GB Equal Structural Angle Steel System 1

GB Equal Structural Angle Steel

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 30000 m.t./month

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Product Description:

Specifications of GB Equal Structural Angle

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

2. Length: 6m, 9m, 12m

3. Material:Material: GB Q235B, Q345B or Equivalent; ASTM A36; EN 10025, S235JR, S355JR; JIS G3192, SS400;

SS540.

4.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. 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 GB Equal Structural Angle

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.

Q:What are the different manufacturing processes for steel angles?: Steel angles can be manufactured using various methods, each with its own advantages and applications. 1. The most common method is hot rolling. It involves heating a large billet of steel and passing it through rollers to shape it into the desired angle. This process provides precise control over dimensions and shape, resulting in high-quality products. 2. Cold drawing is another process where a steel billet is pulled through a die to form the angle shape. It is commonly used for smaller and intricate angles, offering greater control over dimensions and surface finish. It also improves mechanical properties like strength and hardness. 3. Extrusion is a method where a heated billet of steel is forced through a die using high pressure. It is suitable for producing complex and custom-designed angles with unique cross-sectional profiles. 4. Bending involves using specialized machinery to bend a flat piece of steel into the desired angle shape. It is often used for smaller angles with specific dimensions or custom requirements. 5. Welding is another method where two or more steel plates or sections are welded together to form the angle. It is commonly used for producing large and heavy-duty angles that require additional strength and stability. Each of these manufacturing processes offers unique benefits and is suitable for specific applications. The choice of process depends on factors such as desired dimensions, tolerances, surface finish, mechanical properties, and production volume.

Q:Can steel angles be used as support brackets?: Indeed, support brackets can be fashioned from steel angles. In construction, steel angles find widespread usage in the provision of structural support and stability. They possess versatility and can be conveniently affixed to walls, floors, or alternative surfaces, thereby engendering a robust and dependable support framework. Frequently, steel angles are employed in supporting beams, joists, or shelves, and they can additionally serve as corner brackets to fortify joints or connections. The exceptional potency and resilience of steel render it an exemplary selection for support brackets, guaranteeing their ability to endure substantial loads and furnish enduring support.

Q:What are the standard specifications for steel angles?: Various organizations, such as ASTM and ISO, define the standard specifications for steel angles. These specifications guarantee that steel angles fulfill specific quality and dimensional criteria. ASTM A36 is one of the frequently utilized specifications for steel angles, which encompasses carbon structural steel shapes. According to this specification, steel angles must possess a minimum yield strength of 36,000 psi and a minimum tensile strength ranging from 58,000 to 80,000 psi. The dimensions of the angles are specified in terms of leg length, thickness, and angle size, which can vary from 1/2 inch to 8 inches. Another widely employed specification is ASTM A572, which includes high-strength low-alloy structural steel shapes. Steel angles under this specification need to have a minimum yield strength of 50,000 psi and a minimum tensile strength ranging from 65,000 to 80,000 psi. The dimensions of the angles are similar to those described in ASTM A36. ISO also provides standards for steel angles, such as ISO 657-1 and ISO 657-5. These standards define the dimensions, tolerances, and technical requirements for hot-rolled steel angles. ISO 657-1 pertains to general purpose angles, while ISO 657-5 is concerned with unequal leg angles. Furthermore, steel angles may be subject to specific requirements based on their intended application or industry. For instance, angles used in construction or engineering projects may need to adhere to additional specifications outlined by local building codes or design guidelines. To ensure that steel angles satisfy the necessary requirements for a particular application, it is crucial to consult the relevant standards and specifications. These standards play a vital role in guaranteeing the quality, strength, and dimensional accuracy of the angles.

Q:How do you handle and install steel angles on a construction site?: To handle and install steel angles on a construction site, it is important to follow a systematic process. First, ensure that all necessary safety precautions, such as wearing appropriate protective gear, are in place. Then, use appropriate lifting equipment, such as cranes or forklifts, to safely transport and position the steel angles at the desired location. Next, accurately measure and mark the positions where the angles will be secured. Use appropriate tools, such as drills or welding equipment, to fasten the angles securely to the structure, following the specifications and guidelines provided by engineers or construction plans. Finally, inspect the installation to ensure proper alignment, stability, and structural integrity.

