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What is C-beam
What is C-beam
2023-06-08
What is I-beam
What is I-beam
2023-06-12

Introduction of Structural Steel

Structural steel is a bar-shaped steel with a certain cross-sectional shape and size, and is one of the four major types of steel (plate, tube, profile, and wire). According to the shape of the section, structural steel is divided into simple section structural steel and complex section structural steel (special-shaped steel). The former refers to square steel, round steel, flat steel, angle steel, hexagonal steel, etc.; the latter refers to I-beam, channel steel, rail, window frame steel, curved section steel, etc..

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Structural steel(1)

Classification

According to the quality of steel smelting, section steel is divided into ordinary structural steel and high-quality section steel.

Ordinary section steel is divided into large section steel, medium structural steel and small structural steel according to the current metal product catalogue.

Ordinary section steel can be divided into I-beam, channel steel, angle steel, round steel and so on according to its cross-sectional shape.

Large-scale section steel: In large-scale section steel, I-beam, channel steel, angle steel, and flat steel are all hot-rolled, and round steel, square steel, and hexagonal steel are not only hot-rolled, but also forged and cold-drawn.

I-beam, channel steel, and angle steel are widely used in industrial buildings and metal structures, such as factory buildings, bridges, ships, agricultural machinery and vehicle manufacturing, transmission towers, and transportation machinery, and are often used together.

Flat steel is used in construction sites as bridges, house frames, fences, power transmission ships, vehicles, etc.

Round steel and square steel are used for various mechanical parts, agricultural machinery accessories, tools, etc.

Medium-sized steel: medium-sized steel, trough, angle, round, and flat steel, the use is similar to that of large-sized steel.

Small section steel: Angle, round, square, and flat steel in small section steel. The processing and use are similar to large section steel. Small diameter round steel is often used as building reinforcement.

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Structural steel(2)

Application Characteristics

Application characteristics of H-shaped steel

The hot-rolled H-beam reasonably distributes the aspect ratio of the cross-sectional size according to different uses, and has excellent mechanical properties and superior performance.

A. The design style is flexible and rich.

B. The structure is light in weight.

C. The structure is scientific and reasonable, with good plasticity and flexibility, and high structural stability. It is suitable for building structures that withstand large vibration and impact loads. It has strong resistance to natural disasters, and is especially suitable for some building structures with multiple earthquake zones.

D. Increase the effective use area of the structure.

E. Compared with welded H-shaped steel, it can significantly save labor and materials, reduce the consumption of raw materials, energy and labor, low residual stress, and good appearance and surface quality.

F. It is convenient for machining, structural connection and installation, and easy to dismantle and reuse.

G. The construction speed is fast, the floor area is small, and it is suitable for all-weather construction, and is less affected by climate conditions.

Application characteristics of angle steel

Angle steel: Commonly known as angle iron, it is a long strip of steel that is perpendicular to each other and forms an angle. There are equilateral angle steel and unequal angle steel.

Angle steel can be composed of various stress components according to different needs of the structure, and can also be used as a connector between components. Widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves, etc.

Application characteristics of channel steel

Channel steel is a long strip of steel with a groove-shaped cross-section.

Channel steel is mainly used in building structures, vehicle manufacturing and other industrial structures, and channel steel is often used in conjunction with I-beams.

Application characteristics of I-beam

I-beam, also known as steel beam, is a long strip of steel with an I-shaped cross section. I-beams are divided into ordinary I-beams and light I-beams. I-beams are widely used in various building structures, bridges, vehicles, brackets, machinery, etc.

Application characteristics of cold-formed steel

Cold-formed steel is the main material for making light-weight steel structures, and it is made of steel plates or steel strips by cold bending. In addition to being used in various building structures, cold-formed steel is also widely used in vehicle manufacturing, agricultural machinery manufacturing, etc.

Special-shaped steel

Special-shaped steel includes gear ring, horseshoe steel, magnetic pole steel, presser foot plate, shallow channel steel, small channel steel, T-shaped steel, spherical flat steel, cloth feed tooth steel, hot-rolled hexagonal steel, etc. In addition, there are rivet steel, farm tool steel, and window frame steel.

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