U-channel Bars 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:
| Minimum Order Quantity: | 25MT | Unit: | m.t. | Loading Port: | Xingang Port |
| Supply Ability: | 120000TON/Year | Payment Terms: | TT or LC |
Product Applications:
Hot Rolled U-channels are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Hot Rolled U-channels 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: Q195 – 235
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
1. We are definitely speciallizing in manufacturing and supplying channel steel as per japanese standard, which is characterised with high mechanical strength and competitive prices.
Original Place | Tangshan, China | Brand Name | UINDA |
Standard | JIS G3192 : 1990 | ||
Material Grade | SS490 | ||
Sizes | 50mm to 200mm | ||
Sales Volume/Year | 3000MT | ||
Destination Area | Middle East, Africa, Southeast Asia | ||
2. The sections in details are as followings in the table-1
JIS U CHANNEL | Standard | Sectional | Dimension |
| Mass: |
| (mm) | (mm) | (mm) | (mm) |
|
50x25 | 50 | 25 | 3.0 | 6.00 | 2.37 |
75X40 | 75 | 40 | 3.8 | 7.00 | 5.30 |
75X40 | 75 | 40 | 4.0 | 7.00 | 5.60 |
75X40 | 75 | 40 | 4.5 | 7.00 | 5.85 |
75X40 | 75 | 40 | 5.0 | 7.00 | 6.92 |
|
|
|
|
|
|
100X50 | 100 | 50 | 3.8 | 6.00 | 7.30 |
100X50 | 100 | 50 | 4.2 | 6.00 | 8.03 |
100X50 | 100 | 50 | 4.5 | 7.50 | 8.97 |
100X50 | 100 | 50 | 5.0 | 7.50 | 9.36 |
|
|
|
|
|
|
125X65 | 125 | 65 | 5.2 | 6.80 | 11.66 |
125X65 | 125 | 65 | 5.3 | 6.80 | 12.17 |
125X65 | 125 | 65 | 5.5 | 8.00 | 12.91 |
125X65 | 125 | 65 | 6.0 | 8.00 | 13.40 |
|
|
|
|
|
|
150x75 | 150 | 75 | 5.5 | 7.30 | 14.66 |
150x75 | 150 | 75 | 5.7 | 10.00 | 16.71 |
150x75 | 150 | 75 | 6.0 | 10.00 | 17.90 |
150x75 | 150 | 75 | 6.5 | 10.00 | 18.60 |
150x75 | 150 | 75 | 6.5 | 10.00 | 24.00 |
|
|
|
|
|
|
200X80 | 200 | 80 | 7.5 | 11.00 | 24.60 |
Table-1
3. The mechanical property of JIS U Channel Steel in the table-2:
Grade | Yield Strength，N/mm² | Extension Strength N/mm² | |||
Thickness of Steel,mm | |||||
≦16 | ＞16-≦40 | ＞40-≦100 | ＞100 | ||
SS490 | ≧285 | ≧275 | ≧255 | ≧245 | 490-610 |
Table-2
4. The chemical composition of JIS U Channel Steel as per SS490 in the table-3
Grade | Element(%) | |||
C | Mn | P | S | |
SS490 | - | - | ≦0.050 | ≦0.050 |
Table-3
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: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
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.
Images:
- Q: Can steel rebars be used in tunnel boring machine (TBM) construction?
- Steel rebars are indeed utilized in the construction of tunnel boring machines (TBMs). In the construction sector, rebars are a commonly employed means of reinforcing concrete structures, including tunnels built with TBMs. The objective of incorporating rebars is to furnish the concrete lining of the tunnel with added strength and durability. These rebars are typically inserted into the concrete lining during the construction process, augmenting its structural integrity and capacity to withstand external forces. In TBM construction, the rebars are meticulously positioned and secured to ensure proper reinforcement throughout the tunnel. Consequently, steel rebars assume a pivotal role in the construction of tunnels utilizing TBMs.
- Q: Can steel rebars be used in corrosive environments?
