GB Q235B high quality angle steel 20-250MM

GB Q235B high quality angle steel 20-250MM System 1

GB Q235B high quality angle steel 20-250MM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Angle Steel Details:

Minimum Order Quantity:	25mtons	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Product Description:

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

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 in outdoor or exposed environments?: Yes, steel angles can be used in outdoor or exposed environments. Steel angles are often made of galvanized steel, which is coated with a protective layer of zinc to prevent rusting. This makes them highly resistant to corrosion and suitable for outdoor applications. Additionally, steel angles are known for their strength and durability, making them a reliable choice for various outdoor structures, such as fences, railings, and supports. However, it is important to note that regular maintenance and inspection may be required to ensure the ongoing integrity and performance of steel angles in outdoor or exposed environments.

Q: What are the different methods for cleaning steel angles?: There are several methods that can be used to clean steel angles effectively. 1. Mechanical Cleaning: This method involves using abrasive tools such as wire brushes, sandpaper, or abrasive wheels to physically scrub away dirt, rust, or other contaminants from the surface of the steel angles. This method is commonly used for light cleaning and can be done manually or with the help of power tools. 2. Chemical Cleaning: Chemicals can be used to remove stubborn stains, rust, or other types of corrosion from steel angles. Acid-based cleaners, such as phosphoric acid or hydrochloric acid, are often used for this purpose. However, it is important to handle these chemicals with caution and follow the manufacturer's instructions to ensure safety and prevent any damage to the steel. 3. Electrolytic Cleaning: This method involves the use of an electrolyte solution and an electrical current to remove rust and other contaminants from the steel angles. The steel angle is submerged in the electrolyte solution, and the electrical current is applied, causing the rust or contaminants to dissolve and separate from the surface. This method is effective for cleaning heavily rusted steel angles but may require specialized equipment. 4. High-Pressure Water Cleaning: Using high-pressure water jets can effectively remove dirt, grime, and loose rust from steel angles. This method is environmentally friendly and does not require the use of chemicals. However, it may not be as effective for removing stubborn stains or heavy corrosion. 5. Blasting: Blasting is a method that involves shooting abrasive particles, such as sand, grit, or beads, at high speeds onto the surface of the steel angles. This process helps to remove rust, paint, and other contaminants. It is commonly used for heavy-duty cleaning or surface preparation before painting or coating. It is important to choose the appropriate method based on the extent of contamination, the condition of the steel angles, and the desired outcome. In some cases, a combination of methods may be necessary to achieve the best results.

Q: Can steel angles be used for architectural purposes?: Yes, steel angles can be used for architectural purposes. They are commonly used in the construction industry for various architectural applications such as support brackets, frames, and reinforcements. Steel angles provide structural stability and can be easily customized and integrated into architectural designs to meet specific requirements.

Q: How do you calculate the moment of resistance for a steel angle?: The moment of resistance for a steel angle can be calculated by multiplying the yield strength of the material by the plastic section modulus of the angle. The plastic section modulus is determined by considering the extreme fiber locations and their corresponding distances from the centroid of the shape.

Q: How do steel angles contribute to the seismic resilience of a structure?: Steel angles play a vital role in bolstering a structure's ability to withstand seismic events. These angled steel components are commonly utilized in construction to reinforce strength and stability, particularly in areas prone to earthquakes. One manner in which steel angles contribute to the seismic resilience of a structure is by resisting lateral forces caused by seismic activity. During an earthquake, buildings face horizontal forces that can result in significant damage. Strategically placed steel angles within the structure help distribute and dissipate these forces, thereby reducing their impact on the overall building. By acting as braces or stiffeners, steel angles enhance structural integrity and prevent excessive deformation or collapse. Furthermore, steel angles are frequently employed in conjunction with other seismic design strategies like moment frames or shear walls. These elements work in tandem to create a robust and flexible structural system capable of withstanding the dynamic forces generated during an earthquake. Steel angles are typically integrated into these systems to provide additional reinforcement, thereby increasing overall strength and rigidity. In addition to their role in resisting lateral forces, steel angles also enhance a structure's seismic resilience by improving its load-carrying capacity. By more efficiently distributing loads, steel angles help reduce stress on individual components, preventing localized failures and ensuring overall stability. Moreover, steel angles possess excellent material properties, such as high tensile strength and toughness, making them highly durable. This durability enables them to withstand the dynamic loading and cyclic motions associated with earthquakes. Additionally, steel angles are resistant to corrosion, a crucial aspect for maintaining long-term structural integrity and overall performance during seismic events. In conclusion, steel angles are essential in enhancing a structure's ability to withstand seismic events. By resisting lateral forces, improving load-carrying capacity, and providing durability, they contribute to the stability and integrity of the building. Incorporating steel angles into the design and construction process is crucial for creating structures capable of withstanding seismic activities and ensuring the safety of occupants.

Q: What are the different surface finishes available for painted steel angles?: There are several different surface finishes available for painted steel angles, including matte, glossy, satin, and textured finishes. Each finish has its own unique characteristics and can be chosen based on the desired aesthetic and functional requirements of the application.

Q: What are the common design codes and standards for steel angles?: The most common design codes and standards for steel angles include the American Institute of Steel Construction (AISC) 360, the European Standard (EN) 10056, and the British Standard (BS) EN 10056. These codes and standards provide guidelines for the design, fabrication, and structural analysis of steel angles, ensuring the safety and reliability of structures that incorporate these structural elements.

Q: Can steel angles be used for stairs or handrails?: Indeed, stairs or handrails can make use of steel angles. In construction, steel angles are frequently employed due to their ability to offer structural support and stability. In the case of stairs, steel angles can be integrated as stringers or supports, guaranteeing the staircase's stability and strength. Similarly, for handrails, steel angles can be utilized as the primary frame or support structure, ensuring a robust and secure handrail for users. The incorporation of steel angles in stairs and handrails presents advantages such as durability, resistance to deterioration, and the capacity to withstand heavy loads, which contribute to their popularity in construction endeavors.

Q: How do steel angles perform in earthquake-prone regions?: Steel angles perform well in earthquake-prone regions due to their high strength and flexibility. They are commonly used in structural systems to resist lateral forces and provide stability during seismic events. The angular shape of the steel angles helps in distributing the seismic forces effectively, reducing the risk of structural failure. Additionally, steel's ductility allows it to bend without fracturing, further enhancing its performance in earthquake-prone areas.

Q: What is the weight of a steel angle?: The weight of a steel angle depends on its dimensions and density. To calculate the weight, one needs to know the length, width, and thickness of the steel angle. By multiplying the volume of the angle (length x width x thickness) by the density of steel, one can determine its weight. The density of steel is typically around 7.85 grams per cubic centimeter. Therefore, the weight of a steel angle can be calculated using the formula: weight = volume x density.

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