Hot rolled JIS U CHANNEL 50-300MM high quality

Hot rolled JIS U CHANNEL 50-300MM high quality System 1

Hot rolled JIS U CHANNEL 50-300MM high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

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Product Description:

Specifications of MS Channel:

1.We supply high quality MS Channel at reasonable price, including Chinese standard, Japanese standard and so on.

Standard	GB/JIS
Material Grade	Q235,SS400
Technique:	Hot Rolled
Sizes as per chinese standard:	50374.5mm - 3008911.5mm
Sizes as per japanese standard:	50253mm – 200807.5mm
Length:	6meter, 9meter, 12meter

Note: 1.we are also competent to provide our customers other MS Channel based on other sizes according to customer’s requirements.

2. The length of our ms channel could be cut into other meters as per customer’s requirements. For example, the channel in 6meters could be cut into 5.8meters in order to be fit in the 20ft container.

2. The detailed sections of MS Channel as per GB standard.are shown 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

3. The chemical composition of HR Channel Steel according to Q235B is shown in Table-2.

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-2

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

4. The mechanical property of HR Channel Steel 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 MS Channel as customer’s request.

Applications of MS Channel:

The MS Channel 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 MS 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

Q:Can steel channels be used for supporting rooftop equipment?: Yes, steel channels can be used for supporting rooftop equipment. Steel channels are strong and durable, making them suitable for bearing the weight of rooftop equipment such as HVAC units, solar panels, or communication antennas. They provide stability and support, ensuring that the equipment remains securely in place. Additionally, steel channels can be customized to fit specific dimensions and requirements, making them versatile for various rooftop equipment installations.

Q:What is the standard length of steel channels?: The standard length of steel channels can vary depending on the manufacturer and specific requirements but it is commonly available in lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters).

Q:How do steel channels contribute to the stability of a structure?: The stability of a structure is greatly influenced by steel channels in various ways. Firstly, they distribute the load evenly across the structure, thereby providing additional structural support. The channel's shape, with its flanges and web, effectively resists bending and twisting forces, preventing any potential collapse or deformation of the structure. Furthermore, the overall strength and rigidity of the structure are enhanced by steel channels. The high tensile strength of steel enables the channels to bear heavy loads without buckling or warping. This increased strength and rigidity ensure the structural integrity of the building, guaranteeing stability even in the face of external forces such as wind, earthquakes, or heavy loads. Steel channels also contribute to structural stability by serving as a stable base or foundation. They can be utilized as beams or columns to support the weight of the structure and transfer the load to the foundation. Consequently, steel channels act as a robust and dependable support system, preventing excessive movement or settlement of the structure. Moreover, steel channels offer versatility in design and construction. They can be easily fabricated into various shapes and sizes, tailored to suit the specific requirements of the structure. This flexibility allows for efficient and cost-effective construction methods, ensuring stability without compromising on design aesthetics or functionality. In conclusion, steel channels are indispensable in ensuring the stability of a structure. Through additional support, increased strength and rigidity, acting as a stable base, and providing design versatility, steel channels significantly contribute to the overall stability and integrity of a building, making it safe and reliable for its intended purpose.

Q:What should I do with a screw or nut or bolt on the ramp?: On the inclined plane, screws or nuts or bolts should be avoided and solved by changing the design method, because it not only affects the force of the fastener, but also causes difficulties in drilling

Q:What are the different types of steel channel connections for wall framing?: There are several different types of steel channel connections that can be used for wall framing. These connections are designed to provide stability and strength to the wall structure. One common type of steel channel connection is the welded connection. In this type of connection, the steel channels are joined together by welding them at the intersection points. This provides a strong and durable connection that is resistant to movement and shifting. Another type of steel channel connection is the bolted connection. In this type of connection, the steel channels are joined together using bolts and nuts. This allows for easy assembly and disassembly, making it a popular choice for temporary structures or structures that may need to be modified in the future. A third type of steel channel connection is the bracket connection. In this type of connection, brackets are used to secure the steel channels together. This type of connection is often used in situations where a more flexible or adjustable connection is required. Additionally, there are specialized types of steel channel connections that are designed for specific purposes. For example, there are connections that are specifically designed for seismic or high wind load conditions, which provide additional strength and stability to the wall framing. Overall, the choice of steel channel connection for wall framing will depend on factors such as the desired level of strength, flexibility, ease of assembly, and the specific requirements of the project. It is important to consult with a structural engineer or an experienced contractor to determine the most appropriate type of connection for a specific wall framing application.

