High Quality 22# Steel Channel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Steel Channel

Standard: GB

Material: Q235

Length: 6m, 12m

Size:

Size (mm)	Mass (Kg/m)
220777.0	24.999
220799.0	28.453

The chemical composition of HR Channel Steel according to Q235B is shown in Table-1.

Alloy No	Grade	Element(%)
Alloy No	Grade	C	Mn	S	P	Si
Q235	B	0.12-0.20	0.3-0.7	≦0.045	≦0.045	≦0.3

Table-1

Note: we are able to present our customers relevant SGS test report for chemical composition of HR Channel Steel.

The mechanical property of HR Channel Steel according to Q235B is shown in Table-2

Alloy No	Grade	Yielding Strength Point(Mpa)
		Thickness(mm)
		≦16	＞16-40	＞40-60	＞60-100
		≧
Q235	B	235	225	215	205

Table-2

Package & Delivery of Channel:

1.The hot rolled channel steel 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 hot rolled channel steel 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.

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q:Can steel channels be used for supporting solar panels?: Indeed, steel channels have the capability to support solar panels. These channels are frequently employed in construction due to their robustness and resilience, rendering them well-suited for bearing the weight of solar panels. They furnish a sturdy and dependable framework for securing the panels in position, guaranteeing their correct installation and operation. Steel channels can be effortlessly tailored and modified to accommodate the precise demands of the solar panel installation, thus rendering them a flexible option for supporting solar panels. Moreover, steel channels provide protection against adverse weather conditions, ensuring the enduring stability and security of the solar panel system.

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:What is the difference between hot-rolled and cold-formed steel channels?: Hot-rolled and cold-formed steel channels are two distinct manufacturing processes that result in different properties and characteristics of the final product. Hot-rolled steel channels are produced by heating a steel billet or slab above its recrystallization temperature and then passing it through a series of rollers to achieve the desired shape. This process allows for the formation of larger and thicker sections with a uniform grain structure. Hot-rolled channels tend to have rounded corners and a rougher surface texture. They are typically used in structural applications where strength and load-bearing capacity are essential, such as in the construction of buildings, bridges, and heavy machinery. On the other hand, cold-formed steel channels are created by bending or folding a flat steel sheet or strip at room temperature. This process involves passing the steel through a series of rollers or press brakes to achieve the desired shape. Unlike hot-rolled channels, cold-formed channels have sharp corners and a smoother surface finish. They are typically thinner and lighter than hot-rolled channels and are commonly used in applications that require precision, flexibility, and cost-effectiveness. Cold-formed channels are often utilized in the construction industry for framing systems, wall studs, and various architectural elements. In summary, the main differences between hot-rolled and cold-formed steel channels lie in their manufacturing processes, physical characteristics, and typical applications. Hot-rolled channels offer greater strength and load-bearing capacity, while cold-formed channels are more lightweight, precise, and cost-effective. The choice between the two depends on the specific requirements of the project and the desired properties of the channel.

Q:What are the different corrosion protection methods for steel channels?: To enhance the durability of steel channels and prevent corrosion, several corrosion protection methods can be employed. These methods can be broadly classified into surface treatments, coatings, and cathodic protection. Surface treatments involve various techniques that modify the steel channel's surface to make it more resistant to corrosion. One commonly used method is mechanical cleaning, which entails removing dirt, rust, or mill scale using abrasive techniques like sandblasting or wire brushing. Chemical treatments, such as acid pickling, can also be employed to eliminate impurities and create a clean surface. Coatings are another effective method for protecting steel channels against corrosion. These coatings act as a barrier, preventing corrosive substances from coming into contact with the steel surface. Common coating options include paint, epoxy, zinc, or galvanization. Paints and epoxy coatings provide a protective layer, while zinc or galvanization create a sacrificial layer that corrodes instead of the steel channel. Cathodic protection is a technique that safeguards steel channels by utilizing them as the cathode of an electrochemical cell. This method involves installing sacrificial anodes or impressed current systems. Sacrificial anodes, typically made of metals like zinc or magnesium, are connected to the steel channel and corrode instead of the steel, effectively protecting it from corrosion. Impressed current systems, on the other hand, use an external power source to direct a small current onto the steel channel, preventing corrosion. It is important to consider various factors, such as the environment, application, and budget, when selecting a corrosion protection method. Seeking advice from corrosion experts or engineers can assist in determining the most suitable protection method for specific steel channel requirements.

