• JIS GB Standard Hot Rolled Steel U-channel System 1
  • JIS GB Standard Hot Rolled Steel U-channel System 2
  • JIS GB Standard Hot Rolled Steel U-channel System 3
JIS GB Standard Hot Rolled Steel U-channel

JIS GB Standard Hot Rolled Steel U-channel

Ref Price:
get latest price
Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
-
Supply Capability:
-

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Product Description:

OKorder is offering STEEL CHANNEL at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

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.

 

Product Advantages:

OKorder's STEEL CHANNELare durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Minimum Order Quantity: 25 Tons Unit: m.t. Loading Port: Xingang Port
Supply Ability: 1000 Tons Per Day Payment Terms: TT or L/C    

Product Description:
Specifications of Steel U Channel:

Standard Applied: GB Standard, EN Standard(UPN), JIS Standard

Sizes: 50mm to 300mm

Material Grade: Q235B, Q345B, S235JR, SS400, ASTM A36


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.

 

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

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

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

               

Grade

Element(%)

C

Mn

P

S

SS330

--

--

≦0.050

≦0.050

SS400

SS490

SS540

≦0.30

≦1.60

≦0.040

≦0.040

                  

Images:

 

Q: What are the different surface treatment processes for steel channels?
There are several different surface treatment processes that can be used for steel channels to enhance their durability, appearance, and resistance to corrosion. Some of the common surface treatment processes for steel channels include: 1. Galvanization: This process involves coating the steel channel with a layer of zinc to provide corrosion resistance. The steel channel is immersed in a bath of molten zinc, allowing the zinc to bond with the surface of the steel. Galvanization is an effective method to protect steel channels from rust and prolong their lifespan. 2. Powder coating: In this process, a dry powder is applied to the steel channel electrostatically. The steel channel is then heated, causing the powder to melt and form a smooth and durable coating. Powder coating provides excellent resistance to corrosion, impact, and UV damage. It also offers a wide range of color options for aesthetic purposes. 3. Painting: Painting is a common surface treatment process for steel channels that involves applying a layer of paint to the surface. The paint acts as a barrier against moisture and other environmental factors, preventing corrosion. Different types of paints, such as epoxy, polyurethane, or acrylic, can be used depending on the specific requirements of the steel channel. 4. Anodizing: Anodizing is typically used for aluminum, but it can also be applied to steel channels. This process involves creating a protective oxide layer on the surface of the steel channel by immersing it in an electrolytic bath and passing an electric current through it. Anodizing enhances the corrosion resistance and improves the appearance of the steel channel by creating a smooth and decorative finish. 5. Passivation: Passivation is a chemical process that removes iron contaminants from the surface of the steel channel, improving its corrosion resistance. It typically involves treating the steel channel with an acid solution or other chemical agents to remove any impurities that could lead to corrosion. These surface treatment processes can be chosen based on the specific requirements of the steel channel, such as the intended use, environmental conditions, and desired appearance. Each process offers unique advantages and can significantly enhance the performance and longevity of steel channels.
Q: How do steel channels contribute to the overall durability of a structure?
Steel channels contribute to the overall durability of a structure by providing increased strength and stability. They act as support beams, distributing the load evenly throughout the structure. This helps to prevent excessive bending or sagging, ensuring the structure remains stable and resistant to deformation. Additionally, the use of steel channels enhances the structural integrity of a building, making it more resistant to various environmental forces such as wind, earthquakes, and heavy loads.
Q: What is the square bevel washer used for channel steel?
The inclination of the channel steel and the angle of the square bevel washer coincide with the standard.
Q: Channel and channel steel, hot rolled and cold rolled sheet in the production process, product characteristics above what is easy to understand, give me hope!
Cold bend channel steel and cold-rolled steel plate production process is basically the same, refers to the steel at normal temperature, through the external role of the steel rolled or bent into the required shape.
Q: What are the common fire protection measures for steel channels?
Steel channels can be safeguarded against fire by implementing various fire protection measures. These measures involve the use of fire-resistant coatings or wraps, intumescent paints or coatings, and fireproof insulation materials. Fire-resistant coatings or wraps act as a shield, slowing down the transfer of heat to the steel channels. Consequently, this delay prevents the structural failure of the channels during a fire. Intumescent paints or coatings, on the other hand, expand when exposed to high temperatures. This expansion creates a charred layer, which not only insulates the steel channels but also provides fire resistance. Additionally, fireproof insulation materials can be installed around the steel channels. These materials serve the purpose of preventing the spread of fire and safeguarding the channels from the heat generated in a fire event. By employing these measures, the fire resistance of steel channels is enhanced, ensuring the safety of the surrounding environment.
Q: How do steel channels compare to other structural steel shapes?
Steel channels are a versatile structural steel shape that offer several advantages compared to other shapes. They are lightweight yet strong, making them suitable for a wide range of applications. Steel channels provide excellent structural support due to their C-shaped design, which allows for greater load-bearing capacity. Additionally, their flanges can be easily attached to other components, enhancing their versatility in construction projects. Overall, steel channels offer a cost-effective and efficient solution for various structural needs.
