Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture System 1

Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

Specifications of Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

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

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

3. Sizes

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 Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

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 Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

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 Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

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

Images of Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

Hot Rolled Steel Angle Q235, A36,SS400 for Strcuture

Q: Are steel angles affected by vibration?: Yes, steel angles can be affected by vibration. When subjected to constant or repetitive vibrations, steel angles can experience fatigue or stress cracking over time. This is because vibrations, especially those of high frequency or amplitude, can induce dynamic loads on the steel angles. These loads can lead to cyclic stresses and strains, which can eventually cause damage to the material. In some cases, excessive vibrations can also cause the steel angles to resonate, resulting in amplified oscillations that can lead to structural failure. It is important to note that the susceptibility of steel angles to vibrations depends on various factors such as the quality and strength of the steel, the magnitude and frequency of vibrations, and the design and installation of the structure. To mitigate the effects of vibration on steel angles, engineers and designers often employ various techniques such as damping systems, vibration isolation, or reinforcing the structure to increase its resistance to dynamic loads. Regular inspections and maintenance are also crucial to identify and address any potential issues caused by vibrations to ensure the structural integrity and longevity of steel angles.

Q: What are the different corrosion protection methods for steel angles?: There are several corrosion protection methods for steel angles, including galvanization, powder coating, paint coating, and epoxy coating.

Q: How do steel angles compare to other structural materials?: Due to their versatility and strength, steel angles are widely favored in the construction industry. In comparison with alternative structural materials like wood or aluminum, steel angles present several benefits. To begin with, steel angles possess exceptional strength and load-bearing capacity. They are capable of supporting heavy loads and ensuring structural stability, making them ideal for implementation in infrastructure projects such as buildings and bridges. Furthermore, steel angles exhibit a high resistance to bending and twisting, guaranteeing durability and longevity across various applications. Moreover, steel angles offer remarkable versatility. They can be easily customized and fabricated into different shapes and sizes, facilitating precise and efficient construction. This flexibility empowers designers and engineers to create intricate structures and achieve specific architectural requirements. Additionally, steel angles provide outstanding fire resistance compared to materials like wood. Steel is non-combustible, meaning it does not contribute to the spread of fire, thereby rendering it a safer option for buildings and structures. Furthermore, steel angles boast a high rate of recyclability, making them environmentally friendly. Steel stands as one of the most recycled materials globally, and implementing steel angles in construction contributes to sustainable building practices while reducing the demand for fresh raw materials. Nevertheless, it should be noted that steel angles can be pricier than certain alternative materials like wood or aluminum. Furthermore, steel necessitates appropriate surface treatment and corrosion protection to prevent rusting and maintain its structural integrity. In conclusion, steel angles present numerous advantages over alternative structural materials, including superior strength, versatility, fire resistance, and recyclability. These characteristics establish them as a favored choice in numerous construction projects where durability, efficiency, and safety hold utmost importance.

Q: Are steel angles affected by creep?: Yes, steel angles are indeed affected by creep. Creep is a phenomenon where materials, including steel, deform over time under a constant load or stress. Steel angles, being structural components, are subjected to various loads and stresses, especially if they are part of long-term applications such as bridges or buildings. Over time, the sustained stress can cause the steel angles to gradually deform, leading to creep. Therefore, it is essential to consider creep effects when designing structures that incorporate steel angles to ensure long-term structural integrity.

Q: What is the maximum length of a continuous steel angle?: The maximum length of a continuous steel angle typically depends on various factors such as the manufacturing process, transportation limitations, and structural requirements. However, in general, the maximum length of a continuous steel angle can range anywhere from a few meters to several tens of meters.