Q:How do you prevent corrosion between steel angles and other materials?: To prevent corrosion between steel angles and other materials, there are several effective measures that can be taken: 1. Protective Coatings: Applying a protective coating such as paint, epoxy, or galvanization on the steel angles can create a barrier between the steel and the surrounding materials, preventing direct contact and reducing the risk of corrosion. 2. Insulation: Using insulating materials like rubber or plastic pads or sleeves between the steel angles and other materials can prevent direct contact and minimize the chances of corrosion. 3. Cathodic Protection: By installing sacrificial anodes or using impressed current systems, a cathodic protection mechanism can be established to protect the steel angles. This process involves creating an electrical current that counteracts the corrosion process, keeping the steel angles intact. 4. Regular Maintenance: Regular inspection and maintenance of the steel angles are crucial to identify any signs of corrosion and take appropriate actions promptly. This can include cleaning the surfaces, repairing any damaged coatings, and replacing corroded parts. 5. Proper Drainage: Ensuring proper drainage around the steel angles is essential to prevent moisture accumulation, which can accelerate corrosion. Proper design and installation of drainage systems can prevent water or other corrosive substances from pooling around the steel angles. 6. Avoiding Chemical Exposure: If the steel angles are in an environment where they may come into contact with chemicals or corrosive substances, it is important to choose materials that are resistant to corrosion. This could involve using stainless steel or other corrosion-resistant alloys that can withstand exposure to the specific chemicals present. Overall, implementing a combination of protective coatings, insulation, cathodic protection, regular maintenance, proper drainage, and material selection based on the environment can effectively prevent corrosion between steel angles and other materials, ensuring their longevity and structural integrity.

Q:Can steel angles be used in automotive applications?: Yes, steel angles can be used in automotive applications. They are commonly used in the construction of vehicle frames, chassis, and suspension components due to their high strength and durability. Steel angles provide stability and support to the structure of a vehicle, making them an essential component in automotive manufacturing.

Q:What is the fire resistance rating of steel angles?: The fire resistance rating of steel angles depends on various factors such as the size and thickness of the angle, the type of steel used, and the specific fire protection measures implemented. Steel is inherently fire-resistant due to its high melting point and low thermal conductivity. However, the fire resistance rating can be enhanced by applying fireproofing materials, such as intumescent coatings or fire-resistant boards, to the steel angles. These fire protection measures can significantly increase the fire resistance rating of steel angles by providing insulation and slowing down the transfer of heat to the steel. The specific fire resistance rating can vary based on the thickness and type of fireproofing materials used. For example, a steel angle with a certain fireproofing coating may have a fire resistance rating of 60 minutes, meaning it can withstand exposure to fire for up to 60 minutes before losing its structural integrity. It is important to consult local building codes, regulations, and fire safety standards to determine the specific fire resistance requirements for steel angles in a particular application. These standards can provide guidance on the necessary fire protection measures and the minimum fire resistance ratings that need to be met in different construction scenarios.

Q:What is angle iron?: The angle iron can be made up of different force components according to the different structure, and can also be used as the connecting piece between the components. Widely used in a variety of architectural and engineering structures, such as beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container rack and warehouse shelves, also used to protect column, wall parts easy to hit.

Q:What is the corresponding length of the root weight in the angle standard?: The profile is divided into fixed size and no fixed size. The fixed length is the weight, the length and the size of each meter, that is, the weight of each piece.

Q:What are the different types of steel angles used in automotive manufacturing?: There are several types of steel angles used in automotive manufacturing, including equal angles, unequal angles, and L-shaped angles. These angles are commonly used in various structural components of vehicles, such as chassis frames, suspension systems, and body reinforcements.

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