ASTM STANDARD HIGH QUALITY HOT ROLLED ANGLE

ASTM STANDARD HIGH QUALITY HOT ROLLED ANGLE System 1

ASTM STANDARD HIGH QUALITY HOT ROLLED ANGLE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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Appearance: Black

Technique: Slitting hot rolled steel coil

Grade: Q235, Q195,A36 SS400 S235jr.St37-2

Standard: AISI,GB,DIN,ASTM,EN,JIS

Length: 6m, 9m, 12m or as your requirement.

Width: 10mm-1010mm

Thickness: 1.5mm-20mm

Business type: big manufacture

Place of origin: Tianjin China (Mainland)

Packaging Details: In bundles for exporting and sea worthy

Delivery Detail: Within 15-35 days after receiving L/C or deposite T/T

ASTM STANDARD HIGH QUALITY HOT ROLLED ANGLE

General specification as below:

Flat Bar Specification
Width (mm)	Thickness (mm)	Length (m)	Theoretical Weight (kg/m)
20	2.0	6/9/12	0.31
20	2.5	6/9/12	0.39
20	2.75	6/9/12	0.43
25	2.5	6/9/12	0.49
25	3.75	6/9/12	0.74
30	2.5	6/9/12	0.59
30	3.5	6/9/12	0.82
30	9.75	6/9/12	2.30
40	3.5	6/9/12	1.10
40	4.75	6/9/12	1.50
40	11.75	6/9/12	3.69
50	2.75	6/9/12	1.08
50	4.5	6/9/12	1.77
50	9.75	6/9/12	3.83
60	5.5	6/9/12	2.60
60	7.5	6/9/12	3.53
60	11.5	6/9/12	5.42
80	5.5	6/9/12	3.45
80	7.5	6/9/12	4.71
80	11.75	6/9/12	7.38
100	3.25	6/9/12	2.55
100	4.75	6/9/12	3.73
100	7.5	6/9/12	5.89
120	9.75	6/9/12	9.18
120	11.75	6/9/12	11.07
150	9.75	6/9/12	11.48
150	11.5	6/9/12	13.54
150	13.5	6/9/12	15.90
160	11.75	6/9/12	14.76
200	9.5	6/9/12	14.92
250	5.75	6/9/12	11.28
340	7.75	6/9/12	20.68

Products Advantages

1. high quality competitive price and Accurate in size

2. high dimensional accuracy

3. Guaranteed raw material

4.high utilization rate of material

5.convenient in construction, saving much time and labor

6. high mechanical strength

Application: Widely used for construction, Ship building, Machinery manufacturing ,steel structure,agriculture and steel grating.

Q: What are the different methods of surface protection for steel angles?: Steel angles can be protected using various methods, each with its own pros and cons. 1. Painting: A common approach is to apply a layer of paint, creating a barrier between the steel and its surroundings. Paint offers both aesthetic appeal and corrosion resistance. However, it may need regular maintenance and can chip or peel over time. 2. Galvanization: This involves coating the steel angle with a layer of zinc, which acts as a protective barrier against corrosion. Galvanization can be achieved through hot-dip or electro-galvanizing methods. Hot-dip galvanizing immerses the steel angle in molten zinc, while electro-galvanizing uses an electrical current to deposit zinc. Galvanized steel angles are highly rust-resistant and provide long-lasting protection. 3. Powder coating: This dry finishing process involves electrostatically applying a fine powder to the steel angle, which is then cured under heat to form a durable coating. Powder coating offers excellent protection against corrosion, impacts, UV rays, and chemicals. It also provides a wide range of color options and a smooth, attractive finish. However, it can be costlier and requires specialized equipment. 4. Epoxy coating: Epoxy coatings are made from epoxy resins and offer high resistance to chemicals, impacts, and abrasions. They provide a tough, glossy finish that can withstand harsh environments. Epoxy coatings are typically applied using a two-part system, mixing a resin and a hardener before application. While they offer excellent protection, they can be more expensive and time-consuming to apply. 5. Metal plating: This involves covering the steel angle with a layer of metal such as chrome, nickel, or zinc. Metal plating offers a decorative finish and protection against corrosion. Electroplating and electroless plating are the two methods used. Electroplating utilizes an electrical current to deposit a thin metal layer, while electroless plating achieves plating through a chemical reaction without requiring electricity. Metal plating enhances the appearance and durability of steel angles, but may be less effective in highly corrosive environments.

