Jis Channel

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Loading Port:: Xingang Port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 80000-100000MTS/YEAR m.t./month

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Specifications of JIS Channel:

1. We are definitely speciallizing in manufacturing and supplying channel steel as per japanese standard, which is characterised with high mechanical strength and competitive prices.

2. The sections in details are as followings in the table-1

JIS CHANNEL	Standard h	Sectional b	Dimension s	t	Mass: Kg/m
	(mm)	(mm)	(mm)	(mm)
50x25	50	25	3.0	6.00	2.37
75X40	75	40	3.8	7.00	5.30
75X40	75	40	4.0	7.00	5.60
75X40	75	40	4.5	7.00	5.85
75X40	75	40	5.0	7.00	6.92

100X50	100	50	3.8	6.00	7.30
100X50	100	50	4.2	6.00	8.03
100X50	100	50	4.5	7.50	8.97
100X50	100	50	5.0	7.50	9.36

125X65	125	65	5.2	6.80	11.66
125X65	125	65	5.3	6.80	12.17
125X65	125	65	5.5	8.00	12.91
125X65	125	65	6.0	8.00	13.40

150x75	150	75	5.5	7.30	14.66
150x75	150	75	5.7	10.00	16.71
150x75	150	75	6.0	10.00	17.90
150x75	150	75	6.5	10.00	18.60
150x75	150	75	6.5	10.00	24.00

200X80	200	80	7.5	11.00	24.60

Table-1

3. The mechanical property of JIS Channel in the table-2:

Grade	Yield Strength，N/mm²				Extension Strength N/mm²
	Thickness of Steel,mm
	≦16	＞16-≦40	＞40-≦100	＞100
SS330	≧205	≧195	≧175	≧165	330-430
SS400	≧245	≧235	≧215	≧205	400-510
SS490	≧285	≧275	≧255	≧245	490-610
SS540	≧400	≧390	-	-	≧540

Table-2

4. The chemical composition of JIS Channel in the table-3

Grade	Element(%)
	C	Mn	P	S
SS330	--	--	≦0.050	≦0.050
SS400
SS490
SS540	≦0.30	≦1.60	≦0.040	≦0.040

Table-3

Usage of JIS Channel:

1.The JIS channel can be devided into two kinds, namely common channel steel and light channel steel. The sizes of hot rolled common channel steel range from 5# to 40#. Meanwhile, the channel steel can be divided into cold forming sectional equal channel steel, cold forming sectional unequal channel steel, cold forming inner edge channel steel and outer edge channel steel.

2.The JIS channel 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. The channel steel with sizes under 14# is usually applied to construction engineering, as purline, while the channel steel with sizes above 16# is more likely to be used in building vehicle chassis structure and mechanical structure. Furthermore, the channel steel in sizes above 30# are target at building bridge structure, as tension bar.

3.In a word, the channel steel must possess perfect welding property, riveting property and mechanical property and so on.

Package & Delivery of JIS Channel:

1.The JIS channel 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 JIS channel 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.

JIS Channel

Production Flow of JIS Channel:

1.The steel billet shall be heated in the high temperature furnace.

2. The heated steel billet shall be rolled five to nine times with the aim of shaping the general figure of steel u channel.

3. The rolled steel channel should be put onto the cooling bed to make the temperature low.

4. The JIS Channel should be straighted on the straightener.

5. The straighted steel u channel will be cut into meters by saw, as per customer's requirements.

6. At the last part of production, the channel steel must be tested in order to confirm that the finished products are completely free from crack, pore, slag, scab or fold on the surface.

Flow of JIS Channel

Q:How do steel channels perform in terms of thermal insulation?: Steel channels do not provide a significant amount of thermal insulation. As steel is a good conductor of heat, it allows heat to easily transfer through the material. This means that steel channels can act as a thermal bridge, allowing heat to escape or enter a building. To improve thermal insulation in a steel structure, additional insulation materials such as foam or mineral wool can be added to reduce heat transfer and enhance energy efficiency.

