Steel Angle Bar-GB Standard

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications of Angle Steel

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

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

3. Sizes:

Size(mm)	Mass(Kg/m)	Size(mm)	Mass(Kg/m)
12012010	18.055	15015010	22.765
1251258	15.504	15015012	27.13
12512510	19.133

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.

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

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: What are the common methods of surface finishing for steel angles?: Steel angles can be surface finished in various ways to achieve specific aesthetic and functional properties. The following methods are commonly used: 1. Paint application: To protect against corrosion and enhance appearance, a protective coat of paint is applied to the steel angle. Different types of paint, like epoxy, acrylic, or powder coatings, are chosen based on specific needs. 2. Galvanization: This method involves immersing the steel angle in molten zinc to create a protective layer on its surface. Galvanization is particularly effective for steel angles exposed to harsh environments or outdoor use. 3. Powder coating: In this process, a dry powder is electrostatically sprayed onto the steel angle and then cured in an oven. The result is a durable finish that resists chipping, fading, and corrosion. Powder coating is preferred when a thicker, more robust finish is desired. 4. Anodizing: Although mainly used for aluminum, anodizing can also be applied to steel angles. It creates an oxide layer on the surface through an electrochemical process, providing increased corrosion resistance and the option to add color. 5. Shot blasting: This surface preparation technique involves bombarding the steel angle with small steel shots at high velocity. Shot blasting removes rust, mill scale, and other impurities, leaving the surface clean and prepared for further finishing processes. 6. Polishing: This technique mechanically smooths and shines the steel angle's surface, achieving a reflective, mirror-like finish or removing imperfections. These methods offer different advantages and are suitable for various applications. The choice of method depends on factors such as desired appearance, environmental conditions, and specific performance requirements.

Q: What are the common grades of steel used for angles?: The common grades of steel used for angles include A36, A572, and A588.

Q: Can steel angles be used for manufacturing equipment frames?: Yes, steel angles can be used for manufacturing equipment frames. Steel angles are commonly used in construction and industrial applications due to their strength, durability, and versatility. They provide structural support and stability, making them suitable for creating frames for various types of equipment.

Q: Can steel angles be fire-resistant?: Indeed, steel angles possess fire-resistant qualities. Being a material, steel inherently possesses fire resistance due to its high melting point and low thermal conductivity. When faced with elevated temperatures, steel angles can retain their structural integrity and withstand deformation for a significant duration. Furthermore, fire resistance in steel angles can be augmented through diverse approaches, such as the utilization of fire-resistant coatings or the integration of fire-resistant materials in their design. These measures serve to heighten the fire resistance capacity of steel angles, rendering them appropriate for scenarios where fire protection is imperative, such as the establishment of fire-resistant walls, ceilings, and structural systems in construction projects.

Q: Can steel angles be used for manufacturing decorative brackets?: Yes, steel angles can be used for manufacturing decorative brackets. Steel angles are versatile and can be easily fabricated into various shapes and sizes, making them suitable for creating decorative brackets. The angles can be cut, welded, and formed into different designs to achieve the desired aesthetic appeal. Furthermore, steel angles offer strength and durability, ensuring that the decorative brackets can support the weight of the objects they hold. Whether it is for architectural purposes or home décor, steel angles provide a reliable and cost-effective option for manufacturing decorative brackets.

Q: What are the standard tolerances for steel angles?: The standard tolerances for steel angles vary depending on the specific industry and application. However, in general, the standard tolerances for steel angles typically include dimensional tolerances such as length, width, and thickness, as well as straightness and twist tolerances. These tolerances ensure that the steel angles meet the required specifications and can be effectively used in various construction and manufacturing processes.

