JIS Hot Rolled U Channel Steel

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Quick Details

Place of Origin:Hebei, China (Mainland)
Material:Steel
Standard:JIS
Grade:SS400
Thickness:3-9mm, 6-13mm
Type:steel profiles
Technique:Hot Rolled
Application:Building construction
Special Use:High-strength Steel Plate
Width:50mm-300mm
Length:5.8m,6m,9m,12m, or as your request
Material:SS400

Packaging & Delivery

Packaging Details:	standard seaworthy package or as your request
Delivery Detail:	about 25 to 30 days after receive your payment

Specifications

1.origin:Tangshan,Hebei.
2.JIS,GB,DIN,EN,ASTM
3.SS400,Q235,A36
4.50*25*3*6MM--300*90*9*13MM

JIS Standard Hot Rolled Steel U beam Channel SS400

1. Material: Q235/ Q235B/ SS400/ A36/...

2. Standard: JIS/ ASTM/ GB/ DIN/ BS/ EN/ ...

3. Length: 5.8m, 6m, 8m, 9m, 12m, or as customers' request.

4. Packing: In bundles with strips.

JIS U CHANNEL
Standard Sectional	Web thickness (mm)	Flange thickness(mm)	Weight (kg/m)
Dimension (mm)	Web thickness (mm)	Flange thickness(mm)	Weight (kg/m)
50*25	3.00~5.00	6	2.37~3.46
75*40	3.8	7	5.3
75*40	4	7	5.6
75*40	4.5	7	5.85
75*40	5	7	6.92
100*50	3.8	6	7.3
100*50	4.2	6	8.03
100*50	4.5	7.5	8.97
100*50	5	7.5	9.36
125*65	5.2	6.8	11.66
125*65	5.3	6.8	12.17
125*65	5.5	8	12.91
125*65	6	8	13.4
150*75	5.5	7.3	14.66
150*75	5.7	10	16.71
150*75	6	10	17.9
150*75	6.5	10	18.6
200*80	7.5	11	24.6
250*90	9	13	34.6
300*90	9	13	38.1

Q: What are the different methods for surface preparation of steel channels?: Steel channels can be prepared for surface treatment using different methods, each with its own advantages and suitability for specific applications. Several common methods include: 1. Manual or power tool cleaning, where abrasives like sandpaper or wire brushes are used to physically remove loose rust, scale, or old coatings. This cost-effective method is suitable for surface preparation. 2. Chemical cleaning involves using acid-based cleaners like phosphoric or citric acid to dissolve or loosen contaminants. It is effective for removing heavy rust or scale buildup. 3. Power tool cleaning, using tools like power sanders or rotary hammers, is faster and more efficient than manual methods. It is ideal for larger surfaces or areas with heavy contamination. 4. High-pressure water cleaning uses water jets to remove loose rust, scale, or old coatings without damaging the metal. It is commonly used in industrial settings for quick and efficient cleaning. 5. Abrasive blasting propels abrasive materials onto the steel channel's surface using compressed air or water. It effectively removes rust, scale, and old coatings, leaving a clean and profiled surface. It is commonly used in industries that require a high-quality surface finish. Choosing the appropriate method for surface preparation depends on the condition of the steel channel, desired surface finish, and specific application requirements. Proper surface preparation is crucial for ensuring good coating adhesion and prolonging the lifespan of the steel channels.

Q: Are steel channels suitable for high-temperature applications?: No, steel channels are not typically suitable for high-temperature applications as they can weaken and deform under prolonged exposure to high temperatures.

Q: How are steel channels used in the construction of airports or terminals?: Due to their strength and versatility, steel channels find extensive use in airport and terminal construction. They serve multiple purposes in structural applications, offering support and stability to the overall building structure. A key application of steel channels in airport or terminal construction involves the creation of runway beams. These beams form a vital foundation for runways, enabling them to withstand the heavy loads imposed by aircraft during takeoff and landing. Moreover, steel channels contribute to the construction of taxiways, aprons, and other areas that require robust pavement. Moreover, steel channels are integral to terminal building construction, providing the framework for walls, roofs, and floors. They frequently serve as support beams, endowing the structure with strength and stability. Additionally, they can function as lintels or window frames, facilitating the installation of large windows and enhancing the terminal's aesthetics. Furthermore, steel channels play a significant role in the construction of various infrastructure components within airports or terminals. They commonly form the backbone of conveyor systems, baggage handling equipment, and other mechanical systems. By supplying a sturdy and dependable framework, steel channels ensure the smooth operation and efficient transportation of luggage and other materials. In summary, the presence of steel channels is essential in airport or terminal construction, as they provide the necessary strength and support for various structural and infrastructure components. Their versatility and durability make them an ideal choice for these projects, guaranteeing the safety and functionality of these critical transportation hubs.

Q: How do steel channels contribute to the overall structural integrity of a building?: Steel channels contribute to the overall structural integrity of a building by providing strength, support, and stability. These channels are often used as beams or columns in construction, allowing them to bear heavy loads and distribute weight evenly throughout the structure. The robustness of steel channels helps to resist bending, buckling, and other forms of deformation, ensuring that the building can withstand various external forces such as wind, seismic activity, and the weight of the structure itself. Additionally, steel channels are highly durable and fire-resistant, further enhancing the safety and longevity of the building.

