Angle steel GB Q235B 20-250MM hot rolled

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

Angle steel GB Q235B 20-250MM hot rolled

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 1000000 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: What are the welding techniques used for steel angles?: Different welding techniques can be used for steel angles, depending on the specific application and desired result. Some commonly used techniques include: 1. Stick welding, also known as Shielded Metal Arc Welding (SMAW), involves using a consumable electrode coated in flux. It is versatile, cost-effective, and suitable for various thicknesses of steel angles. 2. Gas Metal Arc Welding (GMAW), also known as MIG (Metal Inert Gas) welding, utilizes a welding gun to feed a wire electrode. The wire melts and joins with the base metal, while an inert gas shield protects the weld from contamination. GMAW is commonly used for thin to medium thickness steel angles. 3. Flux-Cored Arc Welding (FCAW) is similar to GMAW, but the wire electrode is filled with flux, eliminating the need for external shielding gas. FCAW is suitable for both indoor and outdoor applications and is known for its high deposition rates. 4. Tungsten Inert Gas Welding (GTAW), also known as Gas Tungsten Arc Welding (GTAW), involves using a non-consumable tungsten electrode and a separate filler metal if necessary. This technique produces precise, high-quality welds and is commonly used for thinner steel angles or when precise control is required. 5. Submerged Arc Welding (SAW) uses a continuously fed wire electrode submerged in a granular flux. The flux acts as a protective layer, preventing contamination and enhancing weld quality. SAW is commonly used for thicker steel angles or when high deposition rates are needed. When selecting the appropriate welding technique, it is important to consider factors such as the thickness of the steel angles, the welding environment, and the desired quality and strength of the weld. Consulting with a professional welder or engineer can help determine the best technique for a specific application.

Q: What is the minimum thickness for a steel angle beam?: The minimum thickness for a steel angle beam depends on various factors such as the load it needs to support, the length of the beam, and the specific steel grade being used. Generally, the minimum thickness for a steel angle beam is determined by structural engineers or professionals in the field, who consider the specific application and design requirements. Steel angle beams are commonly used in construction, framing, and other structural applications. They are designed to provide support and stability, particularly in load-bearing situations. The thickness of the steel angle beam is crucial to ensure its strength and ability to bear the intended load without deformation or failure. To determine the minimum thickness, engineers consider factors such as the maximum load that the beam will experience, the length of the beam, the material properties of the steel being used, and the safety factor required for the application. They use mathematical calculations and structural analysis to determine the appropriate thickness that will meet the necessary structural requirements. It is important to note that there are specific industry standards and building codes that must be followed when designing and constructing steel angle beams. These standards provide guidelines and requirements for minimum thickness, as well as other aspects such as tolerances, dimensions, and connection details. Therefore, it is always recommended to consult with a qualified structural engineer or professional in the field to determine the minimum thickness for a steel angle beam based on the specific requirements of the project. They will consider all relevant factors and ensure that the beam is designed and constructed to provide the necessary strength and safety.

Q: Can steel angles be used in framing?: Yes, steel angles can be used in framing. Steel angles are commonly used in construction for structural support and reinforcement. They are versatile and can be easily welded, bolted, or screwed together to create frames for various applications. Steel angles provide strength and stability to the structure and can be used in framing walls, ceilings, floors, and other structural components. Additionally, steel angles are available in different sizes and thicknesses, allowing for flexibility in design and construction. Overall, steel angles are a popular choice in framing due to their durability, versatility, and structural properties.

Q: What is the maximum cantilever length for a steel angle?: Various factors, such as material strength, angle dimensions, and load requirements, influence the maximum cantilever length for a steel angle. Steel angles, commonly used as structural elements in construction, can be customized to accommodate different loads based on their size and configuration. In general, the ability of a steel angle to resist bending moments and deflection determines its maximum cantilever length. Bending moments occur when a load is applied to the free end of the cantilever, resulting in angle bending. Deflection refers to the degree of bending or sagging experienced under a specific load. Engineers rely on the moment of inertia, which measures the angle's resistance to bending, and the yield strength of the steel to establish the maximum cantilever length. The moment of inertia is impacted by the angle's dimensions, including flange width, flange thickness, and leg length. To ensure safety and compliance, it is crucial to adhere to project-specific design codes and standards. These guidelines outline the maximum allowable bending stress and deflection limits for steel angles under different loading conditions. To summarize, the maximum cantilever length for a steel angle is determined by factors such as material strength, dimensions, and load requirements. Calculation of the moment of inertia, consideration of yield strength, and compliance with relevant design codes and standards are essential steps in determining this length.