Q:What are the different shapes available for steel channels?: Steel channels, which are also referred to as C-channels or U-channels, are offered in various shapes to meet different needs and purposes. The most prevalent shapes for steel channels comprise: 1. Standard Channels: These are widely utilized and easily accessible steel channels. They possess a C-shaped cross-section with parallel flanges of equal size. Standard channels are commonly employed for structural purposes, such as supporting beams or framing. 2. Back-to-Back Channels: Also known as double channels or double C-channels, these steel channels consist of two standard channels placed back-to-back and joined by welding or bolting. Back-to-back channels offer enhanced strength and rigidity, making them suitable for heavy-duty applications like racking systems or conveyor frames. 3. Tapered Channels: Tapered steel channels have unequal flanges, with one flange wider or thicker than the other. These channels are designed to distribute weight and load more efficiently, making them useful in applications where weight reduction or specific load-bearing capabilities are required. 4. Hat Channels: Hat channels, alternatively referred to as C-purlins or Z-purlins, possess a distinct shape resembling the letters "H" or "Z". They are commonly employed in construction for roof and wall framing, as well as in the automotive industry for reinforcing vehicle structures. Hat channels offer excellent strength and stiffness while minimizing weight. 5. Custom Shapes: Apart from the aforementioned standard shapes, steel channels can also be custom designed and fabricated to meet specific requirements. Custom shapes may include curved channels, perforated channels, or channels with special cut-outs or patterns, depending on the intended application. It is crucial to note that the availability of different shapes may vary depending on the manufacturer and the specific steel channel product line. Therefore, it is advisable to consult with a steel supplier or manufacturer to determine the range of shapes available for steel channels.

Q:What are the different weight classifications for steel channels?: Steel channels are classified based on their weight per linear foot. The weight classifications for steel channels include lightweight, medium weight, and heavy weight. Lightweight steel channels typically have a weight per linear foot ranging from 1.0 to 6.0 pounds. These channels are commonly used in applications where strength is not the primary concern and where the load requirements are relatively lower, such as in decorative or non-structural applications. Medium weight steel channels have a weight per linear foot ranging from 6.1 to 16.0 pounds. These channels are often used in structural applications where moderate strength and load-bearing capacity are required, such as in building frames, supports, and bracing. Heavy weight steel channels have a weight per linear foot ranging from 16.1 to 40.0 pounds. These channels are designed to provide maximum strength and load-bearing capacity and are commonly used in heavy-duty structural applications such as industrial buildings, bridges, and infrastructure projects. It is important to note that the weight classifications for steel channels may vary depending on the specific standards and specifications set by different countries and organizations.

Q:What are the different methods for reinforcing steel channels against bending?: There are several methods for reinforcing steel channels against bending. 1. Adding additional steel plates: One method is to add steel plates to the top and bottom flanges of the channel. These plates are welded or bolted to the existing flanges, increasing their strength and stiffness. This method is commonly used when the channel is subjected to high bending forces or when it needs to carry heavier loads. 2. Using channel stiffeners: Channel stiffeners are additional steel members that are attached to the inside or outside of the channel to increase its strength and prevent bending. These stiffeners are typically welded or bolted to the flanges and web of the channel. They distribute the bending forces more evenly across the channel, reducing the likelihood of failure. 3. Reinforcing with concrete: Another method is to reinforce the steel channel with concrete. This is often done by encasing the channel in a concrete layer, which provides additional strength and stiffness. The concrete can be poured around the channel or precast and then attached to it. This method is commonly used in construction applications, such as bridges and buildings, where the channel needs to resist high bending forces. 4. Using composite materials: Composite materials, such as carbon fiber reinforced polymer (CFRP), can also be used to reinforce steel channels against bending. CFRP strips or sheets can be bonded to the channel's flanges or web, providing additional strength and stiffness. This method is lightweight and can be easily applied to existing structures or during fabrication. It is important to note that the choice of reinforcement method depends on various factors, including the magnitude of the bending forces, the type of application, and the available resources. Consulting with a structural engineer or a professional in the field is recommended to determine the most suitable method for a specific project.

Q:Are steel channels compatible with other building materials?: Yes, steel channels are generally compatible with other building materials. They can be easily integrated with materials like concrete, wood, and glass to create structural frameworks, partitions, support systems, and architectural features. Additionally, steel channels can be welded, bolted, or attached using various fastening methods to connect with other materials effectively.

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?: Power distribution cabinet (box), power distribution cabinet (box) and lighting distribution cabinet (box), measuring cabinet (box), is the last stage equipment of power distribution system. Power distribution cabinet is the general term of motor control center.

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