An angle is a length of steel at a right angle (90 degrees from vertical) in an “L” shape. The angles steel of the legs can be equal or unequal. Steel angles are used in many industries, commonly as frames, shelves, or brackets. A36 Angle – also known as Angle Iron, Angle, or Angle Steel – is a hot-rolled mild steel with an L-shaped profile for excellent weldability – ideal for machining, drilling, punching, tapping, and grinding. Angles have two vertical planes at 90° that provide strength, rigidity, and sufficient resistance to bending in all directions. Angles steels are used in hundreds of applications – from trailers to truck beds, racking to structural supports, farm equipment to construction tools.