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
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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: Can steel channels be used for suspended ceilings?
- Yes, steel channels can be used for suspended ceilings. They provide structural support and can be easily installed to create a sturdy framework for the suspended ceiling tiles.
- Q: How do steel channels contribute to the overall energy efficiency of a building?
- Steel channels can contribute to the overall energy efficiency of a building in several ways. Firstly, they offer structural support, allowing for the construction of taller and larger buildings with less material, reducing overall energy consumption during the construction phase. Additionally, steel channels are often used for insulation purposes, acting as thermal barriers to minimize heat transfer and improve the building's insulation efficiency. Furthermore, steel channels can be designed to accommodate wiring and plumbing systems, optimizing space utilization and reducing energy losses associated with long wire or pipe runs. Overall, steel channels play a crucial role in enhancing the energy efficiency of a building by providing strength, insulation, and efficient utility distribution.
- Q: Can steel channels be used in airport terminal construction?
- Indeed, airport terminal construction does utilize steel channels. These channels, renowned for their robustness and resilience, are frequently employed in construction endeavors, including the creation of airport terminals. Their primary function is to offer structural support, serving as frames, reinforcements, and fulfilling diverse roles throughout the construction of these terminals. Steel channels are particularly favored in airport terminal construction due to their ability to withstand substantial burdens, rendering them apt for supporting sizable structures and guaranteeing the safety and stability of the terminal edifice. Moreover, steel channels can be effortlessly fabricated and installed, facilitating proficient construction procedures within airport terminal projects.
- Q: Geometrical dimension of channel steel channel 8
- GB material. Now a lot of non-standard (lower tolerance. National standard difference 5~7%)
- Q: Such questions. Ask an expert to help advise!!
- Double story building, intermediate layer with channel steel and cast in place each has advantages and disadvantages, the following detailed description:1 、 cast-in-placeAdvantages: strong, relatively sound insulationDisadvantages: self importantMethods: in the load-bearing wall planting steel, tied with steel, formwork, pouring 10~12cm, waiting for about 28 days molding (summer time is slightly shorter)
- Q: What are the considerations for steel channel connections to steel beams?
- There are several important factors that need to be taken into account when considering connections between steel channels and steel beams. The first and most important factor is to ensure that the connection is structurally sound and capable of withstanding the intended loads and forces. This requires a thorough analysis of the design requirements, including the anticipated loads, the geometry of the channel and beam, and any applicable building codes or regulations. One factor to consider is the type of connection that will be used. Welding, bolting, or a combination of both are common options. The choice will depend on factors such as the strength requirements, the ease of installation, and any specific constraints or limitations imposed by the project. Another factor to consider is the connection detailing. This involves determining the specific dimensions, tolerances, and clearances required for the connection to ensure a proper fit and alignment. The detailing should also address any potential issues that may arise during fabrication, transportation, and erection, such as distortion or misalignment of the components. It is also important to consider the potential for corrosion and its impact on the connection. Steel channel connections to steel beams are susceptible to corrosion, especially in environments with high humidity, saltwater exposure, or chemical contaminants. To ensure the longevity and durability of the connection, proper corrosion protection measures, such as coatings, galvanization, or the use of corrosion-resistant materials, should be implemented. Additionally, the connection method should allow for any necessary adjustments or modifications. This is particularly important in cases where the channel may need to be repositioned or replaced in the future. The connection should be designed to allow for easy disconnection, reconnection, or adjustment without compromising the overall structural integrity. Lastly, it is crucial to consider the cost and time implications of the chosen connection method. Different connection methods have varying costs and installation times, and these factors should be carefully considered in relation to the project budget and schedule. In conclusion, the considerations for steel channel connections to steel beams involve structural integrity, connection type, detailing, corrosion protection, adjustability, and cost/time implications. By carefully addressing these factors, a reliable and efficient connection can be achieved, ensuring the overall stability and strength of the steel structure.
- Q: How do steel channels contribute to the overall sound insulation of a structure?
- Steel channels can contribute to the overall sound insulation of a structure in several ways. Firstly, steel channels are often used as framing components in walls, ceilings, and floors. They provide a rigid structure that helps to minimize vibrations and reduce the transmission of sound waves. Additionally, steel channels can be filled with insulation materials such as mineral wool or fiberglass, which further enhance their soundproofing capabilities. These insulation materials absorb sound energy and reduce its transfer through the channels, effectively increasing the sound insulation of the structure. Moreover, steel channels can be used to create double-wall or staggered stud constructions, which are known for their excellent soundproofing properties. By incorporating multiple layers of steel channels and insulation materials, these constructions create air gaps that act as sound barriers, preventing sound waves from passing through. This technique is particularly effective in reducing airborne noise, such as voices, music, or traffic sounds. Furthermore, steel channels can be used to mount resilient sound isolation clips or brackets, which help to decouple walls or ceilings from the structure. This decoupling prevents vibrations and impact noise from transferring between different areas of the building, enhancing the overall sound insulation. In summary, steel channels contribute to the overall sound insulation of a structure by providing a rigid framework, allowing for the inclusion of insulation materials, creating double-wall or staggered stud constructions, and facilitating the use of resilient sound isolation clips. By employing these techniques, steel channels help to minimize the transmission of sound waves and create a quieter and more comfortable environment within the building.
- Q: Do steel channels have any specific acoustic properties?
- Yes, steel channels do have specific acoustic properties. Due to their rigid structure and dense material, steel channels are known for their high sound transmission loss, providing effective sound insulation. Additionally, they exhibit low resonance and vibration, reducing the potential for noise amplification or distortion. These acoustic properties make steel channels a preferred choice in various applications that require sound control and acoustic performance.
- Q: How do steel channels contribute to LEED certification?
- Steel channels can contribute to LEED certification by fulfilling various sustainable building requirements. They can aid in achieving points in the Materials and Resources category, as steel channels are often made from recycled materials and, when their lifespan is over, can be easily recycled again. Additionally, steel channels can contribute to energy efficiency and indoor air quality, as they can be used in the construction of energy-efficient building envelopes and HVAC systems. Moreover, steel channels are durable, long-lasting, and low-maintenance, reducing the need for replacements or repairs, thus minimizing waste generation. Overall, incorporating steel channels in a construction project can enhance its sustainability and help in obtaining LEED certification.
- Q: Are steel channels resistant to corrosion?
- Yes, steel channels are generally resistant to corrosion. They are commonly made from stainless steel or galvanized steel, both of which have protective coatings that provide excellent resistance against rust and corrosion.
1. Manufacturer Overview
| Location | Tianjin, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 15 Million |
| Main Markets | Southeast Asia; Africa |
| Company Certifications |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| 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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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
OKorder Financial Service
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