Q:Are steel channels suitable for commercial construction projects?: Indeed, commercial construction projects find steel channels to be a suitable option. These channels possess versatility, enabling their utilization in various applications within commercial construction such as framework, support beams, and reinforcements. Their exceptional strength and durability render them ideal for managing heavy loads and ensuring structural stability. Moreover, steel channels can be conveniently fabricated and tailored to meet precise project specifications, thus facilitating efficient and cost-effective construction processes. Additionally, their fire resistance properties contribute to the safety of commercial buildings. In summary, due to their strength, durability, versatility, and ease of use, steel channels prove to be a dependable and popular choice in commercial construction.

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:What are the different load combinations for steel channels?: Load combinations for steel channels are dependent on the particular design criteria and application being considered. However, there are several typical load combinations for steel channels, including: 1. Dead Load: This refers to the constant load that is applied to the structure. It encompasses the weight of the steel channel itself, any permanent fixtures or equipment, and the self-weight of other components. 2. Live Load: This is the variable load that is exerted on the structure due to occupancy, usage, or temporary equipment. Examples can include people, furniture, vehicles, or machinery. 3. Wind Load: This is the lateral force that is exerted on the structure by wind. It takes into account factors such as wind speed, exposure category, height, and other criteria specified by applicable building codes or standards. 4. Snow Load: This refers to the additional weight that is placed on the structure due to snow accumulation. It considers factors such as snow density, anticipated snowfall, and design elements provided by relevant codes or standards. 5. Seismic Load: This is the force that is generated by earthquakes or seismic activity. The magnitude of the seismic load depends on factors such as the seismic zone, soil conditions, and the structural response to such events. 6. Impact Load: This encompasses the sudden and dynamic loads that occur as a result of accidental events, such as vehicle collisions or equipment failures. The magnitude and duration of the impact load depend on the specific circumstances. 7. Temperature Load: This includes the thermal expansion and contraction of the steel channel caused by temperature variations. It is taken into account for structures that are exposed to extreme temperature changes. 8. Combination Load: This involves considering multiple loads that act simultaneously or in combination with each other. Different load combinations are determined based on the governing design codes or standards that apply to the specific project. It should be noted that the specific load combinations and their associated factors may differ based on the design codes, project requirements, and the professional judgment of the structural engineer. Therefore, it is essential to consult the appropriate design standards and guidelines to determine the suitable load combinations for a particular steel channel application.

Q:Can steel channels be used for supporting exterior cladding systems?: Yes, steel channels can be used for supporting exterior cladding systems. Steel channels provide structural support and durability, making them suitable for supporting the weight of cladding materials on the exterior of a building.

Q:Can steel channels be used for creating signage or display structures?: Yes, steel channels can be used for creating signage or display structures. Steel channels are versatile and durable, making them suitable for various applications including signage and display structures. Their strength and rigidity allow for the creation of sturdy structures that can withstand outdoor elements and heavy loads. Additionally, steel channels can be easily customized and fabricated into different shapes and sizes to meet specific design requirements. This makes them an ideal choice for creating unique and eye-catching signage or display structures.

Q:Do steel channels have any specific load distribution characteristics?: Yes, steel channels have specific load distribution characteristics. They are commonly used in construction and engineering applications to distribute loads evenly across their cross-sectional area. The shape of steel channels allows for efficient transfer of loads, providing strength and stability to structures. Additionally, the design of steel channels can be optimized for specific load distribution requirements, making them versatile in various structural applications.

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