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: Can steel angles be used in the construction of warehouses?: Yes, steel angles can be used in the construction of warehouses. Steel angles are commonly used as structural components in various construction projects, including warehouses. They provide strength and stability to the structure, making them suitable for supporting heavy loads and withstanding the demands of warehouse operations. Additionally, steel angles can be easily fabricated, installed, and connected, making them a cost-effective and efficient choice for warehouse construction.

Q: What is the difference between mill finish and hot-dip galvanized steel angles?: Mill finish and hot-dip galvanized steel angles are two different types of steel finishes that have distinct characteristics and applications. Mill finish refers to the surface finish of steel angles straight from the mill, without any additional coatings or treatments. It has a dull, matte appearance and may have slight imperfections such as small scratches or marks. Mill finish steel angles are typically used in structural applications where aesthetics are not a priority, such as in construction projects or industrial settings. They are also commonly used as structural support in buildings, bridges, and machinery. On the other hand, hot-dip galvanized steel angles undergo a process called hot-dip galvanizing. This involves immersing the steel angles in a bath of molten zinc, which creates a protective coating on the surface. The zinc coating provides excellent corrosion resistance, making hot-dip galvanized steel angles suitable for outdoor applications or environments where the angles may be exposed to moisture, chemicals, or harsh weather conditions. The galvanized coating also gives the steel angles a shiny, metallic appearance. In summary, the main difference between mill finish and hot-dip galvanized steel angles lies in their surface finishes and corrosion resistance properties. Mill finish steel angles have a dull appearance and are used primarily for structural purposes, while hot-dip galvanized steel angles have a shiny appearance and offer superior corrosion protection, making them ideal for outdoor applications.

Q: Can iron angle steel be welded with stainless steel angle steel?: If the angle, in a cross-sectional angle welding of carbon steel plate, stainless steel angle welding a stainless steel cross sectional iron. Two cross cutting iron plate punching, 8.8 high strength screw fastening piece.Carbon steel and stainless steel welding, belong to dissimilar metal welding. Higher requirements for welding technology. Screw connections are the most economical,

Q: Are steel angles suitable for high-temperature environments?: Depending on the type of steel used, steel angles can be suitable for high-temperature environments. Excellent heat resistance properties are known for certain stainless steel grades, such as 304 and 316. These stainless steel angles can withstand high temperatures without significant loss of strength or corrosion resistance. They also possess good oxidation resistance, which is crucial in high-temperature environments where oxidation may occur. However, it should be noted that not all steel angles are suitable for high-temperature applications. Carbon steels, for instance, are not recommended for prolonged exposure to high temperatures. They may experience significant structural changes, such as softening or even melting, which can compromise their integrity and strength. When choosing steel angles for high-temperature environments, it is crucial to consider factors such as the specific temperature range, duration of exposure, and the presence of corrosive gases or chemicals. Seeking guidance from a material engineer or a steel supplier with expertise in high-temperature applications can help ensure the selection of the appropriate steel angle with the necessary heat resistance properties for the specific environment.

Q: Can steel angles be used for decorative purposes?: Yes, steel angles can definitely be used for decorative purposes. They can be shaped and designed in various ways to add a modern and industrial touch to interior or exterior spaces. Steel angles can be used as decorative accents, such as in furniture design, architectural details, or even as standalone decorative pieces. Their durability and versatility make them an excellent choice for adding a unique and stylish element to any space.

Q: How are steel angles supported during installation?: Various techniques and materials are typically utilized to support steel angles during installation. One popular approach involves employing steel brackets or supports specially designed to secure the angles in place. These brackets are commonly affixed to the structure using bolts or screws, effectively providing stability and structural integrity to the angles. Another means of support involves directly welding the steel angles to the structure. This entails employing a welding process to fuse the angles to the existing steel framework, guaranteeing a robust and secure connection. Welding is often the preferred method in situations where the angles bear heavy loads or require additional strength. Concrete or masonry may also be employed to support steel angles in certain cases. This method involves embedding the angles into the concrete or masonry structure, creating a solid and stable foundation for the installation. Construction projects often utilize this technique when secure fixation to the building or additional reinforcement is necessary. Ultimately, the specific method of supporting steel angles during installation depends on the project's requirements, the necessary load-bearing capacity, and the design specifications. It is crucial to adhere to the appropriate industry standards and guidelines to ensure a safe and successful installation.

Q: What is the maximum length of a steel angle available in the market?: The market offers steel angles in varying lengths based on the supplier and the specific type of steel angle. Generally, lengths for steel angles range from 20 feet (6.1 meters) to 40 feet (12.2 meters). It is worth mentioning that these lengths are commonly found for standard steel angles, but there may be customized options that surpass these lengths for specific projects or applications. It is recommended to consult the supplier or manufacturer to ascertain the maximum length available for a particular steel angle.

