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:How do you design connections for steel angles to steel beams?: When designing connections for steel angles to steel beams, several factors need to be considered. Firstly, the load-bearing capacity of both the angles and beams should be determined based on the applied loads. Secondly, the connection type, such as bolted or welded, needs to be selected considering factors like ease of fabrication and installation, structural requirements, and maintenance considerations. The connection should be designed to ensure sufficient strength, rigidity, and stability, while also considering factors like fatigue, corrosion, and fire resistance. Additionally, relevant design codes and standards should be followed to ensure safe and efficient connections.

Q:What are the typical lengths of steel angles?: Steel angles come in a range of lengths depending on their intended purpose and use. Generally, they are found in standard sizes of 20 feet or 6 meters, which are favored by manufacturers and construction firms for their convenience and easy transport. Moreover, steel angles can be tailored to meet the specific length requirements of a particular project.

Q:How do you bend steel angles?: To successfully bend steel angles, several steps must be followed. Begin by ensuring you possess the appropriate tools and equipment, such as a bending machine or bending brake, specifically designed for accurately and efficiently bending metal angles. Next, precisely measure and mark the desired bending point on the steel angle using a ruler or measuring tape to guarantee accuracy. Precise markings are crucial for achieving the desired angle. Once the bending point is marked, securely fasten the steel angle in the bending machine or brake to prevent any movement or slippage during the bending process. Now, meticulously align the bending machine or brake with the marked bending point, adjusting the bending angle to meet your requirements. Typically, this can be accomplished by manipulating the clamps or handles on the machine. When everything is appropriately aligned, gradually apply pressure to the bending machine or brake. Begin with low pressure and gradually increase it until the steel angle starts to bend. It is important to exercise patience and avoid excessive force, as this can cause the angle to deform or fracture. Continue to apply pressure until the desired angle is achieved, using a protractor or angle measuring tool to ensure accuracy. If needed, make minor adjustments to the angle by repositioning the steel angle in the bending machine or brake. Upon completing the bending process, cautiously remove the steel angle from the bending machine or brake. Inspect the angle for any imperfections or deformities. If any issues are identified, it may be necessary to repeat the bending process or modify your technique. It is crucial to note that bending steel angles can be challenging, particularly for individuals lacking experience or proper tools. If you feel uncertain about the process, it is advisable to seek professional assistance or consult with a metal fabrication expert who can safely and accurately guide you through the bending process.

Q:Are steel angles suitable for manufacturing support brackets for pipes?: Yes, steel angles are suitable for manufacturing support brackets for pipes. Steel angles are known for their strength and durability, making them an ideal material for supporting heavy loads such as pipes. They provide excellent structural support and can withstand the weight and pressure exerted by pipes. Additionally, steel angles are resistant to corrosion, which is crucial when dealing with pipes that may come into contact with moisture or chemicals. Their versatility allows for various design options, making it easier to customize support brackets to fit specific pipe sizes and configurations. Overall, steel angles are a reliable and practical choice for manufacturing support brackets for pipes.

Q:Can steel angles be used as lintels or beams in construction?: Steel angles can serve as lintels or beams in construction. These versatile structural elements lend support and strength to various kinds of structures. They are commonly utilized in construction projects due to their ability to bear heavy loads and resist bending or warping. When employed as lintels, steel angles are typically positioned horizontally above doors and windows to distribute the weight of the structure above and prevent sagging in the openings. As beams, steel angles can be employed to support floors, roofs, or other structural components. Their durability, versatility, and cost-effectiveness make them a popular choice compared to other materials. Nevertheless, it is crucial to seek advice from a structural engineer or construction professional to ensure that the specific steel angles being used are appropriate for the intended application and adhere to the necessary building codes and standards.

Q:How many meters is one angle steel?: According to the specification number, the selection range of the domestic angle iron is 3 - 9m, 4 - 12M, 4 - 19m, 6 - 19m four scopes. The length of Japanese steel angle is chosen from 6 to 15m.

