforcing concrete structures and imparting strength and durability to the overall construction. The key types of steel rebars frequently employed in industrial constructions are as follows: 1. Mild Steel Rebars, also referred to as black steel rebars, are the most prevalent type utilized in construction. These rebars, crafted from carbon steel, possess a smooth surface. They offer adequate strength and are cost-effective, rendering them suitable for a diverse range of industrial applications. 2. High-strength Deformed Steel Rebars (HSD) exhibit ribs or deformations on their surface, enhancing their bonding with concrete. HSD rebars, composed of carbon steel, undergo thermomechanical treatment to enhance their strength. They are commonly employed in heavy-duty industrial constructions requiring higher strength. 3. Epoxy-coated Rebars are coated with an epoxy resin to safeguard them against corrosion. These rebars find common usage in areas where concrete is exposed to moisture or chemicals, such as bridges and marine structures. The epoxy coating functions as a barrier, averting corrosion and prolonging the structure's lifespan. 4. Galvanized Rebars encompass a layer of zinc coating, bestowing them with corrosion resistance. The zinc coating acts as a sacrificial layer, shielding the steel rebars from rust. These rebars are frequently employed in areas where concrete is exposed to harsh environmental conditions or in coastal regions where the risk of corrosion is elevated. 5. Stainless Steel Rebars, recognized for their exceptional corrosion resistance, are utilized in environments necessitating remarkable durability and resistance to corrosion. They commonly find application in industrial constructions exposed to aggressive chemicals, high humidity, or extreme temperatures. Each type of steel rebar possesses distinct advantages and is suitable for diverse applications based on the specific requirements of the industrial construction project. It is imperative to meticulously consider factors such as strength, corrosion resistance, and cost when selecting the apt type of steel rebar for a particular construction endeavor.
- Q: What is the process of installing steel rebars in slabs and beams?
- To ensure the concrete structure is properly reinforced, there are several steps involved in installing steel rebars in slabs and beams. Firstly, the reinforcement layout is designed by the structural engineer based on the project's specific requirements. Factors such as load-bearing capacity and span length are taken into consideration. Next, the layout is marked on the slab or beam using appropriate methods like chalk lines. This helps guide the installation process and maintain accuracy. Then, the steel rebars, which are delivered in long lengths, need to be cut and bent to the specific dimensions and angles required by the design. Specialized tools such as rebar cutters and benders are used for this process. Once the rebars are cut and bent, they are placed in the marked positions on the slab or beam. Rebar chairs, spacers, or other devices are used to support the rebars and keep them in the correct position during concrete pouring. After the rebars are correctly positioned, they are tied together using wire or other binding material to maintain proper spacing and alignment. An inspection is then carried out to ensure the rebars meet the design specifications and are properly positioned. Compliance with building codes and standards is checked. Once the rebars are inspected and approved, the concrete is poured over the reinforced area. The rebars act as reinforcement, providing added strength and stability to the structure. After the concrete is poured, it needs to cure and harden. During this time, it is important to protect the rebars and concrete from excessive moisture and temperature fluctuations. Finishing processes like leveling, smoothing, and surface treatments can be carried out after curing to achieve the desired appearance and functionality. Overall, the process of installing steel rebars in slabs and beams involves meticulous planning, precise cutting and bending, accurate placement, proper securing, and thorough inspection. This ensures a reinforced structure that meets design requirements and provides long-lasting strength and durability.
- Q: How do steel rebars contribute to the overall strength of a structure?
- Steel rebars contribute to the overall strength of a structure by providing reinforcement and increasing its load-bearing capacity. These rebars are embedded within the concrete, forming a bond between the two materials. This combination allows the concrete to resist tension and bending forces, which are weaknesses of the material on its own. By distributing and absorbing these forces, steel rebars enhance the structural integrity of the building, making it more durable and resistant to deformation or collapse.
- Q: What is the length and size of thread steel?
- Domestic sales of domestic thread steel, if the contract does not specify requirements, usually fixed length of 9m, 12m two length.
- Q: Can steel rebars be used in buildings with high architectural requirements?
- Yes, steel rebars can be used in buildings with high architectural requirements. Steel rebars provide the necessary strength and structural integrity required for such buildings, while also allowing for flexibility in design and construction. They can be easily shaped and bent to meet specific architectural demands, ensuring both functionality and aesthetic appeal in the building's design.
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GB Standard HRB400 Steel Deformed Bar 10mm/12mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 20000 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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