Structural Steel Angles

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 200000 m.t./month

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Specifications of Structural Steel Angles

1.Standards:GB,ASTM,BS,AISI,DIN,JIS

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

3.Material:GBQ235B,Q345BorEquivalent;ASTMA36;EN10025,S235JR,S355JR;JISG3192,SS400;SS540.

Equal Steel Angle .

4.Sizes:

EQUAL ANGLES SIZES
a(mm)	a1(mm)	thickness(mm)	length
25	25	2.5---3.0	6M/12M
30	30	2.5---4.0	6M/12M
38	38	2.5	6M/12M
38	38	3.0---5.0	6M/12M
40	40	3.0---6.0	6M/12M
50	50	3	6M/12M
50	50	3.7---6.0	6M/9M/12M
60	60	5.0---6.0	6M/9M/12M
63	63	6.0---8.0	6M/9M/12M
65	65	5.0---8.0	6M/9M/12M
70	70	6.0---7.0	6M/9M/12M
75	75	5.0---10.0	6M/9M/12M
80	80	6.0---10.0	6M/9M/12M
90	90	6.0---10.0	6M/9M/12M
100	100	6.0---12.0	6M/9M/12M
120	120	8.0-12.0	6M/9M/12M
125	125	8.0---12.0	6M/9M/12M
130	130	9.0-12.0	6M/9M/12M
140	140	10.0-16.0	6M/9M/12M
150	150	10---15	6M/9M/12M
160	160	10---16	6M/9M/12M
180	180	12---18	6M/9M/12M
200	200	14---20	6M/9M/12M

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 Structural Steel Angles

Trusses;

Transmission towers;

Telecommunication towers;

Bracing for general structures;

Stiffeners in structural use.

steel angle

Packaging & Delivery of Structural Steel Angles

1. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

2. With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.

3. Marks:

Color mark: 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.

steel angle

Q: Can steel angles be used in seismic-resistant structures?: Yes, steel angles can be used in seismic-resistant structures. Steel angles are commonly used as structural elements in buildings and bridges due to their high strength and versatility. In seismic-resistant structures, steel angles can be utilized in various ways to enhance the overall structural integrity and resistance to earthquakes. Steel angles can be used as bracing elements in seismic-resistant structures. By connecting steel angles diagonally between different structural components, they can help to distribute and dissipate seismic forces, reducing the overall impact on the structure. This helps to prevent excessive deformation or collapse during an earthquake. Additionally, steel angles can be used to reinforce and strengthen key components of the structure. For example, they can be welded or bolted to the beams and columns to provide additional support and stiffness. This reinforcement helps to withstand the lateral forces generated by earthquakes, improving the overall seismic performance of the structure. Moreover, steel angles can be employed in the construction of moment-resisting frames, which are widely used in seismic-resistant structures. In these frames, steel angles are used as the main components to create rigid connections between beams and columns, allowing them to transfer and distribute seismic forces effectively. This design strategy helps to minimize structural damage and provides better resistance to earthquakes. It is important to note that the use of steel angles in seismic-resistant structures should comply with relevant building codes and regulations. The specific design and detailing requirements may vary depending on the seismic zone and the magnitude of potential earthquakes. Therefore, it is crucial to consult with structural engineers and adhere to the appropriate guidelines to ensure the safe and effective use of steel angles in seismic-resistant structures.

Q: Can steel angles be used for manufacturing safety barriers?: Yes, steel angles can be used for manufacturing safety barriers. Steel angles are commonly utilized due to their structural strength, durability, and ability to withstand impact. Their L-shape design allows for easy installation and provides stability, making them suitable for constructing safety barriers in various settings such as highways, construction sites, and industrial facilities.

Q: What are the different types of connections used for steel angles in steel frames?: There are several types of connections used for steel angles in steel frames, including welded connections, bolted connections, and riveted connections. Welded connections involve fusing the angles together using heat, creating a strong and permanent bond. Bolted connections involve using bolts and nuts to secure the angles together, allowing for easy disassembly if necessary. Riveted connections involve using rivets, which are metal pins, to hold the angles together by forming a permanent, tight fit. The choice of connection type depends on the specific requirements of the steel frame and the desired level of strength and durability.

Q: What are the different methods of surface powder coating for steel angles?: There are several methods of surface powder coating for steel angles. These methods are used to apply a protective and decorative layer of powder coating onto the steel surface. 1. Electrostatic Spraying: This is one of the most common methods used for powder coating steel angles. It involves using an electrostatic spray gun to apply the powder coating onto the surface. The powder particles are positively charged and are attracted to the grounded steel angle, resulting in a uniform and even coating. 2. Fluidized Bed: In this method, the steel angles are preheated and then dipped into a bed of fluidized powder particles. The heat from the steel causes the powder particles to melt and adhere to the surface, forming a smooth and durable coating. 3. Powder Coating Booth: This method involves placing the steel angles inside a powder coating booth. The booth is equipped with a powder spray gun that applies a fine mist of powder coating onto the surface. The angles are then cured in an oven to melt and bond the powder particles, creating a strong and long-lasting coating. 4. Electrostatic Fluidized Bed: This method combines the benefits of electrostatic spraying and fluidized bed techniques. The steel angles are preheated and then dipped into a bed of fluidized powder particles. An electrostatic charge is also applied to the powder particles, ensuring a more uniform and controlled coating. 5. Tribocharging: In this method, the powder coating is applied to the steel angles by frictional charging. The powder particles are passed through a tribocharging gun, which imparts a positive charge to the particles. The charged particles are then attracted to the grounded steel angle, resulting in a high-quality and consistent coating. Each of these methods has its own advantages and suitability for specific applications. The choice of the coating method depends on factors such as the desired finish, coating thickness, production volume, and cost considerations.