Q:How about the Y-Y moment of inertia in the form of hot rolled channel steel Iy?: Among them, H, B, D and T are the corresponding parameters on the standard. B leg root thickness, a thickness of leg point or T = (a + b) divided by 2, R for leg root radius, R leg tip radius, Z standard centroid value, ^2 said in front of the results in parentheses square, ^3 cube, X said after the power multiplied by the other the local sign is omitted, said by slash.

Q:Can steel channels be used in interior design?: Yes, steel channels can be used in interior design. Steel channels can provide structural support and can be used to create unique and modern design elements such as room dividers, shelving units, and even furniture pieces. Their sleek and industrial look can add a contemporary touch to interior spaces.

Q:How do you calculate the load capacity of steel channels?: To calculate the load capacity of steel channels, it is necessary to consider various factors such as the dimensions and properties of the channel, the type of loading, and the safety factor. Firstly, determine the dimensions of the steel channel, including its height, width, and thickness. These dimensions will be crucial in the load capacity calculation. Next, identify the material properties of the steel channel, such as the modulus of elasticity and yield strength. These properties provide information about the channel's ability to withstand deformation and failure under load. The type of loading also plays a significant role in determining the load capacity. There are various types of loading, including axial compression, bending, and shear. Each type of loading requires a different calculation method. For axial compression, the load capacity can be calculated using Euler's formula. This involves considering the effective length of the channel, the moment of inertia, and the modulus of elasticity. For bending, the load capacity can be determined by calculating the maximum moment the channel can withstand before yielding. This requires considering the moment of inertia and the yield strength of the steel. For shear, the load capacity calculation involves considering the shear strength of the steel channel. The shear strength is determined by the cross-sectional area and the ultimate shear strength of the material. Finally, it is important to factor in a safety factor to ensure the channel can withstand unexpected variations in load. The safety factor is typically a value greater than 1 and accounts for uncertainties in the calculation and potential overloading. In conclusion, calculating the load capacity of steel channels involves considering the dimensions, material properties, type of loading, and applying appropriate formulas. It is crucial to ensure the safety factor is included to ensure the channel can safely handle the expected load.

Q:Are steel channels suitable for stadium construction?: Yes, steel channels are suitable for stadium construction. Steel channels are commonly used in construction projects, including stadiums, due to their strength, durability, and versatility. They provide structural support and stability to the overall building, making them an ideal choice for large-scale projects like stadiums. Additionally, steel channels can be easily customized and fabricated to meet specific project requirements, allowing for flexibility in design and construction. They are also resistant to corrosion and can withstand heavy loads and extreme weather conditions, ensuring the long-term integrity and safety of the stadium. Therefore, steel channels are a reliable and efficient choice for stadium construction.

Q:18# channel perimeter: You don't know where to use this data, in general, the characteristics of the data channel in section area and theoretical weight, I suggest you refer to GB/T 706-2008 "hot rolled steel", see annex, hoping to help you.

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 different jointing methods for steel channels?: There are several jointing methods that can be used for steel channels, depending on the specific application and requirements. Some common jointing methods for steel channels include: 1. Welding: This is one of the most commonly used jointing methods for steel channels. It involves melting the adjoining surfaces of the channels and fusing them together using heat. Welding provides a strong and permanent joint, but it requires skilled labor and proper equipment. 2. Bolting: Bolting is another popular jointing method for steel channels. It involves using bolts, nuts, and washers to secure the channels together. Bolting provides a relatively easy and flexible joint, allowing for disassembly if necessary. However, it may not be as strong as welding, particularly under dynamic or high-stress conditions. 3. Riveting: Riveting involves using rivets to join the steel channels together. Rivets are inserted through pre-drilled holes in the channels and then deformed to secure them in place. Riveting can provide a strong and durable joint, but it requires specialized equipment and skilled labor. 4. Adhesive bonding: Another jointing method for steel channels is adhesive bonding. This involves using specialized adhesives or bonding agents to join the channels together. Adhesive bonding can provide a strong and lightweight joint, but it may not be suitable for high-temperature or high-moisture environments. 5. Interlocking: Some steel channels are designed with interlocking features that allow them to be joined together without the need for additional fasteners or adhesives. This jointing method is often used in prefabricated structures or modular systems, where quick and easy assembly is desired. It is important to consider factors such as load requirements, environmental conditions, and ease of assembly when selecting the appropriate jointing method for steel channels. Consulting with structural engineers or industry professionals can help determine the most suitable jointing method for a specific application.

