Angle steel hot rolled high qulity ASTM A36 GB Q235B

Angle steel hot rolled high qulity ASTM A36 GB Q235B System 1

Angle steel hot rolled high qulity ASTM A36 GB Q235B

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 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

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:Are steel angles resistant to pests or insects?: Steel angles are not resistant to pests or insects. Unlike certain materials, such as treated wood, steel does not naturally repel or discourage pests or insects. However, steel angles can still be an effective solution in preventing pest or insect damage when used in conjunction with other pest control measures. For example, sealing any gaps or openings around the steel angles can help prevent pests or insects from accessing the area. Additionally, regular inspections and maintenance can help identify and address any pest or insect issues before they become a major problem.

Q:What is the difference between hot-rolled and cold-rolled steel angles?: Two distinct methods, hot-rolling and cold-rolling, are employed in the production of steel angles, resulting in varying characteristics. Hot-rolling involves heating a steel billet or ingot to a high temperature and subsequently passing it through a series of rollers. This process allows for the metal to be shaped and formed while it retains its malleability and pliability. Consequently, hot-rolled steel angles possess a coarser surface finish and less precise dimensions when compared to their cold-rolled counterparts. However, their strength and durability are generally superior, rendering them appropriate for structural applications necessitating high strength and load-bearing capacity. Conversely, cold-rolling entails passing hot-rolled steel through a sequence of rollers at room temperature. This procedure not only refines the dimensions and surface finish of the steel angles but also enhances their strength and hardness. Cold-rolled angles exhibit a smoother surface finish and more accurate dimensions, making them ideal for applications requiring precise fitting or a polished appearance. They are commonly employed in architectural and decorative endeavors, as well as in industries where aesthetics and precision are paramount. To summarize, the primary disparities between hot-rolled and cold-rolled steel angles lie in their manufacturing processes, surface finishes, dimensional accuracy, and applications. Hot-rolled angles are stronger and rougher, rendering them suitable for structural purposes, whereas cold-rolled angles possess a smoother finish and precise dimensions, making them more appropriate for decorative and architectural applications.

Q:How do you calculate the torsional strength of a steel angle?: To calculate the torsional strength of a steel angle, several factors need to be taken into consideration. Firstly, it is important to determine the moment of inertia of the cross-section of the steel angle. This can be done by using the formula for the moment of inertia of a rectangular shape, which is (b * h^3)/12, where b is the base width and h is the height of the angle. Once the moment of inertia is determined, the maximum shear stress can be calculated using the formula T = (M * c)/I, where T is the torsional strength, M is the applied torque, c is the distance from the centroid of the angle to the outermost fiber, and I is the moment of inertia. The maximum allowable shear stress for the steel angle can be determined based on the material properties of the steel. This value can be obtained from engineering handbooks or specifications. Finally, the torsional strength of the steel angle can be calculated by multiplying the maximum allowable shear stress by the moment of inertia of the angle. It is important to note that this calculation assumes the steel angle is subjected to pure torsion without any bending or other external loads. If the angle is subjected to combined loads, more complex calculations may be required to determine the torsional strength.

Q:What are the different surface coating options for steel angles?: Some different surface coating options for steel angles include galvanization, powder coating, and painting.

Q:How many meters is one angle steel?: Standard Specification for hot-rolled equal angle iron is 2#-20#. The angle iron can be made up of different force components according to the different structure, and can also be used as the connecting piece between the components. Widely used in a variety of architectural and engineering structures, such as beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container frame and warehouse.

Q:What are the common welding techniques used for steel angles?: The common welding techniques used for steel angles include MIG (Metal Inert Gas) welding, TIG (Tungsten Inert Gas) welding, and stick welding (Shielded Metal Arc Welding - SMAW). MIG welding, also known as GMAW (Gas Metal Arc Welding), is a widely used technique that involves feeding a continuous wire electrode into the weld pool while an inert gas, such as argon or a mixture of argon and carbon dioxide, is used to shield the weld zone from atmospheric contamination. MIG welding is known for its ease of use, high welding speeds, and ability to handle thicker materials. TIG welding, also known as GTAW (Gas Tungsten Arc Welding), is a more precise welding technique that uses a non-consumable tungsten electrode to create the arc and a separate filler material if necessary. TIG welding provides excellent control over the weld pool and produces high-quality welds with minimal spatter. It is commonly used for thinner materials and applications that require a higher level of precision. Stick welding, also known as SMAW (Shielded Metal Arc Welding), is a versatile and widely used welding process. It involves striking an arc between a flux-coated electrode and the workpiece, creating a weld pool that is protected by the flux coating. Stick welding is known for its portability and ability to handle various materials and thicknesses. It is commonly used in construction, maintenance, and repair work. These welding techniques can be used for steel angles, which are often found in structural applications, such as frames, braces, and supports. The selection of the welding technique depends on factors such as the thickness of the steel angle, the required weld quality, and the specific application. It is important to consider the welding process, proper joint preparation, and welding parameters to ensure a strong and durable weld joint.

Q:How do steel angles contribute to the overall aesthetic of a structure?: Steel angles can contribute to the overall aesthetic of a structure in several ways. Firstly, their clean and sleek lines can add a modern and contemporary look to the design. The sharp edges and precise angles of steel angles can create a sense of strength and solidity, giving the structure a bold and industrial feel. Additionally, steel angles can be used to create interesting and dynamic shapes within the architecture. Their versatility allows for unique and eye-catching designs, such as cantilevered balconies or intricate lattice patterns. These visually appealing features can become focal points of the structure and enhance its overall aesthetic appeal. Moreover, steel angles can be used to create a sense of rhythm and repetition in the design. By incorporating them in a consistent pattern or arrangement, they can create a visual harmony and balance. This repetition can be particularly effective in large-scale structures, where the steel angles can help break up the monotony of the façade and add visual interest. Furthermore, steel angles can also contribute to the overall durability and longevity of the structure, which in turn enhances its aesthetic value. Steel is known for its strength and resilience, and when used in angles, it can provide structural support and stability. This durability can ensure that the structure remains visually appealing for years to come, without compromising on safety or integrity. Overall, steel angles play a significant role in the aesthetic of a structure, adding a sense of modernity, strength, and versatility. Their clean lines, dynamic shapes, and durability can all contribute to creating a visually appealing and impactful architectural design.

Q:What is the maximum temperature that steel angles can withstand?: The grade of steel utilized determines the maximum temperature that steel angles can tolerate. Typically, low carbon steel angles can endure temperatures of 600-700 degrees Celsius (1112-1292 degrees Fahrenheit) before their mechanical attributes start to decline. Nevertheless, higher carbon steels, stainless steels, or alloy steels have the capacity to withstand elevated temperatures, which may range from 800-1200 degrees Celsius (1472-2192 degrees Fahrenheit) or possibly even higher. It is crucial to refer to the specific material specifications or seek guidance from a materials engineer to ascertain the maximum temperature that a specific steel angle can withstand in a given application.

Q:Can steel angles be used in modular building systems?: Yes, steel angles can be used in modular building systems. Steel angles provide structural support and can be easily integrated into the modular construction process. They offer strength, durability, and flexibility, making them suitable for various applications in modular building systems.

Q:Can steel angles be used to create decorative elements in architecture?: Yes, steel angles can definitely be used to create decorative elements in architecture. These versatile structural components can be bent or shaped into various angles and forms, allowing architects and designers to incorporate them into the overall aesthetic of a building. From ornamental railings and window frames to decorative beams and columns, steel angles offer both strength and design possibilities, making them an ideal choice for decorative elements in architecture.

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