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Product Description:

Specifications of UPN Channel Steel:

1.Our UPN Channel Steel has lots of advantages, just as followings:

a) At reasonable price and good quality.

b) To be convenient in construction and to save much time and labor.

c) The length of UPN can be manufactured according to customer’s requirements.

d) The UPN Channel Steel has strong mechanical strength.

e). The UPN Channel Steel possesses various kind of fittings, through which it is suitbal for many combinations.

f) Our UPN Channel Steel is attractive in appearance as well as beautiful in design

g) Free from slotted punching

2. The detailed sections of our UPN Channel Steel can be found in table-1

UPN U CHANNEL	Standard h	Sectional b	Dimension s	t	Mass: Kg/m
	(mm)	(mm)	(mm)	(mm)
80x45	80	45	6.0	8.0	8.64
100X50	100	50	6.0	8.5	10.6
120x55	120	55	7.0	9.0	13.4
140x60	140	50	7.0	10.0	16.0
160x65	160	65	7.5	10.0	18.8
180x70	180	70	8.0	11.0	22.0

Table-1

Note: we are definitely good at manufacturing and supplying UPN channel steel as per S235JR. Also, we are willing and able to provide our customers UPN channel steel in other sizes, which depends on customers’ concret requirements for the quantity.

3. The chemical composition of UPN Channel Steel as per S235JR is shown in the table-2

Alloy No	Element(%)
Alloy No	C	Mn	S	P	Si
S235JR	0.12—0.20	0.3—0.7	≤0.030	≤0.030	≤0.20

Table-2

4. The mechanical property of UPN Channel Steel as per S235JR is shown in the table-3-1 and table-3-2

Alloy No	Yielding strength point( Mpa)
	Thickness (mm)
	≤16	＞16--40	＞40--60	＞60--100
	≥
S235JR	235	225	215	195

Table-3-1

Alloy No	Tensile strength (Mpa)	Elongation after fracture(%)
		Thickness (mm)
		≤16	＞16--40	＞40--60	＞60--100
		≥
S235JR	340--510	24	23	22	27

Table-3-2

Applications of UPN Channel Steel:

The UPN Channel Steel 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.

Q:How do steel channels contribute to building envelope durability?: Steel channels contribute to building envelope durability in several ways. Firstly, steel channels are often used in the construction of the structural frame of a building, providing strength and stability to the overall structure. This ensures that the building can withstand various external forces such as wind, earthquakes, and heavy loads, thus enhancing its durability. Additionally, steel channels are commonly utilized in the installation of cladding systems, which are essential components of the building envelope. Cladding systems protect the building from external elements such as rain, snow, and UV radiation. The steel channels support the cladding panels, ensuring their proper installation and alignment, which in turn helps to maintain the overall integrity and durability of the building envelope. Furthermore, steel channels are highly resistant to corrosion, which is a key factor in ensuring the long-term durability of the building envelope. Corrosion can weaken the structural components of a building and compromise its stability. By using steel channels, which are typically coated or galvanized to prevent corrosion, the building envelope is better protected against environmental factors that could lead to deterioration over time. Overall, steel channels play a crucial role in enhancing the durability of the building envelope by providing structural strength, supporting cladding systems, and offering resistance to corrosion. These qualities contribute to the longevity and sustainability of the building, ensuring that it can withstand the test of time and maintain its functionality and safety for years to come.

Q:For example, channel 8 is bent into a circle with an inner diameter of 1030 and an opening outwards. How do you calculate the lofting length?: Divide the line 16 from 0.1.2.3 to 16. Calculate the two diameter elbow lofting: Yn=r cos alpha when 0 DEG n below 90 DEG Yn=1/2 alpha (d-2t alpha) cosWhen 90 degrees less than or equal to 180 degrees when n < alpha Yn=1/2dcos alphaIn the formula, the Yn--- expansion graph has a circumferential length equal to the curve coordinate value;R--- auxiliary circle radius;D--- diameter of round tube;T--- plate thickness;Alpha n--- auxiliary circumferential equal angle; tube of 300mm diameter,N optional 16 alpha 1=360 degrees, /16=22.5 degrees, 2=45 degrees, 3=67.5 degrees, 4=90 degrees, 5=112.5 degrees, 6=135 degrees, 7=157.5 degrees, 8=180 degreesFormula: Y0=1/2 (d-2t) cos0 degrees =0.5 (d-2t)Y1=1/2 (d-2t) cos22.5 degrees =0.4619 (d-2t)Y2=1/2 (d-2t) cos45 degrees =0.3536 (d-2t)Y3=1/2 (d-2t) cos67.5 degrees =0.1913 (d-2t)Y4=1/2 (d-2t) cos90 degrees =0Y5=1/2 dcos112.5 degrees =-0.1913dY6=1/2 dcos135 degrees =-0.3536dY7=1/2 dcos157.5 degrees =-0.4619dY8=1/2 dcos180 degrees =-0.5d

