GB Q235B high quality angle steel 20-250MM

GB Q235B high quality angle steel 20-250MM System 1

GB Q235B high quality angle steel 20-250MM

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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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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

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 suitable for playground equipment?: Yes, steel angles are suitable for playground equipment. They provide structural support, stability, and durability, making them ideal for creating safe and long-lasting playground structures.

Q:What are the different types of steel angles connections for mezzanine floors?: There are several different types of steel angle connections that can be used for mezzanine floors. These connections are designed to provide structural stability and support for the floor, ensuring that it can safely accommodate the intended loads and usage. 1. Bolted Connections: Bolted connections are commonly used in mezzanine floors as they offer a strong and secure connection. These connections involve using bolts to attach the steel angles together, creating a rigid and stable framework. Bolted connections can be easily adjusted or disassembled if required. 2. Welded Connections: Welded connections involve joining the steel angles using welding techniques. This type of connection provides a permanent and strong bond between the angles, ensuring maximum stability. Welded connections are often preferred for heavy-duty mezzanine floors where high load-bearing capacity is required. 3. Clip Connections: Clip connections are a popular choice for mezzanine floors as they offer ease of installation and flexibility. These connections involve using metal clips or brackets to secure the steel angles together. Clip connections can be easily adjusted or disassembled, allowing for future modifications or reconfigurations of the mezzanine floor layout. 4. Gusset Plate Connections: Gusset plate connections involve using additional steel plates, known as gusset plates, to reinforce the joint between the steel angles. These plates are typically welded or bolted to the angles, providing added strength and stability to the connection. Gusset plate connections are commonly used in mezzanine floors where extra reinforcement is necessary. 5. Cleat Connections: Cleat connections involve using a cleat plate to connect two steel angles. The cleat plate is attached to one angle, while the other angle is bolted or welded to the plate. This type of connection provides a strong and secure joint, particularly when used with heavy-duty mezzanine floors. It is essential to ensure that the chosen steel angle connections for mezzanine floors are in compliance with local building codes and regulations. Additionally, consulting a structural engineer or a professional with expertise in mezzanine floor construction is recommended to ensure the connections are designed and installed correctly for optimal safety and performance.

Q:How do you protect steel angles from corrosion?: Steel angles can be protected from corrosion through various methods such as coating them with anti-corrosion paints or using galvanization, which involves applying a protective zinc coating. Regular maintenance, including cleaning and inspection, is also important to identify any signs of corrosion and take necessary preventive measures. Additionally, ensuring proper ventilation and avoiding prolonged exposure to moisture can further help protect steel angles from corrosion.

Q:What are the different testing methods used for quality control of steel angles?: There are several testing methods used for quality control of steel angles. These include visual inspection, dimensional measurements, ultrasonic testing, magnetic particle inspection, and load testing. Visual inspection involves visually examining the steel angles for any surface defects or imperfections. Dimensional measurements ensure that the angles meet the specified size and shape requirements. Ultrasonic testing uses sound waves to detect any internal flaws or discontinuities in the material. Magnetic particle inspection involves applying a magnetic field to the angles and using magnetic particles to identify any surface cracks or defects. Lastly, load testing involves subjecting the angles to a predetermined load to determine their strength and structural integrity. These testing methods help ensure that the steel angles meet the required quality standards.

Q:Can steel angles be used in electrical installations?: Absolutely! Steel angles are indeed suitable for electrical installations. They are frequently employed as reliable structural supports for a range of electrical elements, including conduit pipes, junction boxes, and electrical panels. By offering a robust and long-lasting framework, they facilitate the proper installation and ensure safety. Moreover, steel angles possess great versatility, allowing for effortless customization or alteration to meet specific demands of electrical installations.

Q:What are the different types of steel angles?: There are several different types of steel angles, each designed for specific applications and purposes. Some of the common types include: 1. Equal angle: This type of steel angle has equal sides and is widely used in construction for structural support, bracing, and framing. 2. Unequal angle: Also known as L-shaped or unequal leg angle, this type of steel angle has unequal sides, with one longer side and one shorter side. It is commonly used in building construction to create corners, edges, and supports. 3. Stainless steel angle: Made from stainless steel, this type of angle offers excellent corrosion resistance and is commonly used in applications where exposure to moisture or chemicals is a concern, such as in marine environments or food processing facilities. 4. Galvanized angle: Galvanized steel angles are coated with a layer of zinc to provide protection against rust and corrosion. They are commonly used in outdoor and industrial applications where durability is essential. 5. Slotted angle: Slotted steel angles have holes or slots along their length, allowing for easy attachment and adjustment of components. They are commonly used in shelving systems, storage racks, and DIY projects. 6. Rolled steel angle: This type of angle is created by rolling steel into a specific shape, resulting in a uniform and smooth surface. Rolled steel angles are often used in manufacturing, machinery, and structural applications. 7. Structural angle: Structural steel angles are designed to bear heavy loads and provide structural support in construction projects. They are often used in building frames, bridges, and other infrastructure projects. These are just a few examples of the different types of steel angles available. The choice of angle will depend on the specific requirements of the project, including load capacity, corrosion resistance, and aesthetic considerations. Consulting with a professional or structural engineer can help determine the most suitable type of steel angle for a particular application.

