Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering high quality Hot Rolled Rebars at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to Africa, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
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..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: The products are invoicing on theoritical weight or on actual weight?
A2: We can do it in both manners, according to the customers' request.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
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- Q:How do steel rebars affect the overall corrosion resistance of marine structures?
- The overall corrosion resistance of marine structures is significantly affected by steel rebars. Depending on various factors, the presence of steel rebars in concrete marine structures can either enhance or deteriorate their resistance to corrosion. To begin with, when appropriate preventive measures are taken, steel rebars can enhance corrosion resistance. For example, if the rebars are adequately coated with anti-corrosion materials like epoxy or zinc, they can provide an additional layer of protection against the corrosive effects of seawater. Moreover, ensuring proper concrete cover and compaction during construction can help prevent seawater from penetrating the rebars, reducing the risk of corrosion. Conversely, if steel rebars are not properly coated or if the concrete cover is insufficient, they can contribute to the degradation of marine structures. When exposed to the aggressive marine environment, rebars can corrode, leading to rust formation. Rust occupies more space than steel, causing expansion that exerts pressure on the surrounding concrete. This pressure can result in concrete cracking and spalling, further exposing the rebars to corrosion and compromising the overall structural integrity of the marine structure. Regular maintenance and inspection are crucial to mitigate the negative effects of steel rebars on corrosion resistance. Periodic inspections can help identify any signs of corrosion, enabling timely repairs or replacement of rebars. Additionally, implementing cathodic protection systems can provide an electrochemical countermeasure against corrosion, ensuring the longevity and durability of the marine structure. In conclusion, steel rebars play a vital role in the corrosion resistance of marine structures. Proper coating, concrete cover, and maintenance measures are essential to ensure the positive contribution of rebars to corrosion resistance. Neglecting these factors can lead to the degradation of marine structures.
- Q:Are there any specific safety guidelines for working with steel rebars?
- Yes, there are specific safety guidelines for working with steel rebars. Some of the key safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots. Workers should also be trained on safe handling techniques to avoid injuries from sharp edges or falling rebars. It is important to ensure a safe working environment by properly storing and stacking rebars, securing them to prevent movement, and using caution when cutting or bending them. Regular inspections and maintenance of tools and equipment are also essential for safety.
- Q:Can steel rebars be used in energy-efficient buildings?
- Certainly! Energy-efficient buildings can indeed incorporate steel rebars. These rebars are commonly utilized in the construction of reinforced concrete structures, including those that prioritize energy efficiency. Energy-efficient buildings aim to decrease energy consumption and minimize their environmental footprint. Although steel is a material with high embodied energy, meaning it requires a substantial amount of energy for production, it boasts numerous advantages for energy-efficient buildings. To begin with, steel rebars lend structural strength to reinforced concrete, enabling the creation of robust and long-lasting structures. This is pivotal for energy-efficient buildings, as their goal is to have an extended lifespan and reduced maintenance requirements, thereby lessening their overall environmental impact. Additionally, steel rebars can be employed in the construction of energy-efficient building components, such as insulated concrete forms (ICFs) and precast concrete panels. These building systems possess exceptional thermal insulation properties, which decrease heat transfer and enhance energy efficiency. Steel rebars are utilized to reinforce these components, ensuring their structural integrity. Furthermore, the thermal mass characteristics of concrete, reinforced by steel rebars, can contribute to a building's energy efficiency. Concrete has the capability to absorb and store heat, aiding in the regulation of indoor temperatures and reducing the need for excessive heating or cooling. Consequently, this can result in significant energy savings throughout a building's lifespan. It is important to note that the energy efficiency of a building is contingent upon various factors, including insulation, window design, HVAC systems, and the integration of renewable energy. While steel rebars play a vital role in reinforced concrete structures, their impact on overall energy efficiency should be evaluated in conjunction with other design choices and building materials.
- Q:What are the advantages of using steel rebars over other reinforcement materials?
- There are several advantages of using steel rebars over other reinforcement materials. Firstly, steel rebars have high tensile strength, which means they can withstand heavy loads and prevent structural failure. Secondly, steel rebars provide excellent bonding with concrete, ensuring a strong and durable composite material. Additionally, steel rebars are readily available and cost-effective compared to alternative materials like fiberglass or carbon fiber. Lastly, steel rebars have good resistance to fire, corrosion, and natural elements, making them suitable for various construction projects in different environments.
- Q:Can steel rebars be used in tunnel lining construction?
- Yes, steel rebars can be used in tunnel lining construction. In fact, steel rebars are commonly used in tunnel lining because of their high tensile strength and durability. They provide structural reinforcement to the concrete lining, ensuring its stability and long-term performance. The rebars are typically embedded within the concrete lining, forming a strong composite structure that can withstand the loads and pressures experienced in tunnel environments. Additionally, steel rebars can be easily shaped and bent to follow the contour of the tunnel, allowing for efficient and precise construction. Overall, steel rebars are an essential component in tunnel lining construction, providing the necessary strength and structural integrity to ensure the safety and longevity of the tunnels.
- Q:How are steel rebars protected against theft on construction sites?
- Steel rebars are often protected against theft on construction sites through various security measures. These measures can include the use of surveillance cameras, security guards, fencing, and locked storage areas. Additionally, some construction sites may employ the use of tagging or marking systems on the rebars themselves to make them easily traceable and identifiable.
- Q:What is the role of steel rebars in the construction of wastewater treatment plants?
- Steel rebars play a crucial role in the construction of wastewater treatment plants as they provide structural reinforcement to concrete elements. By adding strength and stability, rebars help ensure the longevity and durability of the treatment plant infrastructure, which is essential for withstanding the corrosive and harsh environment found in wastewater treatment facilities.
- Q:What is the average lifespan of steel rebars in marine environments?
- The average lifespan of steel rebars in marine environments varies depending on several factors such as the quality of the steel, level of exposure to saltwater and other corrosive elements, maintenance practices, and design considerations. However, with proper corrosion protection measures and regular maintenance, steel rebars in marine environments can typically last around 30 to 50 years.
- Q:How are steel rebars classified based on their shapes?
- Various types of steel rebars are categorized according to their shapes. Among the commonly used types is the plain round bar, which is a straight cylindrical rod without any deformations or protrusions. Another type is the deformed bar, which possesses deformations or ribs on its surface. These deformations effectively enhance the bond between the bar and the concrete, thereby improving the overall structural strength. Deformed bars come in different patterns of deformations, including ribbed, twisted, and indented. Ribbed bars have evenly spaced protrusions along their length, which increase the surface area and enhance the grip with the concrete. Twisted bars, on the other hand, showcase a helical pattern of deformations, providing a strong grip. Indented bars feature small indentations or notches on their surface, thereby enhancing the bond strength. In addition to plain round and deformed bars, there are also specialized shapes available for specific applications. These include square bars, which have a square cross-section, and rectangular bars, which possess a rectangular cross-section. These shapes are often utilized in scenarios where the rebars need to be positioned in a particular orientation or where additional strength is required in a specific direction. Overall, the classification of steel rebars based on their shapes permits the selection of the most suitable type for various construction projects, taking into account factors such as bonding strength, load-bearing capacity, and specific design requirements.
- Q:How are steel rebars protected against electromagnetic interference?
- Steel rebars are typically protected against electromagnetic interference by utilizing concrete cover or concrete shielding, which acts as a barrier between the rebars and any external electromagnetic fields. This cover helps to minimize the impact of electromagnetic interference on the rebars and ensures their structural integrity.
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Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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