Q: What are the different types of connections used for steel angles in industrial applications?: In industrial applications, steel angles are commonly used for various structural purposes, and therefore, different types of connections are employed to ensure their stability and strength. Some of the different types of connections used for steel angles in industrial applications include: 1. Welded Connections: Welding is a widely used method to connect steel angles in industrial applications. It involves melting the edges of two steel angles together and allowing them to solidify, creating a permanent and strong connection. Welded connections provide excellent strength and durability, making them suitable for heavy-duty applications. 2. Bolted Connections: Bolted connections involve using bolts and nuts to secure steel angles together. Holes are typically drilled into the angles, and bolts are inserted through these holes and tightened using nuts. Bolted connections offer the advantage of being easily dismantled and modified, making them suitable for applications where frequent adjustments or repairs are necessary. 3. Riveted Connections: Riveting is a traditional method of connecting steel angles, although it is less commonly used in modern industrial applications. Riveted connections involve inserting a rivet through holes in the steel angles and then deforming the rivet to secure the angles together. Although riveted connections provide good strength, they are time-consuming and require specialized equipment. 4. Clip Connections: Clip connections involve using metal clips or brackets to connect steel angles. These clips are typically bolted or welded to the steel angles, providing a secure connection. Clip connections are often used in applications where quick and easy assembly and disassembly are required, such as temporary structures. 5. Gusset Plate Connections: Gusset plates are thin steel plates that are used to connect steel angles in industrial applications. These plates are typically bolted or welded to the steel angles, providing additional strength and stability. Gusset plate connections are commonly used in applications where higher loads or forces are expected. It is worth noting that the type of connection used for steel angles in industrial applications depends on various factors, including the load requirements, structural design, ease of assembly and disassembly, and the expected lifespan of the structure.

Q: How do you calculate the moment resistance of a steel angle?: To calculate the moment resistance of a steel angle, you need to consider the geometry and material properties of the angle. The moment resistance refers to the ability of the angle to withstand bending forces. First, you need to determine the section modulus, which is a measure of the shape's resistance to bending. The section modulus can be calculated by taking the moment of inertia of the angle (I) and dividing it by the distance from the centroid of the shape to the furthest point (c). Next, you need to determine the yield strength of the steel angle. This is the point at which the material starts to deform permanently. The yield strength is typically provided by the manufacturer or can be obtained from material testing. Finally, the moment resistance can be calculated by multiplying the section modulus (Z) by the yield strength (σ). This gives you the maximum moment the steel angle can resist before it starts to deform permanently. Moment Resistance = Z * σ It is important to note that this calculation assumes the steel angle is subjected to pure bending. If there are additional factors such as axial or shear forces, additional calculations or considerations may be required. Additionally, it is always recommended to consult relevant design codes or engineering handbooks for more accurate and detailed calculations.

Q: Can steel angles be used in the construction of theatres?: Yes, steel angles can be used in the construction of theatres. Steel angles are versatile structural components that can provide support and stability to various elements of a theatre, such as stage platforms, lighting rigs, and seating structures. They are commonly used in the construction industry due to their strength, durability, and ability to withstand heavy loads, making them suitable for theatre construction projects.