Q: What are the common surface treatments for steel channels?
Steel channels can be treated with various surface treatments to protect them from corrosion and enhance their appearance. Some common options include: 1. Galvanizing: A layer of zinc is applied to the steel channel, providing excellent durability and protection against harsh environmental conditions. 2. Powder coating: Dry powder is applied to the steel channel, which is then heated and cured to create a durable and attractive finish. This treatment offers resistance to chipping, scratching, and fading. 3. Painting: A layer of paint is applied to the surface of the steel channel to improve its appearance and protect it from corrosion. Different types of paints, such as epoxy, acrylic, or enamel, can be used for varying levels of durability and aesthetics. 4. Anodizing: Although primarily used for aluminum, anodizing can also be applied to steel channels. This process creates a protective oxide layer on the metal's surface, increasing its resistance to corrosion, abrasion, and wear. 5. Black oxide coating: A chemical process is used to create a black finish on the steel channel, enhancing its aesthetic appeal and providing some corrosion resistance. This treatment is often used for decorative purposes and to reduce light reflection. 6. Passivation: Stainless steel channels can undergo passivation, a chemical process that removes impurities from the surface, improving their corrosion resistance. This treatment eliminates free iron and other contaminants, preventing rust and increasing the steel's longevity. When choosing a surface treatment for steel channels, it is important to consider the specific requirements of the application and seek advice from professionals to determine the most suitable option.
Q: Do steel channels have any specific deflection limitations?
Yes, steel channels do have specific deflection limitations. The deflection of any structural member, including steel channels, is determined by factors such as the material properties, dimensions, and the applied loads. The maximum allowable deflection for steel channels is typically specified in building codes and industry standards. These limitations are based on the criteria of serviceability, which ensure that the structure remains functional and safe under normal operating conditions. The deflection limits for steel channels vary depending on the specific application and loading conditions. For example, in structural steel design, the deflection limits for beams and columns are typically based on the span-to-depth ratio or a maximum allowable deflection value. In addition to code requirements, engineers also consider the intended use, aesthetics, and occupant comfort when determining deflection limitations. For instance, in buildings where vibrations or excessive deflections could impact sensitive equipment or occupant comfort, stricter deflection criteria may be applied. It is important to consult the relevant building codes, industry standards, and engineering guidelines to determine the specific deflection limitations for steel channels in a given application. Professional structural engineers are responsible for ensuring that the design meets these requirements to ensure the safety and performance of the structure.
Q: How are steel channels installed in construction projects?
Steel channels are commonly used in construction projects for their structural strength and versatility. Installing steel channels involves several steps to ensure proper alignment and stability. First, the location and layout of the steel channels are determined according to the project specifications and structural design. This step involves careful planning and coordination between architects, engineers, and construction teams. Next, the designated areas for steel channel installation are prepared. This may involve clearing the site, leveling the ground, and providing a stable foundation. Any necessary excavation or backfilling is also done at this stage. Once the site is prepared, the steel channels are delivered to the construction site. They are typically pre-fabricated according to the required dimensions and specifications. The channels are then transported to the installation area using cranes or other lifting equipment. Before installing the steel channels, the construction team ensures that the channels are clean and free from any debris or contaminants. This is crucial to ensure proper bonding and stability during installation. The installation process begins by aligning the steel channels in the designated positions. This is done using laser levels, plumb bobs, or other alignment tools to ensure accurate placement. The channels are then temporarily secured in place using clamps or braces. To permanently fix the steel channels, welding or bolting methods are typically employed. Welding is a common technique used to join the channels to other structural elements. Skilled welders carefully weld the channels to the designated areas, ensuring strong and durable connections. In cases where welding is not feasible or desired, bolts or screws may be used to secure the steel channels. Holes are drilled through the channels and the corresponding structural elements, and bolts or screws are inserted and tightened to provide a secure connection. Throughout the installation process, quality control measures are implemented to ensure that the steel channels are installed correctly. This may involve inspections, measurements, and testing to verify alignment, levelness, and structural integrity. Once all the steel channels are installed, they are typically inspected for any defects or imperfections. If necessary, adjustments or repairs are made to ensure the channels meet the required standards and specifications. In conclusion, installing steel channels in construction projects involves careful planning, preparation, alignment, and secure attachment to other structural elements. Following proper installation procedures and quality control measures is essential to ensure the channels provide the necessary structural support and stability.
Q: Can steel channels be used in outdoor applications?
Yes, steel channels can be used in outdoor applications. Steel channels are known for their strength, durability, and resistance to corrosion, making them highly suitable for outdoor use. They are commonly used in construction, infrastructure projects, and outdoor structures where strength and weather resistance are essential.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords