Standard Size Steel Channel Bar, Metal Channel Bar
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
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Specifications of Standard Size Steel Channel Bar, Metal Channel Bar
1.Our company enjoys high reputation on manufacturing and supplying U channel steel. Among those steel products, the U channel steel as per japanese, chinese and european can be regarded as our primary products.
Under those standard, the material grade includes: GB Q235B,GB Q345B/JIS G3192, SS400/EN 10025,S235JR and so on.
Here,the U channel steel as per japanese standard is posted just as reference.
2. Dimension Figure:
Note:1.The height ranges from 50mm to 300mm
2.The breadth ranges from 25mm to 89mm
3.Theoretically speaking, the flange of U channel steel should bear stress, it’s to say that the U channel should be upright rather than lying under construction. Therefore, we strictly control the tolerance of the flange thickness.
3.The sections of U Channel Steel as per JIS Standard are shown in the below table:
JIS U 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 |
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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 |
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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 |
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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 |
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200X80 | 200 | 80 | 7.5 | 11.00 | 24.60 |
5.Mechanical Property of U Channel Steel as per JIS Standard:
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 |
6. Chemical Composition of U Channel Steel as per JIS Standard:
Grade | Element(%) | |||
C | Mn | P | S | |
SS330 | -- | -- | ≦0.050 | ≦0.050 |
SS400 | ||||
SS490 | ||||
SS540 | ≦0.30 | ≦1.60 | ≦0.040 | ≦0.040 |
Note: we are also competent to supply structure steel u channel as per other sections, which depends on the customer's requirements for the quantity.
Applications of Standard Size Steel Channel Bar, Metal Channel Bar
U channel steel could be regarded as carbon steel or plain steel. Typically, it is stiff and strong. Carbon steels do rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most fabrications. U channel steel is often used as supporting members, most commonly in the house raising industry to strengthen timber bears under houses. Transmission line towers.
And our products are widely used in Architectural Constructions,Telecom tower,Sub Station Structure,Microwave tower Factory and warehousing shed,Electrification projects, poles and earthing E.O.T. cranes,Material handling equipments,Ship building,Automobile
Package & Delivery of Standard Size Steel Channel Bar, Metal Channel Bar
The u 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.
And u channel steel could be loaded into 20ft or 40ft container, or by bulk cargo. If the weight of each bundle reaches less 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.
As for the transportaion from mill to loading port, the truck will be usually used. And the maximum quantity for each truck is 40mt.
In a word, we do try our best to satisfy all the customer's requirements.
Production Flow of Standard Size Steel Channel Bar, Metal Channel Bar
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 u channel should be put onto the cooling bed to make the temperature low.
4. The steel u 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.
- Q: What material is angle iron?
- Angle called angle, the steel strip is perpendicular to each other on both sides into the corner. There are equal angles and unequal angles. The two sides of an equal angle steel are equal in width.
- Q: Can steel angles be used in the construction of shopping malls?
- Yes, steel angles can be used in the construction of shopping malls. Steel angles are commonly used in structural applications, including the construction of commercial buildings like shopping malls. They provide strength, stability, and support, making them a suitable choice for various structural elements such as frames, columns, and beams in shopping mall construction.
- Q: What are the different connection methods for steel angles?
- When it comes to connecting steel angles, there are several different methods available, each depending on the specific application and structural requirements. Some commonly used methods include: 1. Welding: Steel angles can be connected through welding, which involves melting the adjacent surfaces of the angles and fusing them together using a welding electrode. This method is known for providing high strength and rigidity, but it does require skilled labor and specialized equipment. 2. Bolting: Another frequently used method is bolting, where the angles are fastened together using bolts and nuts. This method offers the advantage of adjustability and ease of removal, making it suitable for situations where disassembly may be necessary. 3. Riveting: Riveting is a traditional method that involves inserting a metal rivet through holes in the angles and deforming the end to secure it in place. While this method provides a strong and permanent connection, it can be time-consuming and labor-intensive. 4. Adhesive bonding: A more modern approach is adhesive bonding, which involves applying a high-strength adhesive to the contact surfaces of the angles and then joining them together. This method is lightweight, flexible, and resistant to corrosion. 5. Mechanical fasteners: Various mechanical fasteners, such as self-tapping screws, self-drilling screws, and blind rivets, can be used to quickly and easily connect steel angles without the need for additional tools or equipment. When selecting the appropriate connection method for steel angles, it is crucial to consider factors such as load requirements, structural stability, corrosion resistance, and ease of installation.
- Q: What are the limitations of using steel angles in high-temperature applications?
- The susceptibility of steel angles to thermal expansion is one limitation when using them in high-temperature applications. Similar to other materials, steel expands when heated and contracts when cooled. This characteristic can cause dimensional changes in the steel angles, potentially impacting their structural integrity and performance. Another limitation is the potential weakening of steel angles at elevated temperatures. As the temperature rises, the steel can undergo tempering, a process that reduces its hardness and increases its ductility. This can result in reduced load-bearing capacity and increased vulnerability to deformation or failure under high loads or stresses. Furthermore, steel angles are prone to oxidation and corrosion at high temperatures. When exposed to oxygen and moisture in the air, steel can form rust or iron oxide. This can weaken the steel angles and compromise their structural integrity, especially in environments with high humidity or aggressive chemical agents. In addition, steel angles may experience creep when subjected to high temperatures and constant loads. Creep refers to the gradual deformation or elongation of a material under constant stress over time. This can lead to permanent deformation and jeopardize the structural stability of the steel angles. Lastly, the thermal conductivity of steel must be carefully considered in the design and fabrication of steel angles for high-temperature applications. Steel has relatively high thermal conductivity, meaning it can quickly transfer heat. This characteristic can result in uneven heating and cooling of the steel angles, potentially causing stress concentrations or thermal gradients that could impact their performance. Given these limitations, it is crucial to thoroughly assess the suitability of steel angles for high-temperature applications and explore alternative materials or design adjustments to ensure optimal performance and safety.
