Unequal Angle Steel Bar

Description

Unequal angle steel bar refers to the angle steel bars with a right-angled L-shaped cross-section and two sides of unequal length. Unequal angle steel bar can be divided into two types: unequal-angle equal-thickness angle steel and unequal-angle unequal-thickness angle steel.

Unequal angle steel bar is widely used in various structures and engineering applications in municipal, civil, and military applications, such as industrial beams, bridges, transmission towers, cranes, ships, industrial furnaces, reaction towers, container racks, and warehouses. Because its usage is lower than that of equal angle steel bar, its price is slightly higher.

Unequal angle steel bar is manufactured through hot-rolling or cold-bending processes, typically using carbon structural steel or low-alloy steel. Its cross-section is a right-angled L-shape with two sides of unequal length, hence the name “unequal angle steel bar.”

Unequal angle steel bar specifications are typically expressed as “side length × side length × thickness.” For example, 50 × 30 × 4 mm means the long side is 50 mm, the short side is 30 mm, and the thickness is 4 mm. Due to the different lengths of the two sides, its force distribution is more flexible and suitable for structures that require asymmetric support.

Applications of Unequal Angle Steel Bar:

Due to its structural characteristics, Unequal Angle Steel Bar plays an important role in many fields:
(1) Building structure: used to build steel frames, support beams, stair handrails, etc., to provide stable support.
(2) Mechanical equipment: as a bracket or connector, it enhances the stability and durability of the equipment.
(3) Bridge engineering: used as an auxiliary support structure for bridges to bear part of the load.
(4) Furniture manufacturing: The frames of some metal furniture use unequal angle steel, which is both beautiful and sturdy.

Due to the different lengths of the two sides of Unequal Angle Steel Bar, it has more advantages than equal angle steel in some special structures, such as when space is limited or a specific force distribution is required.

Common specifications of Unequal Angle Steel Bar The specifications of unequal angle steel on the market are diverse, and common side length combinations include:
(1) Small specifications: such as 25×16mm, 30×20mm, suitable for light structures or decorative purposes.
(2) Medium specifications: such as 50×30mm and 63×40mm, commonly used for building frames or mechanical components.
(3) Large specifications: such as 100×80mm and 125×75mm, mostly used in heavy steel structure projects.

In terms of thickness, common ones are 3mm, 4mm, and 5mm. Different thicknesses of angle steel are suitable for different strength requirements. When purchasing, you should choose the appropriate specifications according to the actual use to avoid excessive waste or insufficient strength.

Standards and Classifications

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