ANGLE

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Specifications of Angle Steel

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

2. Length: 6m, 9m, 12m as following table

3. Sizes

Angle Steel

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. 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

6.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 Angle Steel

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.

Packaging & Delivery of Angle Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: 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.

Production flow of Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: Can steel angles be used for door frames?: Yes, steel angles can be used for door frames. Steel angles are commonly used in construction for their strength and durability. They provide a solid and stable support for the door frame, ensuring its stability and longevity. Additionally, steel angles can be easily customized and cut to fit the required dimensions of the door frame. They are also resistant to warping, rotting, and termite damage, making them an ideal choice for door frames. Overall, steel angles offer a reliable and practical solution for door frame construction.

Q: Can steel angles be used for framing in modular construction?: Yes, steel angles can be used for framing in modular construction. Steel angles are commonly used for their structural strength and versatility, making them suitable for various framing applications in modular construction projects.

Q: What are the different connection methods for steel angles?: When it comes to connecting steel angles, there are several different methods available, each depending on the specific application and structural requirements. Some commonly used methods include: 1. Welding: Steel angles can be connected through welding, which involves melting the adjacent surfaces of the angles and fusing them together using a welding electrode. This method is known for providing high strength and rigidity, but it does require skilled labor and specialized equipment. 2. Bolting: Another frequently used method is bolting, where the angles are fastened together using bolts and nuts. This method offers the advantage of adjustability and ease of removal, making it suitable for situations where disassembly may be necessary. 3. Riveting: Riveting is a traditional method that involves inserting a metal rivet through holes in the angles and deforming the end to secure it in place. While this method provides a strong and permanent connection, it can be time-consuming and labor-intensive. 4. Adhesive bonding: A more modern approach is adhesive bonding, which involves applying a high-strength adhesive to the contact surfaces of the angles and then joining them together. This method is lightweight, flexible, and resistant to corrosion. 5. Mechanical fasteners: Various mechanical fasteners, such as self-tapping screws, self-drilling screws, and blind rivets, can be used to quickly and easily connect steel angles without the need for additional tools or equipment. When selecting the appropriate connection method for steel angles, it is crucial to consider factors such as load requirements, structural stability, corrosion resistance, and ease of installation.

Q: How do steel angles perform in terms of electrical conductivity?: Steel angles, being made of steel, typically have poor electrical conductivity. Steel is a poor conductor of electricity compared to materials like copper or aluminum. This is due to the high resistance of the steel material, which inhibits the flow of electrons. Therefore, steel angles are not commonly used for electrical applications that require good electrical conductivity. However, steel angles can still be used in certain electrical applications where conductivity is not a critical factor, such as providing structural support in electrical installations.

Q: What are the different methods of surface finishing for steel angles?: Some of the different methods of surface finishing for steel angles include painting, galvanizing, powder coating, and abrasive blasting.

Q: What are the load-bearing capacities of different steel angle sizes?: The load-bearing capacities of different steel angle sizes vary depending on several factors such as the material grade, the angle size, and the length of the angle. Generally, larger steel angle sizes have higher load-bearing capacities compared to smaller sizes. To determine the load-bearing capacity of a specific steel angle size, it is crucial to consider its moment of inertia, which is a measure of its resistance to bending. The moment of inertia increases with the size of the angle, resulting in higher load-bearing capacities. Additionally, the yield strength of the steel used in the angle also plays a significant role in determining its load-bearing capacity. Yield strength is the maximum stress that a material can withstand without permanent deformation. Steel angles with higher yield strength are capable of carrying heavier loads. It is important to consult engineering resources such as steel design manuals or structural engineers to obtain accurate load-bearing capacity information for different steel angle sizes. These resources provide tables and formulas that consider the specific dimensions and properties of the angle to calculate the maximum allowable load it can bear safely. In conclusion, the load-bearing capacities of different steel angle sizes depend on various factors including the angle size, material grade, and yield strength. Consulting reliable engineering resources is necessary to obtain accurate load-bearing capacity information for specific steel angle sizes.

Q: What are the common design codes or standards for steel angles?: There are several common design codes and standards that govern the use of steel angles in structural design. These codes and standards ensure that the angles are designed and manufactured to meet certain safety and performance criteria. One of the most widely used design codes for steel angles is the American Institute of Steel Construction (AISC) Manual of Steel Construction. The AISC provides comprehensive guidelines and specifications for the design, fabrication, and erection of steel structures, including angles. This manual includes detailed information on the design strength, allowable stress levels, and geometric properties of angles. In addition to the AISC Manual, other design codes and standards may also be applicable depending on the specific project and location. These include international standards such as the Eurocode, British Standards (BS), and Australian Standards (AS). Each of these standards may have slightly different requirements for the design and use of steel angles, so it is important to consult the appropriate standard for the specific project. Furthermore, the American Society for Testing and Materials (ASTM) has established standards for the physical and mechanical properties of steel angles. These standards ensure that the angles meet certain quality and performance requirements. The most commonly used ASTM standard for steel angles is ASTM A36, which specifies the general requirements for carbon structural steel. Overall, the common design codes and standards for steel angles provide guidance on factors such as load capacity, strength, and safety considerations. Adhering to these codes and standards ensures that steel angles are designed and used in a manner that promotes structural integrity and reliability.

Q: What are the different types of steel angles used in shipbuilding?: In shipbuilding, there are several types of steel angles that are commonly used for various structural purposes. These angles are typically made from high-strength steel and are designed to provide strength and stability to the ship's structure. Here are some of the different types of steel angles used in shipbuilding: 1. Bulb Angles: These angles are specifically designed for use in the construction of ship hulls. They have a bulbous shape on one side, which helps in distributing the load and providing additional strength and stability to the hull structure. 2. L-Shaped Angles: L-shaped angles, also known as unequal angles, are widely used in shipbuilding for framing and bracing purposes. These angles have one leg longer than the other, allowing them to be used in various applications where different lengths are required. 3. Equal Angles: Equal angles, also known as L-sections, have two legs of equal length and are commonly used in shipbuilding for framing and supporting structures. They provide uniform strength and can be used in a variety of applications, including bulkhead framing and deck support. 4. Flat Bars: Although not technically angles, flat bars are often used in shipbuilding for similar purposes. These bars have a rectangular cross-section and are typically used for reinforcement, framing, and connecting various structural components. 5. T-Sections: T-sections, also known as T-angles, have a T-shaped cross-section and are commonly used in shipbuilding for structural framing, reinforcement, and connecting different components. The vertical leg of the T-section provides additional strength and stability to the structure. 6. Z-Sections: Z-sections, also known as Z-angles, have a Z-shaped cross-section and are used in shipbuilding for various purposes, such as framing, bracing, and supporting structures. These angles offer excellent load-bearing capacity and are often used in applications where maximum strength is required. Overall, the choice of steel angles in shipbuilding depends on the specific requirements of the structure, including the load-bearing capacity, structural design, and intended use. The aforementioned types of steel angles provide a wide range of options to meet the diverse needs of ship construction.

Q: Can steel angles be used for underground or subterranean structures?: Yes, steel angles can be used for underground or subterranean structures. Steel angles provide excellent structural support and can withstand the high pressure and load-bearing requirements typically associated with underground or subterranean construction. They offer durability, strength, and flexibility, making them suitable for various applications in such environments.

Q: Can steel angles be used in bridges or elevated walkways?: Yes, steel angles can be used in bridges or elevated walkways. Steel angles are commonly used in construction projects to provide structural support and stability. They can be effectively employed in bridge and walkway designs to enhance structural integrity and load-bearing capacity.

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