Cold-Rolled C Bar
- Ref Price:
-
- Loading Port:
- Tianjin Port,China
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20Tons m.t.
- Supply Capability:
- 1000 tons per month m.t./month
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Specifications of Cold-Rolled C Bar:
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.
2. The sections in details are 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 mechanical property of Cold-Rolled C Bar in the table-2:
Grade | Yield Strength，N/mm² | Extension Strength N/mm² | |||
Thickness of Steel,mm | |||||
≦16 | ＞16-≦40 | ＞40-≦100 | ＞100 | ||
SS330 | ≧205 | ≧195 | ≧175 | ≧165 | 330-430 |
SS400 | ≧245 | ≧235 | ≧215 | ≧205 | 400-510 |
SS490 | ≧285 | ≧275 | ≧255 | ≧245 | 490-610 |
SS540 | ≧400 | ≧390 | - | - | ≧540 |
Table-2
4. The chemical composition of Cold-Rolled C Bar in the table-3
Grade | Element(%) | |||
C | Mn | P | S | |
SS330 | -- | -- | ≦0.050 | ≦0.050 |
SS400 | ||||
SS490 | ||||
SS540 | ≦0.30 | ≦1.60 | ≦0.040 | ≦0.040 |
Table-3
Usage of Cold-Rolled C Bar:
1.The Cold-Rolled C Bar can be devided into two kinds, namely common channel steel and light channel steel. The sizes of CR rolled common channel steel range from 5# to 40#. Meanwhile, the channel steel can be divided into cold forming sectional equal channel steel, cold forming sectional unequal channel steel, cold forming inner edge channel steel and outer edge channel steel.
2.The Cold-Rolled C Bar 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. The channel steel with sizes under 14# is usually applied to construction engineering, as purline, while the channel steel with sizes above 16# is more likely to be used in building vehicle chassis structure and mechanical structure. Furthermore, the channel steel in sizes above 30# are target at building bridge structure, as tension bar.
3.In a word, the channel steel must possess perfect welding property, riveting property and mechanical property and so on.
Package & Delivery of Cold-Rolled C Bar:
1.The Cold-Rolled C 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 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 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 rolled steel channel should be put onto the cooling bed to make the temperature low.
4. The Cold-Rolled C Bar should be straighted on the straightener.
5. The straighted steel u channel will be cut into meters by saw, as per customer's requirements.
6. At the last part of production, the channel steel must be tested in order to confirm that the finished products are completely free from crack, pore, slag, scab or fold on the surface.
- Q:What do you mean by "A" in the channel type?
- The same waist height, according to its thickness is divided into a, B, B, C or a.
- Q:How do steel channels compare to timber or concrete channels?
- Steel channels have several advantages over timber or concrete channels. Firstly, steel channels are stronger and more durable than timber channels. They have a higher load-bearing capacity and can withstand heavy loads without warping or bending. This makes steel channels ideal for applications where strength and durability are crucial, such as in construction projects or industrial settings. Secondly, steel channels are more resistant to environmental factors such as moisture, rot, and pests, which can significantly affect timber channels. Steel channels do not require regular maintenance, unlike timber channels, which may need to be treated or replaced over time. Additionally, steel channels offer greater design flexibility compared to timber or concrete channels. Steel channels can be easily fabricated and customized to fit specific dimensions and requirements. This makes them suitable for a wide range of construction and engineering projects. Furthermore, steel channels have a longer lifespan compared to timber or concrete channels. They are not prone to decay or degradation, ensuring that they will last for many years without the need for replacement. This can result in cost savings in the long run, as there is no need for frequent repairs or replacements. Overall, steel channels provide superior strength, durability, resistance to environmental factors, and design flexibility compared to timber or concrete channels. They are a reliable and efficient choice for various construction and engineering applications.
- Q:What are the different cross-sectional shapes of steel channels?
- Steel channels are commonly used structural components that are available in various cross-sectional shapes. The different shapes of steel channels include C channels, U channels, and Z channels. C channels, also known as C-sections or C beams, have a distinctive C-shaped profile. They have a wide top and narrow bottom, with two flanges extending outwards at a right angle from the web. C channels are commonly used in construction and engineering applications, providing structural support and stability. U channels, also referred to as U-sections or U beams, have a U-shaped profile. They have parallel flanges that are connected by a web in the middle. U channels are widely used in manufacturing and industrial applications, particularly in conveyor systems, support structures, and framing. Z channels, also known as Z-sections or Z beams, have a Z-shaped profile. They have a vertical web with two flanges that are angled outward in opposite directions. Z channels are often used in construction and architectural applications, providing strength and stability in various structural elements like roof purlins and wall studs. Each of these cross-sectional shapes has its own unique characteristics and advantages, making them suitable for different applications. The choice of steel channel shape depends on factors such as load-bearing requirements, structural design, and specific project needs.
- Q:What are the different types of steel channel connections for floor framing?