Q: How do steel angles perform in corrosive gas or liquid environments?: Steel angles are generally used in various structural applications due to their strength and versatility. However, their performance in corrosive gas or liquid environments can be affected by the specific grade of steel used and the concentration and nature of the corrosive substance. In the presence of corrosive gases or liquids, steel angles can experience corrosion, which can lead to a degradation of their structural integrity over time. The level of corrosion depends on factors such as the exposure time, temperature, humidity, and the corrosivity of the gas or liquid. To mitigate the effects of corrosion, steel angles used in corrosive environments can be coated with protective layers. Common protective coatings include galvanization, which involves applying a layer of zinc to the steel surface, or the use of epoxy or polyurethane coatings. These coatings act as a barrier, preventing direct contact between the corrosive substance and the steel, thereby slowing down the corrosion process. However, it is important to note that even with protective coatings, steel angles may still experience some level of corrosion over time. The extent of corrosion will depend on the quality and durability of the coating, as well as the maintenance and regular inspection of the steel angles. In extremely aggressive or highly concentrated corrosive environments, steel angles may not be the best choice. In such cases, alternative materials such as stainless steel or corrosion-resistant alloys may be more suitable options. In conclusion, while steel angles can be used in corrosive gas or liquid environments, their performance will be influenced by the specific conditions and the protective measures in place. Regular inspection, proper maintenance, and the use of appropriate coatings can help ensure the longevity and performance of steel angles in corrosive environments.

Q: How do steel angles perform in terms of durability and longevity?: Steel angles are renowned for their exceptional durability and longevity. Due to their composition, which includes a high percentage of iron and carbon, steel angles possess remarkable strength and resistance to various forms of wear and tear. They can withstand heavy loads, extreme temperatures, and exposure to corrosive elements, making them highly durable in a wide range of applications. In terms of longevity, steel angles have an impressive lifespan. They are designed to withstand the test of time and retain their structural integrity over extended periods. The inherent strength and resilience of steel angles ensure that they do not degrade easily, making them a reliable choice for long-term use. Furthermore, steel angles require minimal maintenance to preserve their durability and longevity. Regular inspections and cleaning can help prevent the buildup of rust and other forms of corrosion, ensuring that the angles remain in optimal condition throughout their lifespan. Moreover, steel angles can be galvanized or coated with protective layers to enhance their durability and resistance to environmental factors. Galvanization involves applying a layer of zinc to the steel surface, providing an additional barrier against rust and corrosion. Coatings such as epoxy or powder coatings can also be applied to further enhance the durability and longevity of steel angles in specific environments. Overall, steel angles are known for their exceptional durability and longevity. They offer a reliable and long-lasting solution for a variety of structural and construction needs, making them a popular choice in many industries.

Q: What is the typical length of a steel angle?: Steel angles can have varying lengths depending on their purpose and application. Generally, a steel angle is commonly found at a length of 20 feet or 6 meters. This standard length facilitates convenient handling, transportation, and installation in diverse construction and fabrication projects. Nevertheless, it is important to acknowledge that steel angles can be tailored or trimmed to shorter lengths in order to meet specific requirements or accommodate specific designs.

Q: Are steel angles suitable for outdoor staircases?: Yes, steel angles are suitable for outdoor staircases. Steel is known for its durability, strength, and resistance to weathering, making it an excellent choice for outdoor applications. Steel angles provide structural support and stability to staircases, ensuring they can withstand heavy loads and constant use. Additionally, steel angles can be coated or painted to provide further protection against rust and corrosion, prolonging their lifespan. Overall, using steel angles for outdoor staircases is a reliable and long-lasting solution.

Q: Can galvanized square tubes and angle iron be welded together?: Yes, if the requirement is not high, it can be welded directly. If the requirement is high, the zinc coating on the galvanized square pipe can be polished off before welding, and then welded. However, two kinds of welding methods, welding well, must be carried out at the weld corrosion. Now there is a special coating for hot-dip galvanizing on the market. It is characterized by high zinc content and 96% zinc content. It can provide similar anticorrosive effect to hot-dip galvanizing for repairing parts.

Q: Can steel angles be painted or coated?: Yes, steel angles can be painted or coated. Painting or coating steel angles helps to prevent corrosion and provides aesthetic appeal.

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