GB Standard Hot Rolled Steel U Channels for Constrction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
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pecifications of GB Standard Hot Rolled Steel U Channels for Constrction:
1.We provide chinese and japanese standard structure steel u channel for structure construction
2. The prices can be quoted on the theoretical weight or actual weight, just as customer's requriements.
3.Those material includes: Q235/SS400/ST37-2 Q345/ST5
4.The sections of GB Standard Structure Steel U Channel are as followings in the table-1:
GB U CHANNEL | Standard h | Sectional b | Dimension s | t | Mass: Kg/m |
(mm) | (mm) | (mm) | (mm) | ||
50X37 | 50 | 37 | 4.50 | 7.0 | 5.438 |
63X40 | 63 | 40 | 4.80 | 7.5 | 6.634 |
80x43 | 80 | 43 | 5.00 | 8.0 | 8.045 |
100x48 | 100 | 48 | 5.30 | 8.5 | 10.007 |
120x53 | 120 | 53 | 5.50 | 9.0 | 12.059 |
140x58 | 140 | 58 | 6.00 | 9.5 | 14.535 |
140x60 | 140 | 60 | 8.00 | 9.5 | 16.733 |
160x63 | 160 | 63 | 6.50 | 10.0 | 17.240 |
160x65 | 160 | 65 | 8.50 | 10.0 | 19.752 |
180x68 | 180 | 68 | 7.00 | 10.5 | 20.174 |
180x70 | 180 | 70 | 9.00 | 10.5 | 23.000 |
200x73 | 200 | 73 | 7.00 | 11.0 | 22.637 |
200x75 | 200 | 75 | 9.00 | 11.0 | 25.777 |
220x77 | 220 | 77 | 7.00 | 11.5 | 24.999 |
220x79 | 220 | 79 | 9.00 | 11.5 | 28.453 |
250x78 | 250 | 78 | 7.00 | 12.0 | 27.410 |
250x80 | 250 | 80 | 9.00 | 12.0 | 31.335 |
250x82 | 250 | 82 | 11.00 | 12.0 | 35.260 |
280x82 | 280 | 82 | 7.50 | 12.5 | 31.427 |
280x84 | 280 | 84 | 9.50 | 12.5 | 35.823 |
280x86 | 280 | 86 | 11.50 | 12.5 | 40.219 |
300x85 | 300 | 85 | 7.50 | 13.5 | 34.463 |
300x87 | 300 | 87 | 9.50 | 13.5 | 39.173 |
300x89 | 300 | 89 | 11.50 | 13.5 | 43.883 |
Table-1
Note: we are also competent to supply structure steel u channel as per other sections, which depends on the customer's requirements for the quantity.
5.The chemical composition of structure steel u channel as shown in the 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
Applications of GB Standard Hot Rolled Steel U Channels for Constrction:
1.Character: The Structure Steel U Channel belongs to carbon structural steel which is applied to in the field of construction and machinery.
2.The structure steel u channel is usually used for architectural structure, and they could be welded in order to support or hang a variety of facilities. They are usually used in combination with I beam.
3.Generally, the structure steel u channel must possess perfect welding property,riveting property as well as mechanical property.
Package & Delivery of GB Standard Hot Rolled Steel U Channels for Constrction:
The structure steel u channel 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.
And structure steel u channel could be loaded into 20ft or 40ft container, or by bulk cargo.If the weight of each bundle reaches less 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.
As for the transportaion from mill to loading port, the truck will be usually used. And the maximum quantity for each truck is 40mt.
All in all, we could do in accordance with customer's request.
- Q: What are the different welding methods for steel channels?
- There are several different welding methods that can be used for steel channels, depending on the specific application and desired results. Some of the most common welding methods for steel channels include: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, SMAW involves using an electrode coated in flux to create an arc between the electrode and the base metal. This method is versatile and can be used for both thick and thin steel channels, making it suitable for a wide range of applications. 2. Gas Metal Arc Welding (GMAW): Commonly referred to as MIG welding, GMAW uses a continuous wire electrode that is fed through a welding gun. The wire is melted and joined with the base metal while being shielded by a gas, typically a mixture of argon and carbon dioxide. This method is known for its speed and efficiency, making it ideal for high-volume production of steel channels. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW utilizes a continuous wire electrode, but instead of using a shielding gas, it uses a flux-filled tubular wire. This flux creates a protective shield around the weld, eliminating the need for an external gas supply. FCAW is commonly used for outdoor applications or in environments with strong drafts that could blow away the shielding gas. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG welding, GTAW uses a non-consumable tungsten electrode to create an arc and heat the base metal. A separate filler rod is then manually fed into the weld pool, creating the joint. GTAW is known for its precision and control, making it suitable for welding thin steel channels or when a high-quality weld is required. 5. Submerged Arc Welding (SAW): SAW involves feeding a continuous wire electrode into the joint while a layer of granular flux covers the weld zone. The arc is submerged beneath the flux, providing a protective atmosphere and preventing the weld from being exposed to the surrounding air. This method is commonly used for thicker steel channels or when high deposition rates are required. It is important to consider the specific requirements of the steel channel and the intended application when selecting a welding method. Each method has its advantages and limitations, so it is crucial to choose the most appropriate method for achieving the desired results in terms of strength, aesthetics, and efficiency.
