Angle steel GB Q235B 20-250MM hot rolled

Angle steel GB Q235B 20-250MM hot rolled System 1

Angle steel GB Q235B 20-250MM hot rolled

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 1000000 m.t./month

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Angle Steel Details:

Minimum Order Quantity:	25mtons	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Product Description:

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:Can steel angles be used as reinforcing bars in concrete structures?: Indeed, reinforcing concrete structures with steel angles is possible. The utilization of steel angles for this purpose is widespread owing to their robustness and longevity. By incorporating steel angles, concrete structures acquire enhanced resilience, averting potential cracks and bolstering overall stability. Typically, steel angles are embedded within the concrete to fortify specific regions demanding supplementary support, including beams, columns, and slabs. Their prevalence in construction ventures, such as bridges, buildings, and various concrete structures, is quite notable.

Q:Can steel angles be easily cut to size?: Certainly! Cutting steel angles to size is a breeze. These angles are widely employed in construction and fabrication endeavors, and they come in a range of lengths and sizes. Achieving the desired length is a simple task with tools like a hacksaw, angle grinder, or plasma cutter. Nevertheless, the ease of cutting steel angles hinges on the steel's thickness and hardness. If the angles are thicker and harder, more potent tools and cutting techniques may be necessary. It's crucial to employ proper safety precautions and tools to guarantee precise and flawless cuts when working with steel angles.

Q:How are steel angles protected against UV degradation?: Steel angles are protected against UV degradation through the application of protective coatings, such as paint or galvanization. These coatings act as a barrier, preventing direct exposure to sunlight and thereby reducing the risk of UV degradation.

Q:How do you transport steel angles?: Transporting steel angles requires careful planning and proper equipment to ensure their safe delivery. Here are some guidelines on how to transport steel angles effectively: 1. Choose the right mode of transportation: Depending on the quantity and distance, you can transport steel angles using various methods such as trucks, trailers, flatbeds, or shipping containers. Consider the dimensions and weight of the angles to determine the most suitable mode of transportation. 2. Secure the angles properly: Steel angles should be securely fastened to prevent any movement during transit. Use sturdy straps, chains, or ropes to hold them in place and protect them from shifting or falling. Avoid over-tightening, as it may cause damage to the angles. 3. Use protective measures: Steel angles are prone to rust and corrosion, especially when exposed to moisture. To prevent this, consider using protective coverings such as plastic wrap or tarps to shield them from rain, snow, or other environmental factors. You can also apply rust inhibitors or coatings to provide additional protection. 4. Distribute the weight evenly: Ensure that the weight of the steel angles is evenly distributed to prevent excessive strain on certain areas. Distribute the load evenly on the trailer or container to maintain balance and stability during transportation. 5. Proper loading and unloading: When loading and unloading steel angles, use appropriate lifting equipment such as cranes, forklifts, or hoists. Ensure that the equipment is capable of handling the weight and size of the angles. Follow proper lifting techniques and use specialized slings or clamps to avoid any damage during the process. 6. Obtain necessary permits and clearances: Depending on the size and weight of the steel angles and the transportation method used, you may need to obtain permits or clearances from relevant authorities. Check local regulations and ensure compliance to avoid any legal issues. 7. Plan the route and consider road conditions: Before transporting steel angles, plan the route carefully to avoid narrow roads, low bridges, or other obstacles that may hinder the safe passage of the load. Consider road conditions, traffic congestion, and any necessary detours to ensure a smooth and secure transportation process. By following these guidelines, you can transport steel angles safely and efficiently, minimizing the risk of damage and ensuring their timely delivery to the desired destination.

Q:How do you prevent steel angles from sagging?: To avoid sagging in steel angles, there are several steps that can be taken: 1. Correct design: It is important to ensure that the steel angles are designed and sized appropriately for the load they will bear. This involves considering factors such as the span length, applied load, and material strength. Seeking advice from a structural engineer can help determine the right size and thickness for the steel angles. 2. Ample support: Providing sufficient support for the steel angles at regular intervals along their length is crucial. This can be achieved by using intermediate supports like columns, beams, or braces. The spacing of these supports should be determined based on the load and the properties of the steel angles. 3. Reinforcement: Depending on the load requirements, additional reinforcements can be added to the steel angles. This may involve incorporating stiffeners, gussets, or flanges to enhance their load-carrying capacity and resistance to sagging. 4. High-quality fabrication: It is essential to ensure that the steel angles are fabricated in accordance with industry standards and specifications. This includes employing proper welding techniques, precise cutting, and appropriate surface preparation to avoid weak points or defects that could contribute to sagging. 5. Regular inspection and maintenance: Regularly inspecting the steel angles is necessary to identify any signs of sagging or structural issues. This can involve visual inspections, measurements, and non-destructive testing methods. Addressing any identified problems promptly is crucial to prevent further deformation and ensure the long-term integrity of the steel angles. By implementing these preventive measures, steel angles can effectively be safeguarded against sagging and maintain their structural stability over time.

Q:What are the different types of steel angles used in agricultural applications?: There are several types of steel angles commonly used in agricultural applications, including L-shaped angles, C-shaped angles, and T-shaped angles. These angles are often used to provide structural support, reinforce joints, or serve as framing components in buildings, equipment, or fencing systems on farms.

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:Can steel angles be used in mezzanine or raised platform construction?: Mezzanine or raised platform construction can indeed incorporate steel angles. The strength and durability of steel angles make them a popular choice for structural supports in construction. These angles can serve as framing components, forming the framework of the mezzanine or raised platform. By providing stability and support, steel angles guarantee the structure's resilience and capacity to endure substantial loads. What's more, the versatility of steel angles stems from their ease of welding or bolting together, rendering them suitable for a wide range of construction projects.

Q:How do steel angles compare to other structural shapes like beams and channels?: Construction and engineering projects often utilize steel angles, beams, and channels as structural shapes. These shapes each possess distinct characteristics and advantages, but steel angles specifically offer unique benefits that contribute to their popularity. The versatility of steel angles is a key advantage. They can be employed in various applications, such as supporting heavy loads, bracing structures, and creating frameworks. With their L-shaped design, steel angles can be easily joined together through welding or bolting to construct larger structures or frameworks. In terms of cost-effectiveness, steel angles tend to be more economical compared to steel beams. They require less material for manufacturing, making them a more budget-friendly option for projects with financial constraints. Furthermore, steel angles are typically lighter in weight than beams, which can be advantageous for transportation and installation expenses. On the other hand, steel channels provide similar benefits to steel angles but possess a distinct shape. Channels possess a U-shaped design, offering enhanced stability and support. They are commonly utilized in applications that demand increased strength, such as the construction of bridges, buildings, and machinery. While steel angles may not offer the same level of strength and load-bearing capacity as steel beams or channels, they remain a reliable choice for numerous structural applications. Their versatility, cost-effectiveness, and ease of installation make them a preferred option for a broad range of construction and engineering projects.

Q:Can steel angles be used in sign support structures?: Yes, steel angles can be used in sign support structures. Steel angles are commonly used in construction as they provide excellent strength and structural support. They can be easily welded or bolted together to form sturdy sign support structures that can withstand various weather conditions and loads.

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