Q:What is the maximum allowable torsional lateral-torsional buckling stress for a steel angle?: The maximum allowable torsional lateral-torsional buckling stress for a steel angle depends on various factors, such as the material properties of the angle, the dimensions of the angle, and the specific application or design code being followed. In general, the maximum allowable torsional lateral-torsional buckling stress is determined by considering the critical load at which the angle would start to buckle due to combined torsional and lateral loads. This buckling mode occurs when the angle undergoes both torsional twisting and lateral deflection simultaneously, leading to a loss of stability. To calculate the maximum allowable stress, engineers typically use various formulas and design codes specific to the application. These formulas consider factors such as the angle's moment of inertia, cross-sectional dimensions, slenderness ratio, and other geometric properties. It is important to note that the maximum allowable torsional lateral-torsional buckling stress for a steel angle may differ depending on the design code being followed. Design codes such as the American Institute of Steel Construction (AISC) Steel Construction Manual or the Eurocode provide guidelines and equations to determine the maximum allowable stress for different types of steel angles. Therefore, to determine the specific maximum allowable torsional lateral-torsional buckling stress for a steel angle, it is necessary to consult the relevant design code or seek assistance from a qualified structural engineer.

Q:Can steel angles be used for manufacturing bike racks?: Certainly! Bike racks can indeed be manufactured using steel angles. These angles offer both strength and durability, making them ideal for supporting the weight of numerous bicycles. Moreover, steel angles can be effortlessly welded or bolted together to construct a robust frame for the bike rack. The adaptability of steel angles enables customization and design flexibility, allowing for the accommodation of various bicycle types and sizes. Furthermore, steel angles possess the ability to withstand outdoor conditions and are resistant to rust and corrosion, ensuring the bike rack's longevity. In conclusion, steel angles are a dependable and pragmatic option for bike rack manufacturing.

Q:What are the different types of surface finishes available for steel angles?: There are several different types of surface finishes available for steel angles, each providing unique characteristics and benefits. 1. Mill Finish: This is the most basic and common type of surface finish for steel angles. It is essentially the raw, untreated surface of the steel, which may have some imperfections and roughness. Mill finish is often used for structural applications where aesthetics are not a priority. 2. Hot-Dip Galvanized: This surface finish involves immersing the steel angle in a bath of molten zinc, creating a protective coating that prevents corrosion. Hot-dip galvanized steel angles are highly resistant to rust and can be used in outdoor or corrosive environments. 3. Powder Coated: Powder coating is a process where a dry powder is electrostatically applied to the steel angle and then cured under heat. This creates a durable and attractive finish that provides excellent resistance to chipping, scratching, and fading. Powder coated steel angles are commonly used in architectural and decorative applications. 4. Painted: Steel angles can also be painted with various types of paint, such as epoxy, enamel, or acrylic. Paint provides a protective layer and can enhance the appearance of the steel angle. However, painted surfaces may be more susceptible to chipping and require periodic maintenance. 5. Stainless Steel: Stainless steel angles have a naturally smooth and polished surface due to their composition. They are highly resistant to corrosion and staining, making them suitable for applications in industries such as food processing, pharmaceuticals, and marine environments. 6. Shot Blasting: Shot blasting is a surface treatment process where steel angles are bombarded with small metallic or non-metallic particles at high velocity. This removes any rust, scale, or contaminants from the surface, resulting in a clean and roughened finish. Shot blasting prepares the steel angle for further coating or painting. These are just a few examples of the different types of surface finishes available for steel angles. The choice of finish depends on the specific requirements of the application, including factors such as corrosion resistance, aesthetics, durability, and cost.

Q:Can steel angles be used for framing in modular construction?: Framing in modular construction can indeed utilize steel angles. These structural elements are widely employed in construction owing to their remarkable strength and versatility. Combining them through simple bolting or welding techniques allows for the creation of a robust framework, enhancing the overall stability and structural integrity of modular construction. Furthermore, steel angles exhibit exceptional durability and corrosion resistance, rendering them suitable for various environmental conditions. All in all, when it comes to framing in modular construction projects, steel angles prove to be a fitting selection.

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