Q: What are the typical finishes available for steel channels?: Steel channels can be finished in various ways to achieve different aesthetic and functional requirements. One option is to use hot-dip galvanizing, where the steel channel is immersed in molten zinc. This method not only provides excellent corrosion resistance but also adds a decorative touch with a shiny and even surface. Another choice is powder coating, which involves applying a dry powder onto the steel channel and then curing it with heat. This finish is highly durable and attractive, resistant to chipping, scratching, and fading. It can be customized in different colors to suit individual preferences and blend with the surroundings. Electroplating is also popular for steel channels. It entails immersing the channel in an electrolyte solution and passing an electric current through it, resulting in a layer of metal (such as chrome or nickel) being deposited on the surface. This process enhances the appearance of the channel with a smooth and shiny finish while providing some corrosion resistance. For a more natural and rustic look, steel channels can be left unfinished or with a bare metal finish. This option is often chosen for industrial or architectural designs where the raw and exposed metal is desired for its aesthetic appeal. In conclusion, the available finishes for steel channels include hot-dip galvanizing, powder coating, electroplating, and bare metal finishes. Each finish offers its own unique benefits in terms of corrosion resistance, durability, appearance, and customization options, providing a wide range of applications and design possibilities.

Q: Are steel channels resistant to pests and termites?: Steel channels are highly resistant to pests and termites. Unlike wooden channels, which are susceptible to infestation and damage by termites and other pests, steel channels provide a strong barrier that pests cannot penetrate. Steel is an inorganic material that does not provide a food source or a suitable environment for pests to thrive. Whether it is rats, termites, or other pests, they are unable to chew through steel and therefore cannot cause any damage to steel channels. Additionally, steel channels are not susceptible to rot or decay, which makes them even more resistant to pest infestation. Therefore, if you are looking for a durable and pest-resistant option, steel channels are an excellent choice.

Q: According to the standard, indoor hanging stone 3 meters high, whether to add channel?: Dry hanging method of stone, also called hollow hanging method. "Stone hanging tools for special purposes, construction basket rental sales" is the current wall decoration in a new type of construction process. The method uses a metal pendant to hang the facing stone directly on the wall surface or hollow over the steel frame, without grouting and pasting. The principle is in the main structure is arranged on the main points, the metal Guajian stone will be fixed on the building, forming a decorative stone curtain wall.

Q: What are the common surface treatments for steel channels?: Common surface treatments for steel channels include: 1. Galvanizing: This process involves coating the steel channel with a layer of zinc to protect it from corrosion. Galvanized steel channels have excellent durability and can withstand harsh environmental conditions. 2. Powder coating: Powder coating is a popular surface treatment method that involves applying a dry powder to the steel channel. The powder is then heated and cured, creating a hard, durable, and attractive finish. Powder coating offers excellent resistance to chipping, scratching, and fading. 3. Painting: Painting is a common surface treatment for steel channels, where a layer of paint is applied to the surface to enhance its appearance and protect it from corrosion. Different types of paints, such as epoxy, acrylic, or enamel, can be used depending on the desired level of durability and aesthetics. 4. Anodizing: Anodizing is primarily used for aluminum but can also be applied to steel channels. It involves creating a protective oxide layer on the surface of the metal through an electrochemical process. Anodized steel channels offer increased resistance to corrosion, abrasion, and wear. 5. Black oxide coating: Black oxide coating is a chemical process that creates a black finish on the steel channel. This treatment improves the aesthetic appeal and provides some corrosion resistance. It is commonly used for decorative purposes and to reduce light reflection. 6. Passivation: Passivation is a chemical process that removes impurities from the surface of stainless steel channels, enhancing their corrosion resistance. This treatment removes free iron and other contaminants, preventing rust and improving the longevity of the steel. It is important to consider the specific requirements of the application and consult with professionals to determine the most suitable surface treatment for steel channels.

Q: How do steel channels perform in acoustic applications?: Due to their structural properties, steel channels are effective in acoustic applications. The rigidity and strength of steel make it an ideal material for sound barriers and vibration minimization. Constructing walls, partitions, or ceilings with steel channels can help isolate sound and prevent transmission. The dense nature of steel aids in absorbing and dampening sound waves, reducing intensity and preventing reverberation. This is particularly advantageous in noise-sensitive environments like recording studios, theaters, or conference rooms. Additionally, steel channels can be combined with soundproofing materials or insulation to improve their acoustic performance. Adding layers of foam, fiberglass, or acoustic panels to the steel channels further reduces sound transmission and enhances overall acoustic quality. Furthermore, steel channels provide stability and durability, ensuring the integrity of acoustic structures over time. They can withstand heavy loads and offer fire resistance, making them a reliable choice for acoustic applications. However, it is important to note that steel channels alone may not be sufficient for soundproofing in high-noise environments. The effectiveness of steel channels in acoustic applications also depends on factors like space design, construction quality, and the use of additional soundproofing techniques. In conclusion, steel channels play a valuable role in achieving sound control and acoustic performance in various applications. Their strength, rigidity, and sound-dampening abilities make them suitable for creating sound barriers and minimizing noise transmission.

Q: How are steel channels protected against corrosion?: Steel channels are protected against corrosion through various methods such as galvanization, coating with protective paints or primers, and applying corrosion inhibitors.

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