Angle Steel

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25mtons m.t.

Supply Capability:: 80000-100000MTS/YEAR m.t./month

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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

Angle Steel

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.

Q:How do you determine the required thickness of a steel angle for a specific application?: To determine the required thickness of a steel angle for a specific application, several factors need to be considered. Firstly, it is essential to determine the load or weight that the steel angle will be subjected to. This includes both the dead load (the weight of the steel angle itself) as well as any live loads (external forces or loads applied to the angle). Next, the span or distance between supports needs to be determined. The greater the span, the higher the bending moment and deflection that the steel angle will experience. Once the load and span are known, it is necessary to calculate the maximum allowable stress or bending moment that the steel angle can withstand. This is typically done using engineering formulas or structural analysis software. The maximum allowable stress is determined based on the steel's yield strength and safety factors. Using the maximum allowable stress and the bending moment, the required section modulus of the steel angle can be calculated. The section modulus is a measure of the angle's resistance to bending and is directly related to its thickness. Finally, the required thickness of the steel angle can be determined by selecting a standard angle size that has a section modulus equal to or greater than the calculated value. It is crucial to note that other considerations, such as corrosion protection, fire resistance, and aesthetics, may also influence the selection of the steel angle thickness. Therefore, consulting structural engineers or following relevant building codes and standards is highly recommended to ensure the safety and performance of the steel angle in a specific application.

Q:How do steel angles resist corrosion?: Steel angles resist corrosion through the presence of a protective layer formed on their surface. This layer, known as a patina, is typically composed of iron oxide or iron hydroxide. It acts as a barrier, preventing direct contact between the steel and corrosive elements in the environment, such as moisture or chemicals. Additionally, steel angles can be galvanized or coated with anti-corrosive substances, offering further protection against corrosion.

Q:Can steel angles be used in solar panel mounting systems?: Yes, steel angles can be used in solar panel mounting systems. Steel angles are commonly used due to their strength and durability, providing a stable and secure base for solar panels. They can be easily adjusted and customized to fit various installation requirements, making them a popular choice in solar panel mounting systems.

Q:Can steel angles be used for framing or supporting exterior façade elements?: Steel angles have the capability to be utilized in framing or supporting exterior façade elements. In the construction industry, steel angles are frequently employed due to their robustness and endurance. They offer a steadfast and dependable support system for various architectural elements, particularly exterior façade elements. Steel angles can be employed to construct windows, doors, and other openings in the exterior walls. Furthermore, they can be utilized to enhance and sustain the weight of exterior cladding materials such as stone, glass, or metal panels. Steel angles exhibit versatility and can be effortlessly customized to suit the specific requirements of the project. They are often preferred in commercial and industrial buildings where structural stability is of utmost importance.

Q:How do you prevent steel angles from rusting?: There are several methods to prevent steel angles from rusting: 1. Protective Coatings: Applying a protective coating on the surface of steel angles is an effective way to prevent rust formation. Common coating options include paint, epoxy, enamel, and galvanized coatings. These coatings act as a barrier, preventing moisture and oxygen from reaching the steel surface, thus minimizing the chances of rusting. 2. Rust Inhibitors: Rust inhibitors are chemical compounds that can be applied to steel angles to prevent rust formation. These inhibitors work by either forming a protective layer on the steel surface or by actively inhibiting the corrosion process. Rust inhibitors can be applied as sprays, coatings, or even added to the steel during the manufacturing process. 3. Proper Storage and Handling: One of the simplest ways to prevent rust is to store and handle steel angles properly. This includes keeping them in a dry environment, preferably indoors or under a protective covering, to avoid exposure to moisture and humidity. Additionally, handling steel angles with clean, dry gloves can prevent the transfer of moisture from hands, which can accelerate the rusting process. 4. Regular Maintenance: Regular inspection and maintenance of steel angles can help identify and address any signs of rust formation at an early stage. Promptly addressing any rust spots by removing them with wire brushes or sandpaper and applying touch-up coatings can prevent further corrosion. 5. Dry Storage and Proper Ventilation: If steel angles are stored outdoors, it is crucial to ensure they are placed in a well-ventilated area to promote air circulation and prevent the accumulation of moisture. Furthermore, covering the angles with a waterproof tarp or plastic wrap can provide an additional layer of protection against rain, snow, and other weather elements. By implementing a combination of these preventive measures, steel angles can be safeguarded against rust formation, ensuring their longevity and structural integrity.

