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: What are the standard specifications for steel angles?: Various organizations, such as ASTM and ISO, define the standard specifications for steel angles. These specifications guarantee that steel angles fulfill specific quality and dimensional criteria. ASTM A36 is one of the frequently utilized specifications for steel angles, which encompasses carbon structural steel shapes. According to this specification, steel angles must possess a minimum yield strength of 36,000 psi and a minimum tensile strength ranging from 58,000 to 80,000 psi. The dimensions of the angles are specified in terms of leg length, thickness, and angle size, which can vary from 1/2 inch to 8 inches. Another widely employed specification is ASTM A572, which includes high-strength low-alloy structural steel shapes. Steel angles under this specification need to have a minimum yield strength of 50,000 psi and a minimum tensile strength ranging from 65,000 to 80,000 psi. The dimensions of the angles are similar to those described in ASTM A36. ISO also provides standards for steel angles, such as ISO 657-1 and ISO 657-5. These standards define the dimensions, tolerances, and technical requirements for hot-rolled steel angles. ISO 657-1 pertains to general purpose angles, while ISO 657-5 is concerned with unequal leg angles. Furthermore, steel angles may be subject to specific requirements based on their intended application or industry. For instance, angles used in construction or engineering projects may need to adhere to additional specifications outlined by local building codes or design guidelines. To ensure that steel angles satisfy the necessary requirements for a particular application, it is crucial to consult the relevant standards and specifications. These standards play a vital role in guaranteeing the quality, strength, and dimensional accuracy of the angles.

Q: How do you calculate the maximum allowable deflection for a steel angle beam?: The maximum allowable deflection for a steel angle beam can be calculated using the formula for deflection in beams, which is based on the beam's length, material properties, and the applied load. The calculation involves determining the moment of inertia of the beam, the modulus of elasticity of the steel, and the applied load. By plugging these values into the formula, the maximum allowable deflection can be determined.

Q: Can steel angles be welded together?: Yes, steel angles can be welded together. Welding is a common method used to join steel angles, as well as other steel components, in various industries. This process involves melting the base metals to be joined and adding a filler material to create a strong and permanent bond. Welding angles together allows for the creation of structural connections, support frames, and other applications where a strong and durable joint is required. Welding techniques such as MIG (Metal Inert Gas) welding, TIG (Tungsten Inert Gas) welding, or stick welding can be used depending on the specific requirements of the project. It is important to follow proper welding procedures, including selecting appropriate welding techniques, using the correct welding consumables, and ensuring proper preparation and alignment of the steel angles, to achieve successful and reliable welded joints.

Q: Are steel angles subject to deformation?: Indeed, steel angles can undergo deformation. Although steel is known for its strength and durability, it is not impervious to the forces that can induce deformation. Factors like excessive loads, bending moments, temperature fluctuations, and flawed design or installation can all contribute to the deformation of steel angles. Consequently, these angles can bend, twist, or warp, resulting in an alteration of their initial shape. To mitigate or prevent deformation, engineers and designers can take into account several considerations, including the selection of the suitable steel grade, calculation of load capacities, and implementation of adequate support and bracing measures.

Q: Can steel angles be used for signposts?: Yes, steel angles can be used for signposts. They are commonly used in construction and are known for their strength and durability, making them suitable for supporting signs.

Q: Can steel angles be used in the construction of religious institutions?: Yes, steel angles can be used in the construction of religious institutions. Steel angles are commonly used in construction projects due to their strength, versatility, and durability. They provide structural support and can be used in various applications such as framing, roofing, and reinforcing. In the construction of religious institutions, steel angles can be used to create framework for walls, roofs, and floors, as well as to support architectural features such as domes or spires. Additionally, steel angles can be easily fabricated and customized to fit specific design requirements. Overall, steel angles are a reliable and practical choice for constructing religious institutions, ensuring the strength and longevity of the building while allowing for architectural creativity and flexibility.

