ANGLE BAR

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Payment Terms:: TT OR LC

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Specifications of Angle Steel

1. Invoicing on theoretical weight or actual weight as customer request

2. Length: 6m, 9m, 12m as following table

3. Sizes

Angle Steel

Sizes: 25mm-250mm
a*t
25*2.5-4.0	70*6.0-9.0	130*9.0-15
30*2.5-6.6	75*6.0-9.0	140*10-14
36*3.0-5.0	80*5.0-10	150*10-20
38*2.3-6.0	90*7.0-10	160*10-16
40*3.0-5.0	100*6.0-12	175*12-15
45*4.0-6.0	110*8.0-10	180*12-18
50*4.0-6.0	120*6.0-15	200*14-25
60*4.0-8.0	125*8.0-14	250*25

5. Payment terms:

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C

6.Material details:

Alloy No	Grade	Element (%)
		C	Mn	S	P	Si
		C	Mn	S	P	Si

Q235	B	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3

Alloy No	Grade	Yielding strength point( Mpa)
		Thickness (mm)
		≤16	＞16--40		＞40--60	＞60--100
		≥

Q235	B	235		225	215	205
Alloy No	Grade	Tensile strength (Mpa)	Elongation after fracture (%)
		Tensile strength (Mpa)	Thickness (mm)
			≤16	＞16--40	＞40--60	＞60--100
			≥

Q235	B	375--500	26	25	24	23

Usage & Applications of Angle Steel

According to the needs of different structures, Angle can compose to different force support component, and also can be the connections between components. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Packaging & Delivery of Angle Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

Production flow of Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q:Are steel angles resistant to pests and insects?: Pests and insects do not find steel angles naturally repellent. Although pests generally do not find steel appealing, it is possible for steel angles to be vulnerable to infestation or harm in the presence of openings or gaps that allow pests to enter. Moreover, pests can still inflict damage on nearby materials, indirectly impacting the overall strength of the steel angles. Hence, it is crucial to implement effective pest control measures and promptly address any potential entry points or weaknesses to reduce the likelihood of pest infestation or harm to steel angles.

Q:What are the different types of steel angles used in storage racks?: There are several different types of steel angles that are commonly used in storage racks. These angles are specifically designed to provide strength and stability to the racks, allowing for efficient storage and organization of various items. 1) Equal Angle: This is the most commonly used type of steel angle in storage racks. It has equal sides and is often used as the main support beam in the structure of the rack. The equal angles provide balanced weight distribution and ensure stability. 2) Unequal Angle: As the name suggests, unequal angles have different lengths on each side. These angles are typically used in storage racks where specific weight distribution or load-bearing requirements need to be met. The longer side of the unequal angle provides additional support for heavier items or different storage configurations. 3) Slotted Angle: Slotted angles are versatile and allow for easy adjustment and customization of storage rack systems. They feature slots along the length of the angle, enabling the addition of shelves, dividers, or other accessories as needed. Slotted angles are often used in warehouses or industrial settings where frequent reconfiguration of the rack system is required. 4) Perforated Angle: Perforated angles have holes punctured along their length, providing better ventilation and visibility for stored items. These angles are commonly used in storage racks for items that may require airflow or for racks used in retail settings where product visibility is important. 5) Corner Angle: Corner angles are L-shaped steel angles used to reinforce and strengthen the corners of storage racks. They provide additional support and stability, preventing the rack from collapsing or tipping over when heavy items are stored on the shelves. Overall, the selection of the type of steel angle used in storage racks depends on the specific requirements of the rack system, including load-bearing capacity, customization options, ventilation needs, and visual appeal. By choosing the appropriate steel angle, storage racks can be optimized for maximum efficiency and durability.

Q:How do steel angles perform under fatigue or repeated loading conditions?: Due to their ability to endure repeated loading conditions, including fatigue, steel angles are widely used in structural applications. The fatigue performance of steel angles is influenced by various factors, such as material properties, design, and loading conditions. Typically, high-strength steel is used to manufacture steel angles, which possess outstanding fatigue resistance. These steels have a high fatigue strength, allowing them to withstand numerous cycles of loading before failure occurs. The fatigue strength of steel angles can be enhanced further by implementing techniques like heat treatment or surface hardening. The geometry of the steel angle is a critical aspect in its fatigue performance. Sharp corners or notches can act as points of stress concentration, leading to accelerated initiation and propagation of fatigue cracks. Hence, it is crucial to consider factors like fillet radii and smooth transitions when designing steel angles for applications prone to fatigue. The fatigue behavior of steel angles is also influenced by the loading conditions. The magnitude and frequency of applied loads, along with additional factors like corrosion or temperature variations, can impact the fatigue life of the angles. Comprehensive analysis and testing are necessary to determine the expected fatigue life and ensure the dependable performance of steel angles under repeated loading conditions. Overall, steel angles are renowned for their exceptional performance under fatigue or repeated loading conditions. By considering material properties, design factors, and loading conditions, engineers can optimize the fatigue resistance of steel angles for specific applications, guaranteeing their long-term durability and reliability.