Q:Many of the equipment in the substation is installed on the support of the channel, why not directly mounted on the support plate. Why should we add channel steel to the top plate?What effect can this channel play?: Keep all switchgear in good condition;

Q:How many meters per ton is channel ten?: Channel ten is about 100 meters per ton.

Q:How do steel channels contribute to the sustainability of a building?: Steel channels contribute to the sustainability of a building in several ways. Firstly, steel channels are made from recycled steel, which reduces the demand for new raw materials and minimizes the environmental impact of mining and extraction processes. By utilizing recycled steel, the carbon footprint of a building is significantly reduced as compared to using other traditional construction materials. Additionally, steel channels have a long lifespan and are highly durable. They are resistant to corrosion, fire, and pests, which means that they require minimal maintenance over the lifetime of a building. This durability reduces the need for frequent replacements or repairs, thereby saving resources and reducing waste. Furthermore, steel channels offer design flexibility and can be easily fabricated and assembled, allowing for efficient construction processes. This reduces construction time and energy consumption, leading to lower costs and reduced environmental impact. Moreover, steel channels are lightweight compared to other building materials, making them easier to transport and handle. This reduces fuel consumption during transportation and contributes to a more sustainable supply chain. Lastly, steel channels can be recycled at the end of their life cycle, further reducing waste and conserving resources. The recycled steel can be used to manufacture new steel products, creating a closed-loop system that minimizes the need for new extraction and production. In conclusion, steel channels contribute to the sustainability of a building through their use of recycled materials, long lifespan and durability, design flexibility, lightweight nature, and recyclability. Their environmental benefits make them an eco-friendly choice for construction, helping to reduce the overall environmental impact of buildings and promote a more sustainable future.

Q:Can steel channels be used in coastal areas?: Yes, steel channels can be used in coastal areas. Steel is known for its strength and durability, making it suitable for various applications, including coastal environments. However, it is important to consider the potential effects of saltwater and airborne salt on the steel channels. Saltwater and salt-laden air can accelerate corrosion, especially if the steel is not adequately protected. Therefore, proper protective measures such as corrosion-resistant coatings or galvanization should be applied to the steel channels to ensure their long-term performance and prevent corrosion damage. Additionally, regular maintenance and inspections are recommended to identify and address any signs of corrosion or damage promptly. By taking these precautions, steel channels can be successfully used in coastal areas and withstand the challenges posed by the marine environment.

Q:Can steel channels be used for storage racks?: Yes, steel channels can be used for storage racks. Steel channels are commonly used in the construction industry for their strength and durability. They are designed to provide support and stability, making them suitable for storing heavy items such as pallets, boxes, and other bulky goods. Steel channels can be easily assembled and configured to create various rack designs, including selective racks, drive-in racks, and push-back racks. Additionally, steel channels can be galvanized or coated to increase their resistance to corrosion, making them ideal for use in storage facilities where moisture or harsh environments may be present. Overall, steel channels offer a reliable and sturdy solution for storage rack systems.

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.

Q:How do you mark the types of steel such as channel, I-beam and so on in the document?: Channel letters are in capital letters "C" or "half brackets" [...], and "I" in capitals"

Q:What are the different types of hangers used for steel channels?: There are several different types of hangers used for steel channels, including clevis hangers, u-bolt hangers, pipe hangers, and beam clamps. These hangers are designed to provide support and secure the steel channels in various applications, such as construction, plumbing, and electrical installations. Each type of hanger has its own specific design and mounting method to accommodate different channel sizes and load capacities.

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