Q: What are the different types of steel angles connections for mezzanine floors?: Mezzanine floors can utilize various steel angle connections to achieve structural stability and support. These connections are crucial for safely accommodating intended loads and usage. 1. Bolted Connections: Mezzanine floors commonly employ bolted connections due to their strength and security. By using bolts, the steel angles are attached to create a rigid and stable framework. If necessary, bolted connections can be easily adjusted or disassembled. 2. Welded Connections: To achieve maximum stability, welded connections join the steel angles using welding techniques. This type of connection provides a permanent and robust bond between the angles. Welded connections are often preferred for heavy-duty mezzanine floors with high load-bearing requirements. 3. Clip Connections: Clip connections are a popular choice for mezzanine floors due to their ease of installation and flexibility. Metal clips or brackets secure the steel angles together in this connection type. Adjusting or disassembling clip connections is simple, allowing for future modifications or reconfigurations of the mezzanine floor layout. 4. Gusset Plate Connections: To reinforce the joint between steel angles, gusset plate connections utilize additional steel plates known as gusset plates. These plates are typically welded or bolted to the angles, adding strength and stability to the connection. Gusset plate connections are commonly used when extra reinforcement is required for mezzanine floors. 5. Cleat Connections: Cleat connections involve using a cleat plate to connect two steel angles. One angle is attached to the cleat plate, while the other angle is bolted or welded to the plate. This connection type provides a strong and secure joint, especially for heavy-duty mezzanine floors. Compliance with local building codes and regulations is crucial when selecting steel angle connections for mezzanine floors. Consulting a structural engineer or a professional with expertise in mezzanine floor construction is recommended to ensure correct design and installation of connections for optimal safety and performance.

Q: How do you calculate the deflection of a loaded steel angle?: To calculate the deflection of a loaded steel angle, you need to consider several factors and apply the principles of structural engineering. Here is a step-by-step guide on how to do it: 1. Determine the load: First, you need to know the magnitude and distribution of the load applied to the steel angle. This could be a point load, uniformly distributed load, or a combination of both. 2. Identify the properties of the steel angle: Obtain the dimensions and material properties of the steel angle. This includes the length, width, thickness, and the modulus of elasticity (E) for the steel material. The modulus of elasticity represents the stiffness of the material. 3. Determine the support conditions: Assess how the steel angle is supported. This could be simply supported at both ends, fixed at one end, or a combination of fixed and simply supported conditions. Different support conditions will yield different deflection formulas. 4. Select an appropriate deflection formula: Depending on the load and support conditions, choose the relevant deflection formula from a reference source such as a structural engineering handbook. There are various formulas available, including those specifically designed for angles subjected to bending. 5. Plug in the values: Substitute the known values, such as load magnitude, angle dimensions, and material properties, into the selected deflection formula. Ensure that the units are consistent. 6. Solve for deflection: Perform the necessary calculations to determine the deflection of the loaded steel angle. The result will be in units of length (e.g., inches or millimeters). 7. Verify the deflection: If possible, compare the calculated deflection with the allowable deflection specified in relevant design codes or standards. This will help ensure that the angle is not deflecting beyond acceptable limits. Remember, calculating the deflection of a loaded steel angle is an engineering task that requires knowledge of structural principles and the use of appropriate formulas. If you are unsure or dealing with complex scenarios, it is recommended to consult a professional structural engineer for accurate and reliable calculations.

Q: Can steel angles be used for architectural detailing or ornamentation?: Yes, steel angles can be used for architectural detailing or ornamentation. They are commonly used to add structural support, create unique design elements, and enhance the aesthetic appeal of buildings. Their versatility, strength, and durability make them suitable for various architectural applications.

Q: How do you calculate the shear strength of a steel angle?: To calculate the shear strength of a steel angle, you need to consider the properties of the material and the geometry of the angle. The shear strength is a measure of the maximum load that the angle can withstand before it fails under shear stress. First, you need to determine the cross-sectional area of the steel angle. This can be calculated by multiplying the thickness of the angle by the length of one side. For example, if the angle has a thickness of 0.25 inches and a length of 4 inches, the cross-sectional area would be 1 square inch (0.25 inches x 4 inches). Next, you need to determine the shear stress that the angle can withstand. This is typically provided by the manufacturer and is given as a maximum value in pounds per square inch (psi) or megapascals (MPa). For example, let's say the shear stress is given as 30,000 psi. To calculate the shear strength, you simply multiply the cross-sectional area by the shear stress. Using the example values, the shear strength would be 1 square inch x 30,000 psi = 30,000 pounds. It is important to note that this calculation assumes the angle is loaded in a single shear plane and that the material is homogenous and isotropic. In real-world applications, there may be additional factors to consider, such as the presence of holes, welds, or other stress concentrations. In these cases, more complex calculations or testing may be required to determine the shear strength accurately.

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