Q:What are the different types of surface finishes for steel channels in architectural applications?: Steel channels in architectural applications can be enhanced with various surface finishes, offering both aesthetic appeal and protection against corrosion and wear. The following are some commonly used surface finishes for steel channels: 1. Mill Finish: Steel channels have this basic finish when initially manufactured. It has a dull gray appearance and rough texture, often preferred in industrial applications where aesthetics are not a priority. 2. Hot-Dip Galvanized: This finish involves immersing the steel channels in molten zinc, resulting in a thick layer of zinc coating. Hot-dip galvanized steel channels have a shiny, silver appearance and exceptional corrosion resistance, making them suitable for outdoor architectural purposes. 3. Powder Coating: Powder coating is a popular option for surface finishing steel channels in architectural applications. It entails applying a dry powder followed by heating to create a durable, protective layer. Powder coating offers a smooth, even finish and comes in a wide range of colors, allowing for customization and design flexibility. 4. Stainless Steel: Steel channels can be fabricated from stainless steel, which inherently provides a corrosion-resistant finish. Stainless steel channels have a sleek, modern appearance and are commonly used in architectural designs that require a high-end, polished finish. 5. Painted Finish: Steel channels can be painted with various types of paint to achieve the desired color and finish. Painted finishes offer versatility and can be customized to match the architectural design. However, they may require periodic maintenance to prevent chipping or fading. 6. Brushed or Polished Finish: Brushed or polished finishes involve mechanically abrading the steel channels to create a smooth, reflective surface. These finishes are commonly employed in architectural applications that seek a high-quality, decorative appearance. Each type of surface finish for steel channels in architectural applications possesses distinctive characteristics and advantages. The selection of a finish depends on factors such as the desired appearance, required corrosion resistance, and the specific environmental conditions to which the steel channels will be exposed.

Q:What are the load-bearing capabilities of steel channels?: The load-bearing capabilities of steel channels vary depending on several factors such as the dimensions, material grade, and the specific application. Steel channels are designed to provide structural support and are commonly used in construction and engineering projects. The load-bearing capacity of a steel channel is influenced by its shape and size. The depth, width, and thickness of the channel determine its overall strength and ability to withstand loads. Additionally, the material grade of the steel channel plays a crucial role in determining its load-bearing capabilities. Higher grades of steel generally have higher tensile and yield strengths, which allows them to support heavier loads. To determine the exact load-bearing capabilities of a steel channel, engineers typically consult industry standards and reference tables. These resources provide guidance on the safe working loads for different sizes and grades of steel channels. Engineers also consider factors such as the type of loading (e.g., static or dynamic), the support conditions (e.g., fixed or pinned), and the required safety factor when calculating the maximum load a steel channel can bear. It is important to note that load-bearing capabilities can also be influenced by other factors such as the quality of the fabrication, the presence of any defects or damage, and the overall structural design. Therefore, it is crucial to consult with a qualified engineer or refer to appropriate design codes and regulations when determining the load-bearing capabilities of steel channels for a specific application.

UINDA,a well-known enterprise in Tangshan specializing in the production and sales of GB and JIS U channel. GB U channel from 10# to 18#, JIS U channel 12.5# and 15#.

1. Manufacturer Overview
Location	Tangshan, China
Year Established	2000
Annual Output Value	Above US$ 50 Million
Main Markets	Mid East; Southeast Asia; Korea
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin
Export Percentage	20% - 30%
No.of Employees in Trade Department	10-20 People
Language Spoken:	English; Chinese
b)Factory Information
Factory Size:	Above 81,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM Service Offered
Product Price Range	Average