Q: How do you specify steel angles in a construction project?: When specifying steel angles in a construction project, one must consider their dimensions, grade, and any additional requirements. The dimensions are typically described as the length of each leg and the thickness of the material. For instance, a common specification may be "2-inch by 2-inch by 1/4-inch steel angle". The grade of the steel angle is also crucial to determine its strength and durability. Common grades include A36, A572, and A588. The selection of the grade depends on the project's structural requirements and environmental conditions. Apart from dimensions and grade, any additional requirements like corrosion resistance, fire resistance, or special finishes should be clearly stated. For example, if the steel angles will be exposed to outdoor elements, they might need to be hot-dip galvanized or coated with a protective paint. It is essential to refer to relevant codes and standards, such as the American Institute of Steel Construction (AISC) manual, for guidance on specifying steel angles in a construction project. These codes provide guidelines on allowable stress, design criteria, and other factors to ensure the safe and efficient use of steel angles in structural applications.

Q: What is the typical thickness tolerance for steel angles?: The typical thickness tolerance for steel angles can vary depending on the specific manufacturing standards and requirements. In general, the thickness tolerance for steel angles is typically within a range of +/- 0.005 to 0.010 inches (0.13 to 0.25 mm). However, it is important to note that this tolerance can also be influenced by the size and dimensions of the angle. Larger and thicker steel angles may have slightly looser tolerances compared to smaller and thinner angles. It is always recommended to consult the relevant industry standards or specifications to determine the specific thickness tolerance for a particular steel angle.

Q: How do steel angles perform in chemical industry applications?: Due to their exceptional performance in corrosive environments, steel angles are extensively utilized in the chemical industry. These angles, composed of high-strength steel, demonstrate outstanding resistance to chemicals, acids, and other corrosive substances commonly encountered in the chemical industry. In the chemical industry, various chemicals are frequently handled and processed, which can lead to the corrosion and degradation of structural materials. Steel angles, with their high resistance to corrosion, offer a dependable and long-lasting solution in such environments. Additionally, steel angles provide excellent load-bearing capacity and structural stability, making them ideal for supporting heavy equipment, tanks, and platforms in chemical plants. Their versatility permits the construction of diverse structures and equipment, ensuring the safe and efficient operation of chemical processes. Steel angles can be manufactured in various sizes and shapes, allowing for effortless customization to meet specific requirements. This adaptability renders them suitable for a wide array of applications such as piping systems, storage tanks, chemical reactors, and support structures. Furthermore, steel angles are cost-effective in addition to their corrosion resistance and structural strength. They have a lengthy lifespan, necessitate minimal maintenance, and can endure extreme temperatures, pressures, and chemical exposures. This durability and low maintenance requirement contribute to the reduction of downtime and overall operating costs in the chemical industry. In conclusion, steel angles exhibit exceptional performance in chemical industry applications by offering a combination of corrosion resistance, structural strength, versatility, and cost-effectiveness. Their ability to withstand harsh chemical environments makes them an indispensable component in the safe and efficient operation of chemical processes.

Q: How do you determine the required number of steel angles for a project?: Determining the required number of steel angles for a project involves considering several factors. Firstly, it is important to understand the design and specifications of the project. This includes the structural requirements, load-bearing capacities, and any specific angles or dimensions that need to be incorporated. Secondly, the dimensions of the steel angles need to be determined based on the intended use and structural requirements. This includes considering the length, width, and thickness of the angles that would be suitable for the project. Once the dimensions are established, the next step is to calculate the number of angles required. This can be done by carefully measuring and estimating the lengths of the steel angles needed in each area of the project. It is important to consider any potential waste or additional cuts that may be required during the installation process. In addition, it is recommended to consult with structural engineers or professionals experienced in steel fabrication to ensure accurate calculations and to confirm that the selected steel angles meet the necessary safety standards and building codes. Ultimately, determining the required number of steel angles for a project requires a combination of careful planning, accurate measurements, and professional expertise to ensure the project is structurally sound and meets all necessary requirements.

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