Q:Can steel angles be used as reinforcement in concrete slabs?: Concrete slabs can indeed benefit from the use of steel angles for reinforcement. These L-shaped structural steel components, commonly utilized in construction due to their durability and strength, can significantly enhance the load-bearing capacity of a concrete slab. Furthermore, they help prevent any potential cracks or structural failure. Specifically, steel angles provide added support and strength to the concrete, especially in areas where heavy loads or concentrated forces are anticipated. By incorporating steel angles as reinforcement, the concrete slab becomes more resistant to bending, tension, and shearing forces, resulting in a structurally sound slab that can withstand higher loads. It is crucial to ensure the proper design and placement of steel angles, following the guidelines and specifications provided by structural engineers, to guarantee the optimal reinforcement and performance of the concrete slab.

Q:Can steel angles be used for sign posts?: Certainly! Sign posts can indeed utilize steel angles. Due to their robustness and endurance, steel angles are frequently employed in construction. They can effectively offer the required support and stability for sign posts, particularly in regions prone to strong winds or heavy traffic. Moreover, the versatility of steel angles shines through as they can be effortlessly welded or bolted together, presenting an adaptable choice for sign post installation. Furthermore, their immunity to corrosion guarantees a lengthier lifespan, thereby diminishing expenses associated with maintenance and replacement.

Q:How do steel angles perform in terms of vibration resistance?: Steel angles generally have good vibration resistance due to their strong and rigid structure. The shape of a steel angle, with its L-shaped cross-section, provides additional strength and stability, making it highly resistant to vibrations. When used in construction or engineering applications, steel angles can effectively absorb and dampen vibrations, minimizing the risk of structural damage or failure. The stiffness and high tensile strength of steel angles allow them to withstand dynamic loads and vibrations caused by various factors such as wind, earthquakes, or machinery operations. They can effectively distribute and dissipate vibrational forces throughout their structure, preventing excessive movement or oscillation. This is particularly important in applications where stability and durability are crucial, such as in the construction of bridges, buildings, or industrial equipment. Additionally, steel angles can be designed and manufactured to meet specific vibration resistance requirements. By selecting appropriate steel grades and dimensions, engineers can optimize the performance of steel angles in terms of vibration resistance. They can also incorporate additional features like stiffeners or reinforcements to further enhance the vibration resistance of steel angle structures. Overall, steel angles have proven to be reliable and efficient in withstanding vibrations, making them a popular choice in various industries and applications where structural integrity is of utmost importance.

Q:What are the different methods for cleaning steel angles?: To effectively clean steel angles, one can employ various methods: 1. Mechanical Cleaning: By utilizing tools like wire brushes, sandpaper, or abrasive wheels, one can physically scrub away dirt, rust, or contaminants from the steel angles. This method is ideal for light cleaning and can be done manually or with the assistance of power tools. 2. Chemical Cleaning: Stubborn stains, rust, or corrosion on steel angles can be eliminated using chemicals. Acid-based cleaners, such as phosphoric acid or hydrochloric acid, are commonly employed for this purpose. It is crucial to handle these chemicals with care and follow the manufacturer's instructions to ensure safety and prevent any damage to the steel. 3. Electrolytic Cleaning: This method involves immersing the steel angles in an electrolyte solution and applying an electrical current. The electrical current causes the rust or contaminants to dissolve and separate from the surface. Electrolytic cleaning is particularly effective for heavily rusted steel angles, but specialized equipment may be required. 4. High-Pressure Water Cleaning: By utilizing high-pressure water jets, dirt, grime, and loose rust can be effectively removed from steel angles. This environmentally friendly method does not require the use of chemicals. However, it may not be as effective for stubborn stains or heavy corrosion. 5. Blasting: Blasting entails propelling abrasive particles, such as sand, grit, or beads, at high speeds onto the surface of the steel angles. This process aids in the removal of rust, paint, and other contaminants. It is commonly used for heavy-duty cleaning or surface preparation before painting or coating. Choosing the appropriate method depends on the level of contamination, the condition of the steel angles, and the desired outcome. In some instances, a combination of methods may be necessary to achieve optimal results.

GRAND is a well-known enterprise specilized in production and sales of angle steel. We are mainly producing the 40mm to 200mm equal angle steel and the annual production capacity is 1 million mtons. Our Angle steel is widely used in electric power tower, large-scale underground project, construction tower crane, bridge framework, etc.

1. Manufacturer Overview
Location	Hebei, China
Year Established	2003
Annual Output Value	Above US$ 500 Million
Main Markets	Southeast Asia; middle east; South Korea; Africa
Company Certifications	ISO 9001:2008

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin
Export Percentage	30%-45%
No.of Employees in Trade Department	11-20 People
Language Spoken:	English; Chinese
b)Factory Information
Factory Size:	Above 10,000 square meters
No. of Production Lines	2
Contract Manufacturing	OEM service offered
Product Price Range	high; average