Tata Steel

Port Talbot Steelworks

How a Cold Rolling Mill Works

Cold Rolling Process

hotcoils

Step 1: Hot steel coils from the hot rolling mill need to be cooled in quench tanks before they can enter the production line...

welder

Step 2: The cooled strip is uncoiled and fed into a welder where the tail of the last coil and the head of the next are welded together to make a continuos process...

pickling

Step 3: The strip is rn through hot acid baths in a process called turbulent pickling to clean all the dirst and scale off the steel...

mill

Step 4: The clean strip then passes through a 5 stand mill that rolls the steel using hydraulic pressure. Each stand must work faster than the last due to the elongation of the strip...