Cold-Rolled C Channel Bar
- Ref Price:
- Loading Port:
- Tianjin Port,China
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 1000 tons per month m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
- Credit Rating
- Credit Services
- Credit Purchasing
Specifications of Cold-Rolled C Channel Bar:
1.We supply high quality Cold-Rolled C Channel Bar at reasonable price, including Chinese standard, Japanese standard and so on.
Standard | GB/JIS/EN/ASTM/DIN |
Material Grade | Q235B,Q235,Q345,Q345B,SS400,S235JRG1,A36,ST37-2 |
Technique: | Cold Rolled |
Sizes as per chinese standard: |
80×40×20×2.5 - 180×60×20×2.5
|
Sizes as per Japanese standard: |
180×60×20×3 – 300×80×20×3 |
Length: | 6meter, 9meter, 12meter |
Note: we are also competent to provide our customers other Cold-Rolled C Channel Bar based on other sizes according to customer’s requirements.
2. The detailed sections of Cold-Rolled C Channel Bar as per GB standard.Just as followings in the table-1:
Size | Weight(kg/m) | Size | Weight(kg/m) |
80×40×20×2.5 | 3.925 | 180×60×20×3 | 8.007 |
80×40×20×3 | 4.71 | 180×70×20×2.5 | 7.065 |
100×50×20×2.5 | 4.71 | 180×70×20×3 | 8.478 |
100×50×20×3 | 5.652 | 200×50×20×2.5 | 6.673 |
120×50×20×2.5 | 5.103 | 200×50×20×3 | 8.007 |
120×50×20×3 | 6.123 | 200×60×20×2.5 | 7.065 |
120×60×20×2.5 | 5.495 | 200×60×20×3 | 8.478 |
120×60×20×3 | 6.594 | 200×70×20×2.5 | 7.458 |
120×70×20×2.5 | 5.888 | 200×70×20×3 | 8.949 |
120×70×20×3 | 7.065 | 220×60×20×2.5 | 7.4567 |
140×50×20×2.5 | 5.495 | 220×60×20×3 | 8.949 |
140×50×20×3 | 6.594 | 220×70×20×2.5 | 7.85 |
160×50×20×2.5 | 5.888 | 220×70×20×3 | 9.42 |
160×50×20×3 | 7.065 | 250×75×20×2.5 | 8.634 |
160×60×20×2.5 | 6.28 | 250×75×20×3 | 10.362 |
160×60×20×3 | 7.536 | 280×80×20×2.5 | 9.42 |
160×70×20×2.5 | 6.673 | 280×80×20×3 | 11.304 |
160×70×20×3 | 8.007 | 300×80×20×2.5 | 9.813 |
180×50×20×2.5 | 6.28 | 300×80×20×3 | 11.775 |
180×50×20×3 | 7.536 | ||
180×60×20×2.5 | 6.673 |
Table-1
3. The chemical composition of Cold-Rolled C Channel Bar according to Q235B is shown in Table-2.
Alloy No | Grade | Element(%) | ||||
C | Mn | S | P | Si | ||
Q235 | B | 0.12-0.20 | 0.3-0.7 | ≦0.045 | ≦0.045 | ≦0.3 |
Table-2
Note: we are able to present our customers relevant SGS test report for chemical composition of Cold-Rolled C Channel Bar.
4. The mechanical property of Cold-Rolled C Channel Bar according to Q235B is shown in Table-3-1 and Table-3-2
Alloy No | Grade | Yielding Strength Point(Mpa) | |||
Thickness(mm) | |||||
≦16 | >16-40 | >40-60 | >60-100 | ||
≧ | |||||
Q235 | B | 235 | 225 | 215 | 205 |
Table-3-1
Alloy No | Grade | Tensile Strength(Mpa) | Elongation After Fracture(%) | |||
Thickness(mm) | ||||||
≦16 | >16-40 | >40-60 | >60-100 | |||
≧ | ||||||
G235 | B | 375-500 | 26 | 25 | 24 | 23 |
Table-3-2
Note: we are able to present our customers relevant SGS test report for mechanical property of Cold-Rolled C Channel Bar as customer’s request.
Applications of Cold-Rolled C Channel Bar:
The Cold-Rolled C Channel Bar can be applied to construction of warehouses, workshops, sport stadiums and car parks etc.The hot rolled channel steel belongs to carbon structural steel which is applied to in the field of construction and machinery.In details, the hot rolled channel steel is usually used for arch-itechtural structure, and they could be welded in order to support or hang a vari-ety of facilities. They are also usually used in combination with I beam. Generally,the hot rolled channel steel we supply must possess perfect welding property, riveting property and mechanical property and so on.
