The hot rolling process the primary function of the hot strip mill is to reheat semi finished steel slabs of steel nearly to their melting point then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77 000 hp and finally coiling up the lengthened steel sheet for transport to the next process.
Steel rolling process flow sheet.
The overall flow line of iron and steel making is shown in figure 734 figure 734 flow line of steel making the cold rolling process hardens sheet steel so that it usually must be heated in an annealing furnace to make it more formable slag produced when the impurities present in coal and iron ore melt and combine with the lime used.
Rolling is the most widely used metal forming process.
The resulting piece is then cut to the specified length of the final part.
This means sometimes waiting time for temperature adjustment is necessary during the rolling process and the waiting time tends to become longer with thicker products.
The work starts out as a cast steel ingot that has just solidified.
Once in the hot rolling line the billet enters a furnace to be reheated once at the correct temperature the billet is pushed into the rolling stands.
Process analytics in the iron and steel industry siemensrocess analytics in the iron and steel industry steel is and will remain the most important engineering and construction material in the modern worldith an actual steel production of over 100 million tons per month the global iron and steel industry is a very.
Hot rolling process cold rolling process grain flow in hot rolling process grain flow in cold rolling process e4education for detail note visit.
While it is still hot the ingot is placed in a furnace where it remains for many hours until it has reached a uniform temperature throughout so that the metal will flow consistently during rolling.
Iron processing flow sheet.
The benefits of using a roll forming process versus a press brake or other bending operation can be seen in cost reduction quality and consistency of parts.
Each set of rolling dies makes an incremental change to the sheet metal until the desired profile is achieved.
Rolling process for steel steel undergoes the process of rolling to reduce the thickness of the metal as well as make it uniform.
In this process steel is placed between two rolls where the thickness is altered by manipulating the length direction of the steel rather than the width direction.
By passing between successive rolling stands the cross section can be modified as can the length.
This process takes place in a continuous rolling line where the speed is controlled automatically.
It is employed to convert metal ingots to simple stock members like blooms billets slabs sheets plates strips etc.