- For floor framing, there exist various types of connections for steel channels. 1. Welded Connections: The most commonly used connection for steel channel floor framing is welding. This involves welding the channels at the joints, resulting in a robust and long-lasting connection. Welded connections are suitable for heavy loads and high levels of vibration. 2. Bolted Connections: Another option is using bolts to connect the channels. This type of connection allows for easy disassembly and reassembly, making it ideal for situations where modifications or relocation may be necessary. Bolted connections are also more cost-effective than welded connections and can handle lighter loads. 3. Riveted Connections: Riveted connections involve using rivets instead of bolts to connect the channels. This type of connection offers a strong and secure bond and is often preferred for its traditional or aesthetic appearance. 4. Clip Connections: Clip connections involve using clips or brackets to hold the channels together. This type of connection is quick and easy to install and does not require welding or drilling. Clip connections are commonly used when quick assembly or potential future disassembly is desired. 5. Moment Connections: Moment connections are suitable when the channels need to resist bending moments or torsion. These connections provide a rigid bond between the channels, enabling effective load transfer. Moment connections are more complex and require meticulous design and installation. In summary, the choice of steel channel connection for floor framing depends on factors such as load requirements, project specifications, and budget. It is advisable to seek guidance from a structural engineer or professional to determine the most suitable connection type for your specific application.
- Q:How are steel channels resistant to corrosion?
- Steel channels are resistant to corrosion due to the presence of a protective oxide layer on their surface. This oxide layer forms naturally through a process called passivation, where a thin layer of chromium oxide is created on the steel's surface when it is exposed to oxygen in the air. This oxide layer acts as a barrier that prevents oxygen and moisture from coming into contact with the underlying steel, thereby inhibiting the corrosion process. Additionally, steel channels can also be further protected from corrosion through the application of various coatings and treatments such as galvanization or painting. These measures provide an additional layer of protection against the corrosive elements, thereby enhancing the overall corrosion resistance of steel channels.
- Q:What are the considerations for steel channel connections to timber structures?
- When considering steel channel connections to timber structures, there are a few important factors to take into account. These considerations include the compatibility of materials, load capacity, joint design, and potential for corrosion. First and foremost, it is crucial to ensure that the steel channel and timber are compatible materials. This involves assessing the mechanical properties of both materials, such as their strength and stiffness. Additionally, any potential chemical reactions between the materials should be considered to avoid corrosion or degradation. The load capacity of the connection is another crucial consideration. The steel channel must be able to support the anticipated loads without compromising the structural integrity of the timber. This requires a thorough analysis of the applied loads, including static and dynamic forces, as well as any potential impact or wind loads. The design of the joint is also critical for a successful connection. The steel channel should be properly sized and positioned to distribute the loads evenly across the timber members. This may involve using appropriate fasteners, such as bolts or screws, and ensuring that they are properly installed and tightened to achieve the desired level of connection strength. Finally, the potential for corrosion should be carefully evaluated. Steel is susceptible to corrosion when exposed to moisture or chemicals, which can weaken the connection over time. Proper protective measures, such as galvanizing or coating the steel channel, should be considered to prevent corrosion and extend the lifespan of the connection. Overall, when connecting steel channels to timber structures, it is essential to consider material compatibility, load capacity, joint design, and corrosion prevention to ensure a safe and durable connection. By addressing these considerations, the connection can effectively transfer loads and maintain the structural integrity of the timber structure.
- Q:Do steel channels have any specific electrical conductivity properties?
- No, steel channels do not have any specific electrical conductivity properties as they are primarily used for structural purposes rather than conducting electricity.
- Q:Can steel channels be used in manufacturing equipment?
- Yes, steel channels can be used in manufacturing equipment. Steel channels, also known as C-channels or U-channels, are popular structural components in various industries due to their strength and versatility. They are commonly used to create frames, supports, and structures for machines and equipment. Steel channels provide stability and rigidity, making them suitable for handling heavy loads and withstanding dynamic forces during the manufacturing process. Additionally, steel channels can be easily welded, bolted, or fastened together, allowing for flexible and efficient construction of equipment. Overall, steel channels are a reliable choice for manufacturing equipment due to their durability, strength, and ease of use.
- Q:What are the different finishes available for steel channels?
- There are several different finishes available for steel channels, including hot-dip galvanized, painted, powder coated, and stainless steel. Each finish offers unique benefits in terms of corrosion resistance, aesthetics, and durability. Hot-dip galvanized channels are coated with a layer of zinc to protect against rust and are commonly used in outdoor and industrial applications. Painted channels offer a decorative finish and can be customized to match specific color requirements. Powder coated channels have a durable and chip-resistant finish and are often used in architectural and decorative applications. Stainless steel channels provide excellent corrosion resistance and are suitable for applications requiring high strength and hygiene standards.
- Q:10kV and below the distribution cabinet in the room, the basic channel should be higher than the indoor ground level? Which specification is clearly defined?
- 100MM, check GB50052.53.54. The book in the three is forgotten
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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Cold-Rolled C Bar
- Ref Price:
-
- Loading Port:
- Tianjin Port,China
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20Tons m.t.
- Supply Capability:
- 1000 tons per month m.t./month
OKorder Service Pledge
OKorder Financial Service
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