- Q: What are the factors that affect the strength of steel channels?
- The factors that affect the strength of steel channels include the alloy composition, heat treatment, dimensions (such as width, height, and thickness), shape, and the presence of any defects or imperfections in the material. Additionally, the manufacturing process, including the quality of the steel and any surface treatments or coatings, can also impact the strength of steel channels.
- Q: How do steel channels contribute to the overall structural integrity of a building?
- The utilization of steel channels plays a pivotal role in augmenting the overall structural soundness of a building. These essential structural constituents are frequently employed in construction projects due to their exceptional robustness, endurance, and adaptability. Generally, steel channels are fashioned into C-shaped or U-shaped beams using steel, which confers numerous advantages for the structural stability of a building. Primarily, steel channels proficiently distribute and convey loads. As a result of their configuration, steel channels are adept at supporting heavy loads and evenly dispersing them across multiple points. This equitable allocation of weight obviates the occurrence of concentrated stress points, thereby mitigating the risk of structural failure. Additionally, steel channels possess a high load-bearing capacity, enabling them to endure substantial forces and guarantee the overall steadiness of the building. Secondarily, steel channels offer resistance against bending and torsion forces. Their shape and material composition empower them to resist deformation under pressure, guaranteeing that the building maintains its structural integrity even under extreme conditions such as earthquakes or strong winds. By averting excessive deflection, steel channels aid in maintaining the safety and security of the building. Moreover, steel channels boost the rigidity and stability of the structure. By connecting various components of the building, such as beams, columns, and walls, steel channels effectively eliminate any potential weak points or gaps. This comprehensive integration of different elements contributes to the overall strength and stability of the building, precluding any potential structural failures. Lastly, steel channels provide flexibility in design and construction. They can be easily customized to suit specific architectural requirements, allowing for innovative and efficient building designs. The versatility of steel channels empowers architects and engineers to optimize the strength and stability of the structure while preserving aesthetic appeal. In conclusion, steel channels play a significant role in bolstering the overall structural integrity of a building by efficiently distributing and conveying loads, resisting bending and torsion forces, enhancing rigidity and stability, and providing design flexibility. Their strength, durability, and versatility render them an indispensable component in contemporary construction, ensuring the safety and longevity of buildings.
- Q: How do steel channels contribute to the stability of mezzanine floors?
- Mezzanine floors rely on steel channels, also known as C-channels or C-sections, to maintain stability. These channels are made of high-strength steel and are specifically designed to provide structural support and reinforcement. One key aspect of how steel channels enhance mezzanine floor stability is by evenly distributing the load across the floor structure. Mezzanine floors are built to support heavy loads like machinery, equipment, or storage materials. Acting as beams, steel channels bear the weight and transfer it to the vertical supports or columns. This distribution prevents localized stress concentration, ensuring overall floor stability. Additionally, steel channels contribute rigidity to the mezzanine floor system. Their shape and structural properties make them resistant to bending and torsion forces. This rigidity is crucial in preventing excessive deflection or movement, especially under dynamic loads or vibrations. The stability provided by steel channels enhances safety and functionality, allowing the floor to withstand heavy usage and maintain a secure work environment. Furthermore, steel channels enhance the durability and longevity of mezzanine floors. Steel is highly durable, capable of withstanding various environmental conditions such as temperature changes, moisture, and corrosion. By incorporating steel channels, the structural integrity of the mezzanine floor system is enhanced, minimizing the risk of deformation, sagging, or structural failure over time. This durability ensures the floor can endure heavy loads for an extended period, reducing the need for frequent maintenance or replacement. In conclusion, steel channels are vital in maintaining the stability of mezzanine floors through load distribution, rigidity, and durability. Their structural properties ensure safety, functionality, and longevity, making them an essential component in mezzanine floor construction.
- Q: What are the different types of steel channel supports?
- There are several types of steel channel supports, including C-channel supports, U-channel supports, Z-channel supports, and hat channel supports. These supports are commonly used in construction and engineering projects to provide structural stability and support for various applications.
- Q: How do steel channels contribute to the overall sustainability of a solar power plant?
- Steel channels contribute to the overall sustainability of a solar power plant by providing structural support to the solar panels and helping maximize their efficiency. These channels are often made from recycled steel, reducing the need for new materials and minimizing the environmental impact. Additionally, steel channels are durable and long-lasting, ensuring the longevity of the solar power plant and reducing maintenance requirements.