Q: Can steel angles be used for mezzanine floors?: Indeed, mezzanine floors can be constructed using steel angles. In construction, steel angles are widely employed as structural elements, particularly for mezzanine floors. They offer stability and support to the framework, enabling the expansion of floor space. With their robustness and durability, steel angles are ideal for bearing substantial loads and guaranteeing the security of the mezzanine floor. Furthermore, the fabrication and installation of steel angles are effortless, rendering them a cost-efficient option for the construction of mezzanine floors.

Q: What are the different types of steel angles used in bridges?: There are several different types of steel angles that are commonly used in bridges for various purposes. These include: 1. Equal Leg Angles: These angles have equal legs and are commonly used for structural support in bridge construction. They provide stability and strength to the bridge structure. 2. Unequal Leg Angles: As the name suggests, these angles have unequal legs and are used in situations where additional strength or specific load-bearing requirements are necessary. They are often used in combination with equal leg angles to provide support and distribute weight evenly. 3. L-Shaped Angles: L-shaped angles are used for various purposes in bridge construction, such as connecting beams and columns or providing additional support at connection points. They are often used in combination with other types of angles to create a sturdy and well-supported bridge structure. 4. Tapered Angles: Tapered angles are used in bridges where a change in width or height is required. These angles are often used in bridge piers or abutments to provide a smooth transition between different sections of the bridge. 5. Bent Angles: Bent angles are used in bridges where a specific angle is required to accommodate the design or alignment of the bridge. These angles are often custom-made to fit the specific needs of the bridge construction project. 6. Hollow Structural Section (HSS) Angles: HSS angles are hollow steel sections that are used in bridge construction to provide additional strength and reduce the weight of the structure. These angles are commonly used in situations where weight reduction is a priority, such as in long-span bridges or bridges with high load-bearing requirements. Each of these steel angles serves a specific purpose in bridge construction, and their selection depends on factors such as the design requirements, load-bearing capacity, and structural stability needed for the bridge.

Q: Double angle steel rod in the corners of the roof steel why need to set the plate?: A rod is a member of a much larger dimension than a horizontal (vertical) direction. The beams, columns and other components in the building are generally abstracted as rods. The shape and size of the rod can be described by two major geometric elements, the cross section and the axis of the rod. A cross section is a vertical section perpendicular to the length of the bar, and the axis is the center of each cross section. The cross section and the axis of the rod are perpendicular to each other. A rod with the same axis and straight line and cross section is called a straight rod with equal section. Building mechanics and mechanics of materials are mainly concerned with equal section straight bars. The bar whose cross section changes along the axis is called a cross section bar.

Q: Are steel angles resistant to vibrations?: Yes, steel angles are generally resistant to vibrations due to their rigid and sturdy structure. The inherent strength and stability of steel make it a suitable material for withstanding vibrations caused by various sources.

Q: How do steel angles perform in saltwater environments?: Steel angles perform well in saltwater environments due to their high corrosion resistance. The addition of alloying elements, such as chromium and nickel, in the steel composition enhances its resistance to corrosion caused by saltwater exposure. These alloying elements create a protective oxide layer on the surface of the steel, preventing direct contact between the steel and the corrosive saltwater. Additionally, steel angles can be further protected with coatings or galvanization, which provide an additional barrier against saltwater corrosion. Overall, steel angles are a durable and reliable choice for applications in saltwater environments, as they can withstand the harsh conditions and maintain their structural integrity over time.

Q: Can steel angles be used for building frames?: Indeed, the utilization of steel angles is feasible when constructing frames. In the realm of construction, steel angles are frequently employed for framing purposes owing to their robustness and adaptability. They are commonly utilized in the formation of the structural skeleton of edifices, such as the construction of walls, floors, and roofs. Steel angles furnish stability and support to the overall structure and can be effortlessly welded or bolted together to fabricate a sturdy and enduring frame. Moreover, steel angles are obtainable in a variety of sizes and thicknesses, allowing for customization and adaptation to diverse building requisites. All in all, steel angles are a favored option for constructing frames due to their strength, versatility, and user-friendly nature.

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