Q: Can steel angles be used in electrical grounding applications?: Steel angles have the potential to be utilized in electrical grounding applications. Their strength and durability make them a popular choice in construction. In the context of electrical grounding, steel angles can be employed to establish grounding grids or systems. These grids or systems serve to mitigate the risk of electrical shock by creating a pathway of low-resistance for electrical currents to travel into the ground. Due to their ability to endure physical strain and their conductive nature, steel angles are frequently incorporated as structural elements in these grounding systems. Nevertheless, it is crucial to adhere to pertinent codes and standards when installing and connecting the steel angles to the electrical system to ensure that effective grounding and safety are achieved.

Q: What are the design considerations for incorporating steel angles into a structure?: When incorporating steel angles into a structure, several design considerations need to be taken into account. First and foremost, the load-bearing capacity of the steel angles must be carefully assessed to ensure they can support the intended loads. The dimensions and thickness of the angles should be determined based on the structural requirements and anticipated stress levels. Additionally, the connection details between the steel angles and other structural elements need to be carefully designed to ensure they provide sufficient strength and rigidity. Considerations should include the type of fasteners, welding techniques, and any additional reinforcement required to achieve the desired structural integrity. Furthermore, factors such as corrosion protection, fire resistance, and durability should also be considered during the design process. Appropriate measures should be taken to prevent rust and corrosion on the steel angles, such as applying protective coatings or using stainless steel. Fire-resistant coatings or fireproofing materials may also be necessary, depending on the building's fire safety requirements. Lastly, aesthetics and architectural considerations may come into play when incorporating steel angles into a structure. The design should take into account the desired visual appearance, whether the angles will be exposed or concealed, and how they will integrate with the overall architectural style. In conclusion, the design considerations for incorporating steel angles into a structure involve assessing load-bearing capacity, connection details, corrosion protection, fire resistance, durability, and aesthetic integration.

Q: How do you calculate the compression capacity of a steel angle?: To calculate the compression capacity of a steel angle, you need to consider the cross-sectional area of the angle and the material's yield strength. The compression capacity can be determined by multiplying the cross-sectional area of the angle by the yield strength of the steel.

Q: Are steel angles available in different grades of steel?: Different grades of steel are available for steel angles, which are widely used in the construction and manufacturing industries for various purposes including structural support, framing, and bracing. The grade of steel used in steel angles is determined based on its chemical composition, mechanical properties, and intended use. A36, A572, and A588 are some common grades of steel used for steel angles, each with specific characteristics suited for different applications. For instance, A36 steel angles are commonly utilized for general structural purposes, whereas A572 steel angles possess higher strength and are often utilized in heavy-duty construction projects. The selection of the grade depends on factors like load-bearing capacity, corrosion resistance, and cost considerations.

Q: What are the different methods for protecting steel angles from corrosion?: There are several methods available for protecting steel angles from corrosion. 1. Galvanization: Galvanization is a widely used method where a layer of zinc is applied to the surface of the steel angle. This zinc layer acts as a sacrificial anode, meaning it corrodes first before the steel, protecting it from rust. This method provides excellent protection and is commonly used in outdoor applications such as construction and infrastructure. 2. Paint coating: Applying a paint coating to the steel angle can provide an effective barrier against corrosion. The paint forms a protective layer that prevents moisture and oxygen from reaching the steel surface, thus inhibiting the corrosion process. It is important to use high-quality, corrosion-resistant paints for long-term protection. 3. Powder coating: Powder coating involves applying a dry powder to the steel angle which is then cured at high temperatures. This creates a hard, durable, and protective layer on the surface. Powder coating provides an attractive finish and excellent resistance to corrosion, making it suitable for both indoor and outdoor applications. 4. Stainless steel: Using stainless steel angles is another method for protecting against corrosion. Stainless steel contains chromium, which forms a passive oxide layer on the surface that acts as a protective barrier against corrosion. This makes stainless steel highly resistant to rust, making it ideal for applications where corrosion is a concern. 5. Cathodic protection: Cathodic protection is a technique used to protect steel angles by making them the cathode in a corrosion cell. This is achieved by connecting the steel angle to a sacrificial anode, such as zinc or aluminum, or by using impressed current systems. By doing so, the anode corrodes instead of the steel, effectively protecting it from corrosion. It is worth noting that the selection of the appropriate method for protecting steel angles from corrosion depends on various factors such as the intended application, environmental conditions, and budget constraints. Consulting with corrosion experts and considering the specific requirements of the project is advisable to ensure the most suitable method is chosen.

Q: How do you calculate the weight-bearing capacity of a steel angle?: To calculate the weight-bearing capacity of a steel angle, you need to consider its dimensions, material properties, and loading conditions. The weight-bearing capacity can be calculated using engineering formulas and techniques such as the Euler formula or the AISC Manual. These calculations take into account factors like the cross-sectional area, moment of inertia, and the applied loads to determine the maximum load the steel angle can support without failure.

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