- Q: What are the different methods for protecting steel channels from corrosion?
- There are multiple techniques available to safeguard steel channels against corrosion. Here are a few of the most prevalent options: 1. Application of a protective coating: A highly effective approach involves applying a protective coating onto the surface of the steel channels. This can be accomplished using various methods such as paints, epoxy coatings, or galvanizing. Coatings act as a physical barrier, preventing direct contact and corrosion between the steel and the corrosive elements present in the environment. 2. Cathodic protection: Another method involves employing a sacrificial metal or an impressed current to shield the steel channels. By connecting sacrificial metals like zinc or magnesium to the channels, these metals, which are more reactive than steel, will corrode in place of the channels. Impressed current systems, on the other hand, utilize an external power source to generate an electric current that counteracts the corrosion process. 3. Use of corrosion inhibitors: Chemicals known as corrosion inhibitors can be applied to the steel channels to slow down or prevent corrosion. These inhibitors function by creating a protective layer on the channel's surface, hindering the reaction between the steel and the corrosive elements. 4. Considerations in design: Implementing proper design and construction practices can also contribute to the protection of steel channels from corrosion. This includes ensuring adequate drainage and ventilation to minimize moisture accumulation, avoiding the presence of crevices and areas prone to water buildup, and using materials that are less susceptible to corrosion in corrosive environments. 5. Regular maintenance: Routine inspections and maintenance activities, such as cleaning and removing any accumulated debris or dirt, play a crucial role in identifying and addressing potential corrosion issues at an early stage. This may involve reapplying coatings, repairing damaged areas, or replacing corroded sections of the steel channels. It is important to acknowledge that the selection of a protection method depends on factors such as the specific environment, the anticipated service life of the channels, and budgetary constraints. Seeking guidance from corrosion experts or professionals in the field can assist in determining the most suitable method for safeguarding steel channels from corrosion in a particular application.
- Q: Are steel channels suitable for residential construction?
- Yes, steel channels can be suitable for residential construction. Steel channels, also known as C-channels or U-channels, are often used in construction for their strength and durability. They are commonly used as structural components in framing systems, providing support and stability to the building. Steel channels have several advantages that make them suitable for residential construction. Firstly, they have a high strength-to-weight ratio, meaning they can support heavy loads while being relatively lightweight. This makes them ideal for constructing floors, walls, and roofs in residential buildings. Furthermore, steel channels are highly resistant to fire, termites, and other pests, which can be concerns in residential areas. They do not warp, rot, or decay like other materials such as wood, ensuring a longer lifespan for the building. In addition, steel channels can be easily fabricated and installed, which helps streamline the construction process. They can be cut to the desired length and shape, allowing for flexibility in design. Moreover, they can be easily connected and welded, ensuring strong connections and reducing the risk of structural failures. Lastly, steel channels are cost-effective in the long run. Although they may have a higher initial cost compared to some other materials, their durability and low maintenance requirements result in reduced repair and replacement costs over time. However, it is important to consider the specific requirements and regulations of the residential construction project, as well as consulting with professionals, such as architects and engineers, to ensure that steel channels are suitable for the specific application.
- Q: Channel 20A? What's the matter?
- Channel steel, 20#A specification, 200*73*7.0 theory, weight 22.637
- Q: How do steel channels perform under earthquake loads?
- Steel channels exhibit excellent performance when subjected to earthquake loads due to their high strength and ductility. The structural design of steel channels effectively enables them to resist the dynamic forces and vibrations caused by earthquakes. The unique combination of their shape and material properties allows steel channels to efficiently distribute and dissipate seismic energy, minimizing the potential for structural damage. Their inherent rigidity and stiffness enable them to withstand lateral loads and resist bending, torsion, and shear forces induced by earthquakes. Furthermore, steel channels can be further enhanced through the implementation of various seismic design strategies, such as additional bracing and connections. These enhancements significantly improve the performance of steel channels under earthquake loads, enhancing their structural stability and resilience during seismic events. Moreover, the versatility and adaptability of steel channels make them a popular choice for earthquake-resistant buildings and structures. They can be easily modified and reinforced to meet specific seismic design requirements, ensuring the overall safety and reliability of the structure. However, it is important to note that the performance of steel channels under earthquake loads is influenced by factors such as their size, quality, and installation. Therefore, proper design, construction, and maintenance practices are crucial to ensure the optimal performance of steel channels in seismic conditions. Seeking guidance from structural engineers and adhering to relevant building codes and regulations is essential to ensure the appropriate design and installation of steel channels in earthquake-prone areas.
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GB Standard Hot Rolled Steel U Channels for Constrction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 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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