Q: What are the different methods of surface preparation for steel angles?: To ensure proper adhesion of coatings, improve corrosion resistance, and enhance overall durability, there are various methods available for preparing the surface of steel angles. Some commonly used methods include the following: 1. Mechanical Cleaning: Physical tools like wire brushes, sandpaper, or abrasive discs are used to physically eliminate dirt, rust, mill scale, and other contaminants from the steel angle's surface. While this method is simple and cost-effective, it may not be effective for heavy corrosion or stubborn deposits. 2. Chemical Cleaning: Acid-based solutions or pickling pastes are applied to dissolve rust, scale, and other contaminants on the surface. After a specific period of time, the solution is rinsed off. Chemical cleaning is highly effective for removing stubborn deposits but requires careful handling and proper disposal of the chemicals. 3. Power Tool Cleaning: Power tools such as grinders, sanders, or needle guns with abrasive attachments are utilized to remove rust, scale, and contaminants. This method is faster and more efficient than manual mechanical cleaning, making it suitable for large-scale surface preparation. 4. Blast Cleaning: Also known as abrasive blasting, this method involves projecting abrasive materials (e.g., sand, steel grit, or glass beads) onto the steel surface at high velocity using compressed air or centrifugal force. Blast cleaning effectively removes rust, scale, and contaminants, resulting in a clean and profiled surface. While widely used in industrial applications, it requires proper safety measures to protect workers from exposure to abrasive materials. 5. Flame Cleaning: By directing a high-temperature flame onto the steel surface, flame cleaning removes contaminants. The intense heat burns off organic materials and evaporates moisture, leaving a clean surface. This method is particularly effective for removing oil, grease, and paint residues. 6. Conversion Coating: A chemical solution is applied to the steel surface, reacting with the metal to form a thin protective layer. This layer enhances the adhesion of subsequent coatings and provides additional corrosion resistance. Phosphating, chromating, and passivation are common types of conversion coatings. It's important to consider factors such as the extent of corrosion, desired coating system, and environmental conditions when selecting the most suitable surface preparation method for steel angles. Consulting experts or referring to industry standards can assist in determining the appropriate method for a specific application.

Q: How do you calculate the weight of a steel angle?: In order to determine the weight of a steel angle, one must have knowledge of its dimensions and the density of steel. The weight of an object can be determined by using the equation: Weight = Volume × Density For a steel angle, the volume can be obtained by multiplying the cross-sectional area of the angle by its length. The cross-sectional area of the angle can be calculated by multiplying its width by its height. Once the volume is determined, it can be multiplied by the density of steel to find the weight. Let's consider an example where a steel angle has a width of 3 inches, a height of 3 inches, and a length of 6 feet. The density of steel is typically around 7850 kg/m³ or 0.2836 lb/in³. To begin, calculate the cross-sectional area: Area = width × height Area = 3 in × 3 in Area = 9 in² Next, compute the volume: Volume = Area × length Volume = 9 in² × 6 ft × 12 in/ft Volume = 648 in³ Finally, determine the weight: Weight = Volume × Density Weight = 648 in³ × 0.2836 lb/in³ Weight = 183.9828 lb Hence, the weight of the steel angle would be approximately 183.98 pounds.

Q: What are the common defects or issues found in steel angles?: There are several common defects or issues that can be found in steel angles, which can affect their structural integrity and performance. Here are some of the most frequently encountered: 1. Surface imperfections: Steel angles may have surface defects such as scratches, pits, or uneven coating. While these may not significantly affect the strength of the angle, they can impact its visual appearance and corrosion resistance. 2. Warping: Warping refers to the distortion or bending of the steel angle along its length. This defect can occur during the manufacturing process or due to improper handling or storage. Warped angles may not fit properly in applications where precise dimensions are required. 3. Flaws in dimensions: Steel angles should be manufactured to specific dimensions and tolerances. However, defects like undersized or oversized legs, unequal leg lengths, or inconsistent thickness can occur. These flaws can lead to problems during installation or compromise the structural integrity of the angle. 4. Lack of straightness: Steel angles should be straight along their length to ensure proper alignment and load distribution. However, they can sometimes exhibit a lack of straightness, commonly known as bowing or crooking. This defect can make it challenging to align angles accurately and may result in uneven stress distribution. 5. Internal cracks: Cracks within the steel angle are a significant concern as they can compromise its strength and load-bearing capacity. These cracks can occur during manufacturing due to improper cooling or quenching processes, or they can be a result of excessive stress or corrosion. Internal cracks are often not visible to the naked eye, making it crucial to perform non-destructive testing methods like ultrasound or magnetic particle inspection. 6. Corrosion: Steel angles are susceptible to corrosion, especially in environments with high humidity, moisture, or exposure to chemicals. Corrosion can weaken the structure and affect the angle's overall performance. Regular maintenance and proper coating or protective measures are necessary to prevent or minimize corrosion-related defects. It is essential to identify and address these defects or issues promptly to ensure the safety and reliability of steel angles in various applications, from construction and infrastructure to manufacturing and fabrication. Regular quality checks, adherence to industry standards, and appropriate maintenance practices can help mitigate these problems and ensure the longevity of steel angles.

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