Angle bar is a term used to describe a metal bar with unequal sides, forming an angle shape. It is also referred to as an L-bar or angle iron in some regions. In construction and engineering, it serves as a strong support in the framework of a structure, providing stability and reinforcement. Other similar terms used to describe angle bars include angle steel, angle iron, and structural angle. These terms are often used interchangeably to refer to the same product. Additionally, angle bars come in various sizes, lengths, and thicknesses, making it an essential component in many industries.