GB Q235 Angle Steel

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 10 m.t.

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

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Specifications of GB Q235 Angle Steel

1. Standards: GB,ASTM,BS,AISI,DIN,JIS

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

3. Material:Material: GB Q235B, Q345B or Equivalent; ASTM A36; EN 10025, S235JR, S355JR; JIS G3192, SS400;

SS540.

4. Sizes:

Equal Steel Angle

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. 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 GB Q235 Angle Steel

Trusses;

Transmission towers;

Telecommunication towers;

Bracing for general structures;

Stiffeners in structural use.

Packaging & Delivery of GB Q235 Angle Steel

1. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

2. With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.

3. Marks:

Color mark: 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.

angle steel

steel angle

Q:How do you calculate the axial compression capacity of a steel angle?: To calculate the axial compression capacity of a steel angle, you would need to consider several factors such as the dimensions and properties of the angle, the material properties, and the boundary conditions. The calculation typically involves determining the slenderness ratio, which is the ratio of the length of the angle to its thickness. This ratio helps determine whether the angle will fail in compression or buckling. The axial compression capacity can then be calculated using relevant design codes or formulas, taking into account factors such as the yield strength of the material and any additional considerations specific to the application.

Q:How are steel angles used in framing?: Steel angles are commonly used in framing to provide structural support and stability. They are typically used to connect and reinforce various components of a frame, such as beams, columns, and trusses. Steel angles are often bolted or welded at specific locations to create a rigid framework that can withstand loads and distribute them evenly. This helps ensure the overall strength and integrity of the framed structure.

Q:How do you calculate the second moment of area for a steel angle?: In order to determine the second moment of area for a steel angle, a step-by-step procedure must be followed. The following guidelines outline how this can be accomplished: 1. Initiate the process by sketching the cross-section of the steel angle on either paper or a CAD software platform. Ensure that all dimensions are accurately labeled. 2. Partition the angle into smaller geometric shapes, such as rectangles and triangles, as these are simpler to calculate the second moment of area for. 3. Compute the individual second moments of area for each geometric shape. The formula employed to determine the second moment of area, also known as the moment of inertia, varies depending on the shape. For rectangles, the formula is (b * h^3) / 12, where b represents the base and h denotes the height. For triangles, the formula is (b * h^3) / 36, with b and h representing the base and height respectively. Adjust the formulas accordingly based on the orientation and positioning of the shapes within the angle. 4. Sum up the individual second moments of area for all the shapes within the angle. If there are any openings or cutouts present, subtract their respective second moments of area from the total. 5. Once the second moments of area have been calculated for all the shapes and adjustments have been made for any cutouts, add them together to obtain the total second moment of area for the steel angle. It is important to emphasize that the second moment of area signifies the resistance of a cross-section to bending. This parameter is critical in structural analysis and design, as it aids in determining the strength and stability of a structural member under applied loads.

Q:How are steel angles measured and specified?: Steel angles are measured and specified based on their dimensions, which include the length of the legs and the thickness of the angle. This is typically provided in millimeters or inches. The dimensions are presented in a specific order, such as leg length × leg length × thickness. Additionally, the angle's weight per unit length or its cross-sectional area may also be specified to provide further information about its size and strength.

Q:Can steel angles be cut to custom lengths?: Yes, steel angles can be cut to custom lengths.

Q:What are the different types of steel angles used in scaffolding?: Scaffolding commonly utilizes various types of steel angles, each serving a specific purpose. These include: 1. Equal Angles: These steel angles possess equal sides and are frequently employed as a stable base or support within scaffolding structures. They contribute to the overall sturdiness and strength of the scaffolding system. 2. Unequal Angles: As the name implies, these steel angles have unequal sides. They prove useful when different lengths are required on each side, such as for creating diagonal bracing or connecting different parts of the scaffolding system. 3. L-Shaped Angles: This type of steel angle forms a 90-degree angle and is commonly utilized for constructing corners or connecting perpendicular scaffolding components. It provides essential structural support and stability to the scaffolding structure. 4. T-Shaped Angles: These steel angles take on a T-shape and are employed to connect two perpendicular scaffolding components. They offer stability and support to the scaffolding system. 5. Channel Angles: Featuring a U-shaped channel, this type of steel angle is frequently used as a top or bottom cross member in scaffolding structures. Its design facilitates easy attachment of scaffolding components, while bolstering the overall strength of the scaffolding system. These various steel angles present scaffolding structures with versatility and robustness, enabling diverse configurations and designs to suit the specific needs of each project.

Q:Can steel angles be used in staircases?: Steel angles are indeed suitable for use in staircases. Due to their strength and versatility, they are commonly employed as structural components in construction. In staircases, steel angles serve to offer support and stability to both the steps and handrails. They are frequently utilized as stringers, inclined structural members that uphold the treads and risers of the staircase. Moreover, steel angles can be utilized to reinforce the connections between the treads and risers, thereby ensuring the staircase's structural integrity. Furthermore, steel angles can function as handrails or balusters, providing a secure and long-lasting railing system. All in all, steel angles present a dependable and cost-effective solution for constructing staircases that can withstand heavy loads and meet the necessary safety standards.

Q:How do steel angles perform in terms of thermal conductivity?: Steel angles have relatively low thermal conductivity compared to other materials. This means that they are not as efficient in conducting heat as materials such as aluminum or copper. However, steel angles still have moderate thermal conductivity, which allows them to dissipate heat to some extent. This property can be advantageous in certain applications where heat transfer needs to be controlled or balanced. Overall, while steel angles may not have the highest thermal conductivity, they still offer sufficient performance for many structural and construction purposes.

Q:Can steel angles be painted or finished for decorative purposes?: Yes, steel angles can be painted or finished for decorative purposes. Steel angles, which are commonly used in construction and industrial applications, can be painted or finished to enhance their appearance and provide a decorative touch. Painting steel angles can help protect them from corrosion and rust while also allowing for customization to match the aesthetic requirements of the project. Additionally, finishes such as powder coating, electroplating, or galvanizing can be applied to steel angles to further enhance their appearance and durability. By painting or finishing steel angles, they can be seamlessly integrated into various architectural and design projects, making them both functional and visually appealing.

Q:What are the considerations for selecting the appropriate steel angle finish?: When selecting the appropriate steel angle finish, there are several considerations to keep in mind. Firstly, the intended use and environment of the steel angle should be considered. If the angle will be exposed to harsh weather conditions or corrosive substances, a finish with high resistance to corrosion, such as galvanized or stainless steel, would be suitable. Additionally, the aesthetic requirements of the project should be taken into account. Different finishes, such as powder coating or painted finishes, can provide a range of colors and textures to enhance the appearance of the steel angle. Finally, the budget and cost-effectiveness of the finish should be considered, as some finishes may be more expensive than others. Overall, it is important to select a steel angle finish that meets both the functional and aesthetic requirements of the project while being compatible with the intended environment.

ROYAL,a well-known enterprise specializing in the production and sales of equal angle and unequal angle. Annual production capacity 2,000,000 mtons. Since the establishment of our company, we aim to provide our customer satisfactory service and completely implementing ISO9001 quality management system.

1. Manufacturer Overview
Location	Tangshan, China
Year Established	1996
Annual Output Value	Above US$ 300 Million
Main Markets	Middle East; Korea; Southeast Aisa
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	70% - 80%
No.of Employees in Trade Department	21-30 People
Language Spoken:	English; Chinese;
b)Factory Information
Factory Size:	Above 900,000 square meters
No. of Production Lines	3
Contract Manufacturing	OEM Service Offered;
Product Price Range	Average