Q:What are the different types of connections used for steel angles in marine applications?: Steel angles are commonly utilized in marine applications to provide structural support and reinforcement. To ensure their stability and strength in the harsh marine environment, various types of connections are employed. The different connection methods for steel angles in marine applications include: 1. Welded Connections: Welding is widely used to connect steel angles in marine applications. This method involves melting the base metals and allowing them to cool and solidify, resulting in strong and durable connections. Welded connections are ideal for heavy-duty marine applications due to their excellent strength and durability. 2. Bolted Connections: Another commonly used method is bolted connections, which involve securing the angles together using bolts, nuts, and washers. Bolted connections offer easy installation and allow for disassembly if needed. They are suitable when adjustments or replacements of the angles are required. 3. Riveted Connections: Riveting, an older connection method, is still employed in certain marine applications. It entails using rivets, metal pins with heads, to connect the angles. The rivets are inserted through pre-drilled holes in the angles and deformed to secure them. Riveted connections offer good strength and vibration resistance, but they can be time-consuming to install compared to other methods. 4. Adhesive Connections: Adhesive bonding is a contemporary method used to connect steel angles in marine applications. This method involves utilizing high-strength adhesives to join the angles together. Adhesive connections evenly distribute stress across the connected surfaces and eliminate the need for drilling or welding. However, they require meticulous surface preparation and curing time for optimal strength. 5. Hybrid Connections: In certain cases, a combination of different connection methods may be employed for steel angles in marine applications. For instance, a welded-bolted connection may be used to enhance strength and redundancy. Hybrid connections offer the advantages of multiple connection methods while ensuring a robust and reliable connection. The choice of connection type for steel angles in marine applications depends on factors such as load requirements, environmental conditions, and project specifications. It is crucial to consider the specific needs of the application and consult with structural engineers and marine professionals to determine the most suitable connection method.

Q:Can steel angles be used as reinforcement in concrete slabs?: Yes, steel angles can be used as reinforcement in concrete slabs. Steel angles, also known as L-shaped structural steel, are commonly used in construction for their strength and durability. When placed correctly within a concrete slab, steel angles can enhance its load-bearing capacity and help prevent cracks or structural failure. The angles provide additional strength and support to the concrete, especially in areas where heavy loads or concentrated forces are expected. By incorporating steel angles as reinforcement, the concrete slab becomes more resistant to bending, tension, and shearing forces, making it structurally sound and capable of withstanding higher loads. It is important to ensure proper design and placement of steel angles, following the guidelines and specifications provided by structural engineers, to ensure optimal reinforcement and performance of the concrete slab.

Q:Are there any limitations on the length-to-thickness ratio of steel angles?: Yes, there are limitations on the length-to-thickness ratio of steel angles. These limitations are specified in engineering codes and standards, which provide guidelines for the safe design and use of steel angles. The exact limitations depend on factors such as the material properties, intended application, and structural requirements.

Q:Are steel angles prone to warping or twisting?: Steel angles exhibit a general resistance to warping or twisting, making them highly suitable for a range of structural and manufacturing applications due to their exceptional strength and stability. The production of steel angles involves a hot-rolling process, where the steel billet is heated to a high temperature and then molded into the desired angle shape. This manufacturing technique guarantees that the angles retain their shape and structural integrity. Nevertheless, it is worth noting that steel angles can potentially warp or twist under extreme heat or stress conditions. This is more likely to occur when the angles are exposed to high temperatures, uneven heating or cooling, excessive loads, or improper installation. In such instances, the angles may suffer a compromise in their integrity, resulting in deformation. To minimize the risk of warping or twisting, it is essential to adhere to proper handling and installation procedures. This includes ensuring an even distribution of loads and avoiding prolonged exposure to excessive heat. Moreover, it is advisable to utilize high-quality steel angles from reputable manufacturers and conduct routine inspections to promptly identify and prevent any potential issues. In conclusion, although steel angles generally exhibit resistance to warping or twisting, it is imperative to consider the specific conditions and factors that may impact their stability. Taking appropriate measures to ensure their long-term structural integrity is vital.

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