Angle iron is a type of structural steel that has an L-shaped cross-section. It is commonly used in construction and manufacturing due to its strength and versatility. Angle iron can be made from various materials, including steel and aluminum, and is available in different sizes and thicknesses to suit various applications. This material is often used to create frames, supports, and brackets in buildings and machinery. Its design allows for easy connection to other materials, making it a popular choice for both industrial and DIY projects. Angle iron is valued for its durability and ability to withstand heavy loads.