- Q: Can steel angles be used for framing or supporting mezzanines or elevated platforms?
- Yes, steel angles can be used for framing or supporting mezzanines or elevated platforms. Steel angles provide structural support, stability, and can be easily connected to other steel components. They are commonly used in construction projects for their strength and versatility.
- Q: What are the different methods for reinforcing steel angles?
- Depending on the specific structural needs and design requirements, there are various methods available for reinforcing steel angles. Some commonly used methods are as follows: 1. Welding is the most frequently employed technique for reinforcing steel angles. By using heat and pressure, two or more steel angles can be joined together to create a strong and durable connection. To maintain the integrity of the reinforcement, it is crucial to follow proper welding techniques and procedures. 2. Bolting is another method that can be utilized to reinforce steel angles. This involves inserting bolts through holes in the angles and tightening them to establish a secure connection. This method is often preferred when adjustability or removability of the reinforcement is necessary. 3. Riveting, a traditional technique, can also be employed to reinforce steel angles. It entails inserting a pin or rivet through holes in the angles and securing it by deforming the pin's end. This creates a robust and permanent connection between the angles. 4. Adhesive bonding can be used in certain cases to reinforce steel angles. This method involves applying a specialized adhesive to the surfaces of the angles and pressing them together. As the adhesive hardens, it forms a strong bond between the angles. 5. Plate strengthening is an option for additional reinforcement. Steel plates can be attached to the angles, typically through welding or bolting, to enhance their strength and load-bearing capacity. 6. Reinforcing bars, commonly referred to as rebar, can also be employed to reinforce steel angles. These bars are typically embedded into the concrete or masonry structure and extend into the angles to provide additional strength and support. To determine the most suitable method for reinforcing steel angles based on specific project requirements and structural considerations, it is essential to consult with a structural engineer or design professional.
- Q: How do steel angles compare to other materials like aluminum or wood?
- Steel angles have several advantages over other materials like aluminum or wood. Firstly, steel angles are known for their strength and durability. Steel is a highly robust material that can withstand heavy loads and high-pressure situations, making it ideal for structural applications. In comparison, aluminum is relatively weaker and less durable, making it better suited for lightweight applications. Secondly, steel angles have excellent fire resistance properties. Steel is non-combustible, which means it does not burn or contribute to the spread of fire. On the other hand, wood is highly flammable and can be a fire hazard in certain situations. Aluminum has a higher melting point than wood, but it does not possess the same level of fire resistance as steel. Moreover, steel angles have superior corrosion resistance compared to both aluminum and wood. Steel can be galvanized or treated with protective coatings to prevent rust and corrosion, making it suitable for outdoor or marine applications. Aluminum, although it has a natural oxide layer that resists corrosion, is still more susceptible to corrosion than steel. Wood, being an organic material, is highly vulnerable to rot and decay when exposed to moisture or insects. Another advantage of steel angles is their versatility. Steel can be easily fabricated and manipulated into various shapes and sizes, allowing for a wide range of design possibilities. Aluminum also offers some flexibility in terms of fabrication, but it is generally less malleable and more prone to cracking. Wood, while being relatively easy to work with, has limitations in terms of structural integrity and design flexibility. In terms of cost, steel angles are generally more economical than aluminum. Steel is widely available and has lower production costs, making it a cost-effective choice for many applications. Aluminum, on the other hand, can be more expensive due to higher production costs and its limited availability. Wood, depending on the type and quality, can vary in price but is often more affordable than steel or aluminum. In summary, steel angles offer superior strength, durability, fire resistance, corrosion resistance, versatility, and cost-effectiveness compared to materials like aluminum or wood. However, the choice of material ultimately depends on the specific application, design requirements, and budget constraints.
- Q: How do you calculate the buckling capacity of a steel angle?
- To determine the buckling capacity of a steel angle, various factors need to be taken into account. Firstly, the effective length of the angle must be determined. This refers to the distance between the points of rotation or restraint. Next, the slenderness ratio can be calculated by dividing the effective length by the radius of gyration. The radius of gyration indicates how the cross-sectional area of the steel angle is distributed around its centroid. Once the slenderness ratio is obtained, reference can be made to design codes or standards such as the AISC Manual to find the critical buckling stress or load corresponding to the given slenderness ratio. These codes offer tables or formulas that enable the determination of the critical buckling capacity based on the angle's dimensions and material properties. It should be noted that the buckling capacity of a steel angle is influenced by boundary conditions, end fixity, and the type of buckling (flexural or torsional). Hence, a clear understanding of the specific loading and boundary conditions is essential for accurately calculating the buckling capacity.
- Q: What is the maximum deflection allowed for steel angles?
- The maximum deflection allowed for steel angles depends on several factors such as the specific application, the load applied, and the design standards being followed. Generally, the maximum deflection for steel angles is determined by considering the acceptable level of aesthetic appearance and structural performance. Consulting the relevant design codes or consulting with a structural engineer would provide more specific information on the maximum allowable deflection for steel angles in a given situation.
- Q: Can steel angles be used in industrial or heavy-duty applications?
- Yes, steel angles can be widely used in industrial or heavy-duty applications due to their high strength, durability, and versatility. They are commonly utilized in construction, infrastructure, manufacturing, and fabrication industries for various purposes such as supporting structures, framing, bracing, and reinforcement. Their ability to withstand heavy loads and provide stability makes them suitable for demanding environments where strength and resilience are crucial.
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Standard Size Steel Channel Bar, Metal Channel Bar
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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