Q:How can steel angles be protected against corrosion?: Steel angles can be protected against corrosion through various methods. One common method is the application of protective coatings. These coatings act as a barrier between the steel angles and corrosive elements, preventing direct contact and inhibiting corrosion. Coatings such as paint, epoxy, or zinc-based materials can be used to provide this protection. Another effective method is galvanization. This process involves coating the steel angles with a layer of zinc, which acts as a sacrificial anode. When corrosion occurs, the zinc layer will corrode first, protecting the steel underneath. This is particularly effective in harsh environments, such as marine or industrial settings. Regular maintenance and inspection are essential in preventing corrosion. Any damage or deterioration to the protective coating should be promptly repaired to ensure continued protection. Furthermore, keeping the steel angles clean and free from debris or moisture buildup can also help prevent corrosion. In some cases, cathodic protection may be employed. This involves connecting the steel angles to a sacrificial anode, typically made of a more reactive metal, such as aluminum or magnesium. The anode will corrode instead of the steel angles, providing protection against corrosion. Lastly, proper design and installation of steel angles can also contribute to their corrosion resistance. Ensuring adequate drainage and ventilation, using materials compatible with the environment, and minimizing exposure to corrosive elements can all help in protecting steel angles against corrosion.

Q:What are the different types of corrosion protection coatings for steel angles?: There are several types of corrosion protection coatings available for steel angles. These include galvanized coatings, which involve applying a layer of zinc to the surface of the steel to provide a barrier against corrosion; epoxy coatings, which are a type of paint that forms a protective layer on the steel surface; and powder coatings, which involve applying a dry powder to the steel and then curing it with heat to create a protective layer. Additionally, there are also organic coatings, such as acrylic or polyurethane, that provide corrosion protection for steel angles. The choice of coating depends on factors such as the environment in which the steel angles will be used and the desired level of protection.

Q:How do you connect steel angles together?: There are several ways to connect steel angles together depending on the specific application and load requirements. Here are a few common methods: 1. Welding: The most common and effective method is to weld the steel angles together. This creates a strong and permanent connection. It is important to ensure proper welding techniques are followed to maintain the integrity and strength of the joint. 2. Bolting: Another method is to use bolts and nuts to connect the steel angles. This allows for easy disassembly and reassembly if required. It is important to use the correct size and grade of bolts to ensure the connection can withstand the intended loads. 3. Riveting: Rivets can also be used to connect steel angles together. This method provides a strong and permanent connection, but it requires specialized tools and expertise to properly install the rivets. 4. Adhesive bonding: In some cases, adhesive bonding techniques can be used to connect steel angles together. This method is usually used in conjunction with other fastening methods, such as welding or bolting, to provide additional strength and stability. When choosing the method to connect steel angles, it is important to consider factors such as the load requirements, environmental conditions, and expected lifespan of the structure. Consulting with a structural engineer or a professional in the field is recommended to ensure the best connection method is chosen for your specific application.

Q:How do steel angles perform in high-humidity environments?: Due to their corrosion-resistant properties, steel angles exhibit excellent performance in high-humidity environments. While the air's moisture content often causes metals to rust and corrode, steel angles are specifically engineered to withstand these conditions. Typically manufactured using stainless steel or galvanized steel, both materials possess a protective layer that effectively hinders rust formation. Consequently, steel angles are exceptionally well-suited for utilization in regions with high humidity, such as coastal areas or industrial settings where moisture is abundant. Moreover, their durability and extended lifespan further contribute to their exceptional performance in high-humidity environments.

Q:Can steel angles be used as supports for suspended acoustical ceilings?: Yes, steel angles can be used as supports for suspended acoustical ceilings. Steel angles are often used as a main structural component in suspended ceiling systems. They provide stability and support for the acoustical ceiling tiles and help distribute the weight evenly across the ceiling grid. The steel angles are typically installed at regular intervals along the perimeter of the ceiling and are connected to the main suspension system. This ensures that the acoustical ceiling remains securely in place and can effectively absorb sound and improve the overall acoustics of the space.

Q:How do you determine the required length of a steel angle for a specific application?: In order to determine the necessary length of a steel angle for a particular application, several factors must be taken into consideration. 1. Load requirements: The first step is to calculate the maximum load that the angle will need to support. This includes the weight of the object or structure it will be holding, as well as any additional live loads like wind or snow. By determining the load requirement, you can determine the appropriate strength and size of the angle. 2. Structural analysis: Conduct a structural analysis of the intended application to determine the forces and stresses that will be applied to the steel angle. This analysis will help determine the necessary properties of the angle, such as its moment of inertia, section modulus, and bending capacity. 3. Material selection: Select the appropriate steel material for the application based on its mechanical properties, such as yield strength, tensile strength, and ductility. Different grades of steel offer varying levels of strength and durability, so it is important to choose the right material to ensure the angle can withstand the required loads. 4. Design codes and standards: Refer to relevant design codes and standards, such as those established by organizations like the American Institute of Steel Construction (AISC) or the Eurocode, to ensure compliance with industry regulations and guidelines. These codes provide specific formulas and procedures for calculating the required length and size of the angle based on the load and structural analysis. 5. Fabrication considerations: Take into account any limitations or constraints in the fabrication process that may affect the length of the steel angle. For instance, standard lengths of steel angles may be available, so it may be necessary to choose a length that is readily accessible or can be easily obtained through custom fabrication. 6. Consultation with professionals: If there are any uncertainties in determining the required length of a steel angle, it is recommended to seek advice from a structural engineer or a professional experienced in steel design. They can offer expert guidance and ensure that the angle is appropriately sized and designed for the specific application. By considering these factors and following a systematic approach, it is possible to determine the necessary length of a steel angle that fulfills the specific requirements of the application.

Q:Can steel angles be bolted together?: Yes, steel angles can be bolted together. Steel angles are often used in construction and fabrication projects, and one common method of joining them is by using bolts. Bolting steel angles together provides a strong and secure connection that can withstand heavy loads and forces. The angles are typically drilled with holes at specific intervals, and bolts are inserted through these holes and tightened with nuts to hold the angles together. This method allows for easy disassembly and reassembly if needed, making it a versatile and practical choice for joining steel angles.

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