- To ensure the longevity and structural integrity of steel rebars in corrosive environments, certain precautions must be taken. Corrosive environments, like those with high levels of moisture, saltwater, or chemical exposure, can accelerate the corrosion process of steel rebars and potentially cause structural damage. To mitigate this risk, there are various strategies that can be implemented. One common approach involves the use of corrosion-resistant reinforcing materials, such as stainless steel rebars or epoxy-coated rebars. These materials offer an additional layer of protection against corrosion and have proven to be effective even in highly corrosive environments. Another approach involves the utilization of corrosion inhibitors, which are chemicals that can be added to the concrete mix or directly applied to the steel surface. These inhibitors create a protective layer around the rebars, inhibiting corrosive agents from reaching the steel and slowing down the corrosion process. Furthermore, it is crucial to maintain an adequate thickness of concrete cover to protect the rebars from exposure to corrosive elements. Sufficient concrete cover acts as a barrier, preventing moisture and other corrosive agents from reaching the steel. Regular inspection and maintenance play a vital role in identifying early signs of corrosion. If corrosion is detected, appropriate measures should be taken to repair or replace the affected rebars, ensuring the structural integrity of the project. In conclusion, while steel rebars can be used in corrosive environments, it is essential to consider the specific conditions and employ the appropriate strategies to protect against corrosion. By using corrosion-resistant materials, applying inhibitors, maintaining proper concrete cover, and conducting regular inspections, the lifespan and performance of steel rebars in corrosive environments can be significantly enhanced.
- Q: What is the resistance of steel rebars against acid attacks?
- Due to the protective layer of rust that forms on their surface, steel rebars exhibit a high resistance to acid attacks. This layer, commonly known as iron oxide, acts as a barrier, effectively preventing direct contact and corrosion between the steel and the acid. Furthermore, the steel rebars' resistance to acid attacks is enhanced by their high carbon content, which results in the formation of a protective film that provides additional shielding from acid damage. However, it is important to bear in mind that extended exposure to highly concentrated or corrosive acids may still cause some degree of corrosion, although at a slower pace compared to other metals. Therefore, it is recommended to carefully choose the appropriate grade of steel rebar and implement supplementary protective measures, such as coatings or concrete coverings, in order to ensure optimal resistance against acid attacks in specific applications.
- Q: What are the guidelines for storing steel rebars on a construction site?
- When it comes to storing steel rebars on a construction site, there are several guidelines that should be followed to ensure safety and maintain the quality of the rebars. Here are some key guidelines: 1. Location: Select a designated area on the construction site that is flat, clean, and well-drained for storing the rebars. Avoid areas prone to flooding or excessive moisture. 2. Elevation: Keep the rebars off the ground by using wooden or concrete blocks to prevent direct contact with soil or water. This helps prevent rusting and corrosion. 3. Stacking: Stack the rebars in a stable manner, ensuring that they are aligned vertically and horizontally to maintain their shape and prevent any bending or warping. Use spacers or crates between layers to maintain proper spacing and prevent entanglement. 4. Protection from elements: Cover the rebars with a waterproof tarp or plastic sheet to protect them from rain, snow, or excessive sunlight. This helps prevent rusting and degradation of the rebars. 5. Separation: Store different sizes and types of rebars separately to avoid mixing or confusion during construction. Clearly label and mark each stack to identify the type, size, and grade of the rebars. 6. Accessibility: Ensure easy access to the rebars for construction workers by organizing them in a logical manner. Place smaller rebars on top for easy retrieval and avoid storing heavy rebars on top of lighter ones to prevent damage. 7. Safety precautions: Maintain a safe distance between the rebars and any heavy machinery or equipment to minimize the risk of accidents. Secure the rebars properly to prevent them from falling or causing injury. 8. Regular inspection: Regularly inspect the rebars for any signs of damage, rust, or corrosion. Replace or repair any damaged or compromised rebars to avoid compromising the structural integrity of the construction project. By adhering to these guidelines, construction sites can ensure the proper storage of steel rebars, promoting safety, efficiency, and the longevity of the rebars.
- Q: How are steel rebars tested for quality and strength?
- Steel rebars are tested for quality and strength through various methods such as visual inspection, dimensional checks, chemical composition analysis, and mechanical testing. Visual inspection ensures that there are no visible defects or irregularities on the surface. Dimensional checks verify that the rebars meet the specified size and shape requirements. Chemical composition analysis determines the elemental composition of the steel, ensuring it meets the required standards. Mechanical testing involves subjecting samples to tension, bending, or impact tests to assess their strength and confirm they can withstand the expected loads.
