Automotive Automobile Braking System Brake components fitted in the automobiles are critical to the controlled reduction of speed. These comprises of different types of supplementary parts, devices and accessories like brake booster, brake cylinders, brake lines, wheel studs, roll, pumps etc used in the automobile braking systems for slowing down a moving vehicle by transferring the energy of momentum with the help of friction. The brake components work together to perform multitude of functions like slowing, stopping, controlling the speed and movement of the vehicle. Brake components are long lasting, sturdy, corrosion resistant, and easy to assemble. Steel is the preferred metal for manufacturing brake components for automobiles. The other high performance materials that are used for producing brake components are stainless steel, iron, copper, titanium, carbon steel, chromium, vanadium, cast iron, brass, bronze, aluminum, rubber and plastic.