Q: How do you protect steel angles from weathering?: There are various effective methods available for protecting steel angles from weathering. The primary approach involves the application of a specially designed coating or paint that is intended for steel surfaces. This coating acts as a barrier, preventing direct contact between moisture, oxygen, and the steel, thereby reducing the likelihood of rust formation. It is crucial to select a weather-resistant coating that offers long-term durability. Before applying the protective coating, it is essential to thoroughly clean the steel angles to eliminate any dirt, grease, or existing rust. This can be accomplished through abrasive cleaning techniques such as sandblasting or by using a wire brush. Once the cleaning process is complete, the surface should be primed with a corrosion-resistant primer, which improves the adhesion of the protective coating. Regular maintenance is also vital to ensure the continuous protection of steel angles from weathering. This involves periodically inspecting the coating for any signs of damage or wear and promptly addressing any issues that arise. Touching up areas where the coating has been compromised is necessary to maintain the integrity of the protective layer. In addition, proper design and installation techniques can contribute to protecting steel angles from weathering. It is crucial to ensure that the angles are adequately sealed and shielded from direct exposure to rain, snow, or other sources of moisture. This can be achieved by implementing appropriate drainage systems, such as gutters or downspouts, to redirect water away from the steel angles. Lastly, considering alternative materials or coatings that possess inherent resistance to weathering, such as stainless steel or galvanized steel, can provide an additional layer of protection against environmental elements. These materials have higher corrosion resistance and are more suitable for outdoor applications where weathering is a concern. By implementing a combination of protective coatings, regular maintenance, proper design, and the utilization of weather-resistant materials, steel angles can be effectively safeguarded from weathering while maintaining their structural integrity over an extended period.

Q: What are the different design considerations for steel angles in architectural applications?: Some of the different design considerations for steel angles in architectural applications include the load-bearing capacity, structural stability, aesthetic appeal, corrosion resistance, and ease of installation. Additionally, factors like the size and shape of the angles, the type of steel used, and the specific architectural requirements also play a role in the design process.

Q: What are the different packaging options for steel angles?: The customer's specific needs and transportation method determine the various packaging options available for steel angles. Common options include: 1. Bundles: Steel angles can be bundled together using steel straps or wires. This option is suitable for larger quantities and provides stability and ease of handling. 2. Pallets: Steel angles can be placed on wooden or plastic platforms for easy transportation and storage. They are secured to the pallet using straps or stretch wrap. 3. Crates: Wooden crates offer extra protection for steel angles, making them ideal for long-distance transportation or outdoor storage. 4. Steel Cages: Steel angles can be packaged in metal cages with open sides for visibility and ventilation. This option is useful for bulk quantities. 5. Customized Packaging: Steel angles can be packaged according to specific customer requirements, such as adding protective materials like foam or plastic sheets to prevent damage during transit. It's important to consider factors like size, weight, transportation mode, and regulations when choosing a packaging option for steel angles.

Q: What is the maximum thickness of a steel angle?: The maximum thickness of a steel angle is typically determined by the manufacturing process and the specific requirements of the application. Generally, steel angles can range in thickness from 1/8 inch to several inches. However, it is important to note that the availability of thicker steel angles may vary depending on the supplier and the specific grade of steel being used. In order to determine the maximum thickness of a steel angle for a particular project, it is recommended to consult with a structural engineer or a steel supplier who can provide guidance based on the specific requirements and load-bearing capacities needed.

Q: How do you prevent welding distortion in steel angles?: To prevent distortion in steel angles during welding, there are several strategies that can be implemented: 1. Ensure proper welding technique by correctly setting welding parameters, such as voltage, current, and travel speed, to control heat input. This prevents excessive heating of the steel angles, which can cause distortion. 2. Prepare the steel angles before welding by cleaning surfaces to remove dirt, oil, or rust. Also, bevel the edges of the angles to create a V-groove joint. This allows for better penetration and reduces the risk of distortion. 3. Temporarily hold the steel angles in place using tack welds before final welding. Strategically place these tack welds to evenly distribute stresses during welding and minimize distortion. 4. Determine the most suitable weld sequence for the specific joint configuration. Start welding from the center and progress outwards, alternating sides to balance heat input. This helps avoid localized overheating and subsequent distortion. 5. Use fixtures or clamps to hold the steel angles in place during welding. This ensures they remain in the correct position and minimizes distortion caused by movement or displacement during welding. 6. Consider preheating the steel angles before welding to reduce the risk of distortion. Controlled post-weld heat treatment may also be applied to relieve residual stresses and minimize distortion. 7. Adjust the welding sequence if the steel angles are part of a larger assembly. This involves welding in a specific order to balance shrinkage forces and reduce overall distortion of the assembly. By implementing these measures, welding distortion in steel angles can be effectively prevented, resulting in high-quality welds and ensuring the structural integrity of the fabricated components.

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