- Q: How do steel rebars contribute to the energy efficiency of a building?
- Steel rebars contribute to the energy efficiency of a building by enhancing its structural integrity and durability. By reinforcing concrete structures, such as walls, columns, and beams, steel rebars help distribute and withstand the loads imposed on the building. This reduces the risk of structural failure and allows for the use of thinner concrete sections, which in turn saves on material and reduces the overall weight of the building. Consequently, the lighter building requires less energy for construction and transportation, and also decreases the demand on heating, cooling, and lighting systems, resulting in improved energy efficiency.
- Q: How do steel rebars contribute to the overall cost-effectiveness of a construction project?
- Steel rebars contribute to the overall cost-effectiveness of a construction project by providing structural strength and durability, reducing the need for frequent repairs or replacements. Their high tensile strength allows for the use of thinner and lighter concrete structures, reducing material and transportation costs. Additionally, steel rebars enhance the overall construction process, enabling faster and more efficient construction, thus saving time and labor costs.
- Q: Can steel rebars be welded?
- Yes, steel rebars can be welded. Welding is a common method used to join steel rebars together in construction projects.
- Q: What is the impact of steel rebars on the overall sustainability of a building?
- Steel rebars have a significant impact on the overall sustainability of a building due to their various environmental, economic, and social implications. Firstly, steel rebars contribute to the durability and resilience of the structure, enhancing the longevity of the building. This means that the building will require fewer repairs and renovations over its lifespan, reducing the need for additional resources and minimizing waste. In terms of environmental impact, steel rebars can be recycled, reducing the demand for new steel production and the associated carbon emissions. Recycling steel rebars also saves energy and reduces the extraction of raw materials, such as iron ore and coal. Additionally, steel rebars can be salvaged and reused in other construction projects, further extending their lifespan and reducing waste. From an economic standpoint, the use of steel rebars can lead to cost savings in construction and maintenance. Steel is a versatile and strong material, allowing for lighter and more efficient designs, which can result in reduced material and labor costs. Moreover, the recyclability and salvagability of steel rebars can provide economic benefits through the resale or repurposing of the material. Furthermore, steel rebars play a crucial role in ensuring the safety and structural integrity of buildings, especially in areas prone to earthquakes or high winds. By providing reinforcement to concrete, steel rebars enhance the resistance of the building to external forces, reducing the risk of collapse or damage during natural disasters. This aspect of safety is essential for the wellbeing of occupants and the community at large. In conclusion, steel rebars have a positive impact on the overall sustainability of a building. They contribute to durability, reduce environmental impacts through recycling and reuse, offer economic benefits, and enhance the safety of the structure. Incorporating steel rebars in construction projects can significantly improve the long-term sustainability and resilience of buildings.
- Q: How do steel rebars help in reducing construction time?
- Steel rebars help in reducing construction time in several ways: 1. Strength and durability: Steel rebars provide additional strength and durability to concrete structures, allowing for faster construction techniques. This means that builders can rely on the strength of rebars to support the weight of the structure, reducing the need for slower and more time-consuming construction methods. 2. Reinforcement: By reinforcing concrete with steel rebars, the overall structural integrity of the building is enhanced. This enables builders to use thinner concrete sections without compromising the strength of the structure. Thinner sections require less material and are quicker and easier to pour and cure, saving construction time. 3. Speed of installation: Steel rebars are easy to handle and install, which speeds up the construction process. They can be easily cut and bent to fit the desired shape and size, allowing for efficient installation. This eliminates the need for complex and time-consuming formwork, reducing construction time. 4. Flexibility: Steel rebars offer flexibility in design and construction, allowing for innovative and efficient building techniques. They can be used in various applications, such as beams, columns, and slabs, giving architects and engineers the freedom to design structures that can be constructed quickly and efficiently. 5. Resistance to natural disasters: Steel rebars provide added resistance to seismic activity and other natural disasters. By reinforcing concrete with rebars, structures become more resilient, reducing the risk of damage and accelerating the construction process. This is particularly important in areas prone to earthquakes or extreme weather conditions. Overall, steel rebars play a crucial role in reducing construction time by providing strength, durability, and flexibility. Their ease of installation, coupled with their ability to reinforce concrete structures, allows for faster construction methods and efficient use of materials.
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U-channel Bars 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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