Angle steel GB Q235B 20-250MM high quality hot rolled

Angle steel GB Q235B 20-250MM high quality hot rolled System 1

Angle steel GB Q235B 20-250MM high quality hot rolled

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 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

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 architectural detailing?: Yes, steel angles can be used for architectural detailing. They are commonly used in architectural designs to provide structural support, add aesthetic elements, and create interesting visual effects. Steel angles offer versatility in terms of design possibilities and can be used for various applications such as framing, cladding, and decorative accents in architectural projects.

Q: Can steel angles be used as lintels?: Yes, steel angles can be used as lintels. Lintels are structural elements that provide support over openings such as doors and windows, and steel angles are commonly used due to their strength and load-bearing capabilities. They can effectively distribute the load of the structure above the opening and ensure the stability and integrity of the building.

Q: What are the different dimensions used to specify steel angles?: The different dimensions used to specify steel angles depend on the specific standards and systems followed by different countries or industries. However, there are some common dimensions that are generally used to specify steel angles. 1. Leg Length: The leg length of a steel angle refers to the length of each of the two equal legs that form the angle. This dimension is typically measured from the inside of the angle and is denoted in millimeters or inches. 2. Thickness: The thickness of a steel angle is the measurement of the material's thickness from one side to the other. It is usually expressed in millimeters or inches. 3. Weight per Meter or Foot: The weight per meter or foot is an important dimension used to specify steel angles. It represents the weight of the angle per unit length and is calculated by multiplying the cross-sectional area of the angle by the density of the steel. The weight is commonly given in kilograms per meter (kg/m) or pounds per foot (lb/ft). 4. Cross-Sectional Area: The cross-sectional area is the total area of the steel angle's cross-section. It is calculated by multiplying the leg length and the thickness of the angle. The cross-sectional area is typically expressed in square millimeters or square inches. 5. Moment of Inertia: The moment of inertia is a measure of the resistance of the steel angle to bending. It is calculated based on the shape and dimensions of the angle's cross-section. The moment of inertia is commonly denoted as Ixx or Iyy and is expressed in millimeters to the fourth power or inches to the fourth power. 6. Radius of Fillet: The radius of fillet refers to the rounded corner between the legs of the steel angle. It is measured from the inside of the angle and is typically expressed in millimeters or inches. These dimensions are crucial in specifying steel angles as they provide important information about the size, weight, strength, and structural properties of the angles. They help engineers, architects, and manufacturers choose the appropriate steel angles for various applications, such as construction, infrastructure, machinery, and fabrication.

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: Can steel angles be used in HVAC ductwork installations?: Indeed, steel angles have the capability to be utilized in HVAC ductwork installations. In the realm of ductwork systems, steel angles are frequently employed to furnish the necessary support and stability. Their typical function involves acting as brackets or supports, securing the ducts firmly in position and preventing undesirable sagging or collapsing caused by the weight of the air conditioning or heating equipment. Given their robustness and durability, steel angles are well suited to withstand the forces and vibrations inherent in HVAC systems. Moreover, the ease with which steel angles can be welded or bolted together allows for a secure and stable installation. To summarize, steel angles are an exceedingly reliable and widely utilized element in HVAC ductwork installations.

Q: What are the common corrosion protection methods for steel angles?: Common corrosion protection methods for steel angles include applying protective coatings such as paint or zinc coatings, using corrosion inhibitors, electroplating, hot-dip galvanizing, and powder coating. These methods help to prevent or slow down the corrosion process and extend the lifespan of the steel angles.