Package & Delivery of Cold-Rolled C Channel Bar:
1.The Cold-Rolled C Channel Bar will be packed in bundle with steel wire at each end of every bundle and color marking in order to help the customer to recognize his goods more easily at sight.
2. And the Cold-Rolled C Channel Bar could be loaded into 20ft or 40ft container, or by bulk cargo.If the weight of each bundle reaches more than 3.5 mt, the loading by break bulk cargo should be choosed.When the weight of each bundle reaches less than 3mt, the loading by container should be choosed.
3.As for the transportaion from mill to loading port, the truck will be usually used. And the maximum quantity for each truck is 40mt.
4.All in all, we could do in accordance with customer's request.
Production Flow of Cold-Rolled C Channel Bar:
1.The steel billet shall be heated in the high temperature furnace.
2. The heated steel billet shall be rolled five to nine times with the aim of shaping the general figure of steel u channel.
3. The hot rolled channel steel should be put onto the cooling bed to make the temperature low.
4. The channel steel should be straighted on the straightener.
5. The straighted channel steel will be cut into meters by saw, as per customer's requirements.
- Q:
- The construction industry relies heavily on steel channels, which play a crucial role in maintaining the structural integrity of buildings. These channels, also known as C-channels or U-channels depending on their shape, provide essential support, stability, and strength to the overall structure. One of the primary functions of steel channels is their ability to bear heavy loads. They are commonly used in constructing beams, columns, and other structural elements that bear the weight of the building. Due to the high strength-to-weight ratio of steel, these channels effectively distribute and transfer loads, ensuring the stability of the building and preventing structural failures. Moreover, steel channels are highly versatile and can be easily fabricated into different shapes and sizes, making them suitable for a wide range of construction applications. They can be joined together through welding or bolting to create rigid frames, forming a robust framework for the building. This flexibility allows architects and engineers to design structures capable of withstanding various types of loads, including vertical, horizontal, and lateral forces. Additionally, steel channels offer excellent resistance to corrosion, which is particularly important in areas with high humidity or harsh weather conditions. Their durable nature ensures the longevity of the building, reducing the need for frequent maintenance and repairs. Another noteworthy advantage of steel channels is their fire resistance. Unlike other building materials, steel has a high melting point, making it less prone to structural failure during a fire. This characteristic enhances the safety of the building and contributes to its overall structural integrity. Furthermore, steel channels can contribute to the energy efficiency of the building. They can be designed to accommodate insulation materials, improving thermal performance and reducing energy consumption. By minimizing heat transfer and maintaining comfortable indoor temperatures, steel channels help create a more sustainable and cost-effective building. In conclusion, steel channels are essential components in ensuring the structural integrity of buildings. Their load-bearing capabilities, versatility, resistance to corrosion and fire, as well as their contribution to energy efficiency, make them a preferred choice for architects and engineers. By incorporating steel channels into the construction process, buildings can be constructed to withstand various forces and endure for a long time.
- Q:
- Indeed, machinery platforms can make use of steel channels. Owing to their robustness and endurance, steel channels are frequently employed in construction and industrial settings. They furnish structural reinforcement and steadfastness, rendering them suitable for bolstering weighty machinery and equipment atop platforms. Moreover, steel channels can be conveniently shaped and tailored to fulfill precise prerequisites, encompassing the dimensions and load-bearing capability indispensable for machinery platforms.
- Q:
- Yes, steel channels can be used in telecommunications towers. Steel channels have a range of applications due to their strength, durability, and versatility. In telecommunications towers, steel channels can be used for structural support, providing stability and load-bearing capacity for the tower. The channels can be fabricated and assembled to form the framework of the tower, allowing for the installation of various equipment such as antennas, transmitters, and receivers. Additionally, the design of steel channels allows for easy integration of cables and wiring, facilitating efficient connectivity throughout the tower. Overall, the use of steel channels in telecommunications towers ensures a sturdy and reliable infrastructure for efficient and effective communication networks.
