GB Q235 Steel Channel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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
Material Grade	Q235
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.

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:What material does hot-dip galvanized channel belong to?: Hot galvanizing is to strengthen the raw material corrosion, oxidation and reprocessing process. The material also depends on what material the channel itself is. General Q235 channel steel, galvanized mostly.

Q:How do steel channels perform under earthquake loads?: Steel channels generally perform well under earthquake loads due to their high strength and ductility. The design of steel channels allows them to effectively resist the dynamic forces and vibrations caused by earthquakes. The combination of their shape and material properties enables steel channels to effectively distribute and dissipate the seismic energy, minimizing the potential for structural damage. The stiff and rigid nature of steel channels allows them to withstand lateral loads and resist bending, torsion, and shear forces induced by earthquakes. Moreover, steel channels can be further enhanced with various seismic design strategies, such as incorporating additional bracing and connections, to improve their performance under earthquake loads. These design enhancements can further increase the structural stability and resilience of steel channels during seismic events. Additionally, steel channels are commonly used in earthquake-resistant buildings and structures due to their versatility and adaptability. 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 also influenced by factors such as the size, quality, and installation of the channels. Proper design, construction, and maintenance practices are crucial to ensure the optimal performance of steel channels in seismic conditions. Consulting with structural engineers and following relevant building codes and regulations is essential to ensure the proper design and installation of steel channels in earthquake-prone areas.

Q:Are steel channels suitable for use in high-temperature environments?: No, steel channels are not suitable for use in high-temperature environments as steel begins to lose its strength and structural integrity at high temperatures.

Q:What are the factors to consider when determining the appropriate thickness of a steel channel?: When determining the appropriate thickness of a steel channel, several factors need to be considered. These factors include the load that the steel channel will be subjected to, the span or length of the channel, the material properties of the steel being used, and any applicable building codes or regulations. The load is perhaps the most critical factor to consider. The steel channel needs to be able to support the weight or force that will be placed upon it without bending or collapsing. The type and magnitude of the load, whether it is static or dynamic, and any potential impact or live loads should all be taken into account. Calculations or engineering analysis may be required to determine the appropriate thickness based on the expected load. The span or length of the steel channel is another crucial consideration. Longer spans require thicker steel channels to prevent deflection or sagging. The longer the span, the greater the potential for flexing, so a thicker channel will provide the necessary rigidity and support. The material properties of the steel being used also play a role in determining the appropriate thickness. Different grades of steel have different strength and stiffness characteristics, and these properties should be considered when selecting the thickness. Yield strength, tensile strength, and modulus of elasticity are some of the material properties to consider. Additionally, any applicable building codes or regulations should be taken into account. Local building codes often specify minimum thickness requirements for structural elements, including steel channels. These codes are in place to ensure the safety and integrity of the structure, so compliance with them is essential. In conclusion, to determine the appropriate thickness of a steel channel, factors such as the load, span, material properties, and building codes should be carefully considered. A thorough analysis should be conducted to ensure that the selected thickness will provide sufficient strength and support for the intended application.

Q:What are the different joining methods for steel channels?: There are several different joining methods for steel channels, including welding, bolting, riveting, and adhesive bonding. These methods are used to securely connect steel channels together for various applications in construction, manufacturing, and other industries. Each joining method has its own advantages and considerations, depending on factors such as load requirements, structural integrity, and ease of installation.

Q:What are the different surface finishes available for steel channels in architectural applications?: Some of the common surface finishes available for steel channels in architectural applications include mill finish, galvanized finish, powder-coated finish, and brushed finish.

Q:Can steel channels be used for supporting HVAC systems?: Yes, steel channels can be used for supporting HVAC systems. Steel channels are typically made of durable and strong steel material, making them suitable for providing structural support to HVAC equipment. They are often used in conjunction with other support materials, such as brackets and hangers, to securely hold and suspend HVAC units, ductwork, and piping. Steel channels offer several advantages for supporting HVAC systems. Firstly, they have high load-bearing capacity, ensuring that the weight of the HVAC equipment and components is adequately supported. Additionally, steel channels are resistant to corrosion and can withstand harsh environmental conditions, making them suitable for both indoor and outdoor applications. Steel channels also provide flexibility in terms of installation. They can be easily adjusted and customized to accommodate different HVAC system configurations. Moreover, steel channels can be installed using various methods, such as welding, bolting, or clamping, offering versatility in the installation process. It is important to ensure that the steel channels used for supporting HVAC systems are designed and installed according to industry standards and local building codes. Proper engineering and design considerations, including load calculations, seismic requirements, and thermal expansion, should be taken into account to ensure the safety and stability of the HVAC system. Overall, steel channels are a reliable and commonly used method for supporting HVAC systems, providing strength, durability, and flexibility in installation.

Q:What is the cost of steel channels compared to other materials?: The cost of steel channels can vary depending on factors such as size, grade, and quantity. However, generally speaking, steel channels tend to be more cost-effective compared to other materials such as aluminum or stainless steel.

Q:What are the deflection limits for steel channels?: The deflection limits for steel channels can vary depending on several factors such as the type of steel, the size and shape of the channel, and the intended application. However, there are generally accepted deflection limits set by engineering standards and codes that are followed in the industry. In most cases, the deflection limits for steel channels are determined based on the maximum allowable deflection to ensure the structural integrity and functionality of the channel. The deflection limit is typically expressed as a ratio of the channel's span length to its depth. For example, the American Institute of Steel Construction (AISC) provides guidelines for deflection limits in their specification. According to AISC, the recommended deflection limit for simply supported steel channels is L/300, where L represents the span length of the channel. This means that the deflection of the channel should not exceed one-thirtieth of the span length. It is important to note that these deflection limits may vary for different types of steel channels, such as those used in heavy-duty applications or those subjected to dynamic loads. In such cases, more stringent deflection limits may be specified to ensure the channel can withstand the intended loads without significant deformation. It is also worth mentioning that deflection limits should be considered in conjunction with other design factors such as strength, stability, and serviceability requirements. The overall design of the steel channel should take into account these factors to ensure a safe and reliable structure. To determine the specific deflection limits for a particular steel channel, it is recommended to consult the relevant design codes and standards, as well as seek the advice of a professional structural engineer who can provide accurate and specific guidance based on the project requirements.

Q:How are steel channels installed?: Steel channels are typically installed by first determining the desired location and alignment. Then, the channels are positioned and secured using appropriate fasteners such as bolts or welds. The process involves ensuring proper anchoring and alignment to ensure structural integrity and stability.

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