Q: What are the cost considerations for using steel angles?: When using steel angles, there are several factors to keep in mind regarding costs. Firstly, the price of the steel material itself can vary depending on the grade and quality. Higher-grade steel angles tend to be pricier but offer better strength and durability. The overall cost is also influenced by the length and size of the steel angles. Longer and larger angles generally come at a higher price due to the increased amount of steel needed. It is important to carefully assess the required dimensions to avoid unnecessary expenses. Another cost consideration is the fabrication and finishing of the steel angles. Custom fabrication or special finishing techniques like welding, cutting, or painting can add to the total cost. It is crucial to take these additional expenses into account when budgeting for the use of steel angles. Transportation costs should not be overlooked either. Steel angles are heavy and bulky, which can result in higher shipping expenses, especially for long distances. It is essential to factor in these costs, especially for projects that require a significant quantity of steel angles. Lastly, it is important to consider the long-term costs associated with steel angles. While steel is durable and long-lasting, it may require maintenance or protective coatings to prevent corrosion over time. These maintenance costs should be included in the overall budget to ensure the longevity and reliability of the steel angles. In summary, the cost considerations for using steel angles include the price of the steel material, the dimensions and size of the angles, fabrication and finishing processes, transportation expenses, and long-term maintenance costs. Evaluating and planning for these factors will help ensure a cost-effective and successful use of steel angles in various applications.

Q: How do steel angles contribute to the sustainability of a city?: Steel angles contribute to the sustainability of a city in various ways. Firstly, they are commonly used in construction, providing structural support and stability to buildings and infrastructure. Due to their high strength-to-weight ratio, steel angles require less material and resources compared to other building materials, reducing the overall environmental impact of construction. Additionally, steel angles are highly durable, corrosion-resistant, and have a long lifespan, reducing the need for frequent replacements or repairs, thus minimizing waste generation. Moreover, steel is a recyclable material, and steel angles can be easily recycled and repurposed, decreasing the demand for new steel production and conserving natural resources. Therefore, the use of steel angles in construction promotes sustainable practices, contributes to the efficient use of resources, and helps create resilient and long-lasting cities.

Q: How are steel angles tested for quality and strength?: Steel angles are tested for quality and strength through various methods, including visual inspection, measurement of dimensions, and mechanical testing. Visual inspection involves checking for any visible defects or imperfections such as cracks, surface irregularities, or rust. Measurement of dimensions ensures that the angles meet the specified size and shape requirements. Mechanical testing involves subjecting the angles to forces or loads to determine their strength, such as tensile testing to measure their resistance to pulling or bending, and hardness testing to assess their resistance to indentation. These tests help ensure that steel angles meet the desired quality and strength standards.

Q: How do you prevent galvanic corrosion between steel angles and aluminum components?: To prevent galvanic corrosion between steel angles and aluminum components, there are several measures you can take: 1. Use a barrier: Apply a barrier between the steel and aluminum surfaces, such as a non-conductive coating or a layer of paint. This will create a physical barrier that prevents direct contact between the two metals, reducing the likelihood of galvanic corrosion. 2. Apply insulating tape or gaskets: Place insulating tape or gaskets made of non-conductive materials, such as rubber or plastic, between the steel angles and aluminum components. This acts as a buffer, preventing direct contact and minimizing the risk of galvanic corrosion. 3. Select compatible metals: When designing or choosing components, opt for metals that are more compatible with each other. For instance, using stainless steel or galvanized steel instead of regular steel can reduce the risk of galvanic corrosion when paired with aluminum. 4. Use isolation techniques: Isolate the steel angles and aluminum components using isolation techniques such as plastic or rubber spacers. These spacers separate the metals, preventing direct contact and minimizing the potential for galvanic corrosion. 5. Apply corrosion inhibitors: Apply corrosion inhibitors, such as special coatings or compounds, to the steel and aluminum surfaces. These inhibitors create a protective layer that helps prevent galvanic corrosion. 6. Control the environment: Galvanic corrosion is accelerated in the presence of moisture, saltwater, or acidic environments. Minimize the exposure of steel angles and aluminum components to these corrosive elements by ensuring proper ventilation, drainage, and maintaining appropriate protective coatings. It is important to carefully consider the specific requirements and conditions of your application when choosing the most appropriate method or combination of methods to prevent galvanic corrosion between steel angles and aluminum components. Consulting with corrosion experts or engineers can provide valuable insights and guidance tailored to your specific situation.

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