- Q:
- There are several ways in which steel channels contribute to the overall sustainability of a structure. Firstly, steel is an incredibly durable and long-lasting material. It has resistance to corrosion, weathering, and degradation, meaning that structures built with steel channels have a longer lifespan compared to those made with other materials. This durability reduces the need for frequent repairs or replacements, ultimately decreasing the environmental impact associated with construction and demolition waste. Moreover, steel channels are both lightweight and strong, allowing for the efficient use of materials. This means that less steel is needed to achieve the same structural strength, resulting in reduced resource consumption and energy usage during the manufacturing process. Additionally, steel is a recyclable material, meaning that steel channels can be easily repurposed or recycled at the end of their life cycle. By recycling steel, the demand for new raw materials is reduced, and the energy required in the production of new steel is saved. Furthermore, steel channels offer great design flexibility and versatility, enabling architects and engineers to create innovative and sustainable structures. They can be easily shaped, welded, and assembled, making the construction process easier and allowing for a wide range of architectural designs. This flexibility also allows for future modifications or expansions without the need for extensive demolition or reconstruction. Lastly, steel channels possess excellent fire resistance properties. Steel is non-combustible and does not contribute to the spread or intensity of fires, enhancing the safety of the structure and reducing the risk to occupants and neighboring buildings. In conclusion, steel channels contribute to the overall sustainability of a structure through their durability, efficient use of materials, recyclability, design flexibility, and fire resistance. By choosing steel channels, we can create structures that are not only environmentally friendly but also safe, long-lasting, and cost-effective in the long term.
- Q:
- Certainly! Balcony supports can indeed utilize steel channels. In the realm of construction and engineering, steel channels are a popular choice due to their robustness and longevity. They offer exceptional structural reinforcement and are particularly well-suited for balconies. By employing adequate design and installation techniques, steel channels can effectively withstand the weight and burden of a balcony, ensuring its steadfastness and security. It is essential to seek guidance from a structural engineer or an experienced contractor to identify the precise dimensions and specifications of the steel channels needed for a given balcony design and load necessities.
- Q:What does channel C10 mean? What is the full name of C?
- Decent channel steel, with two thicker legs, does not curl (it rolls too tightly). Used for stressed structures.
- Q:
- Steel channels are generally known for their durability and strength, but their performance in corrosive environments can vary depending on the specific type of steel used and the severity of the corrosive conditions. In general, steel channels are resistant to corrosion due to their protective oxide layer that forms on the surface when exposed to oxygen in the air. This layer acts as a barrier, preventing further oxidation and protecting the steel from corrosion. However, when exposed to corrosive environments such as saltwater, acidic solutions, or industrial chemicals, the protective oxide layer can be compromised, leading to potential corrosion. The performance of steel channels in corrosive environments can be enhanced by using corrosion-resistant alloys or coatings. Stainless steel channels, for example, contain chromium and other alloying elements that provide excellent corrosion resistance. These channels are highly resistant to rust and can withstand even the most challenging environments. In more severe corrosive conditions, additional protective measures such as galvanizing or epoxy coatings can be applied to steel channels. Galvanizing involves coating the steel with a layer of zinc, which acts as a sacrificial anode, protecting the underlying steel from corrosion. Epoxy coatings create a barrier between the steel and the corrosive environment, preventing direct contact and minimizing the risk of corrosion. It is important to note that even with these protective measures, steel channels may experience corrosion over time, especially if not properly maintained. Regular inspection, cleaning, and maintenance can help identify and address any signs of corrosion early on, prolonging the lifespan and performance of the steel channels in corrosive environments. Overall, while steel channels can perform well in corrosive environments, it is essential to consider the specific conditions and choose the appropriate type of steel, coatings, or alloys to ensure optimal performance and longevity.
- Q:What kind of welding rod used for channel steel?
- 20 steel can use knot 422, knot 423, knot 424, knot 425; strength high occasion, knot 506, knot 507. 304 steel with Austria 102, Austria 107, Austria 002 welding rod.
- Q:How many pieces of channel steel?
- The raw material steel billet for channel steel is carbon or low alloy steel billets with a carbon content of not more than 0.25%. The finished channel steel is delivered by hot forming, normalizing or hot rolling. The specifications are shown in terms of waist height (H) * leg width (b) * and waist thickness (d) mm.
- Q:
- Curtain wall systems can utilize steel channels, which serve as the framing system and provide structural support for the attachment of glass panels or cladding materials. These systems are typically made of lightweight materials like aluminum or steel, creating a non-structural exterior wall system that protects against weather conditions. Steel channels offer numerous advantages, including their high strength-to-weight ratio, durability, and ability to be prefabricated off-site for efficient installation. Nonetheless, it is crucial to consider the specific design requirements and load calculations to ensure the steel channels meet the necessary structural and performance criteria for curtain wall systems.
1. Manufacturer Overview |
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Location | Tianjin, China |
Year Established | 2007 |
Annual Output Value | Above US$ 15 Million |
Main Markets | Southeast Asia; Africa |
Company Certifications |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Tianjin |
Export Percentage | 15%-20% |
No.of Employees in Trade Department | 11-20 People |
Language Spoken: | English; Chinese; |
b)Factory Information | |
Factory Size: | Above 6,500 square meters |
No. of Production Lines | 1 |
Contract Manufacturing | OEM service offered |
Product Price Range | average |
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