Infrastructure

6-HI MILL

6-HI MILL

The design of the 6 Hi Mill is a joint effort of Hero Steels Limited and MECON. Main features of the Mill are:

  • Level-2 Automation and Man Machine Interface provided by Ansaldo Micro Systems, Italy
  • Fully flat shape of CRCA sheets through shift able Intermediate Roll (IMR)
  • Reduced edge drop through shift able IMR and bending force
  • Better grain structure due to higher reduction
  • Thickness close to nominal through Auto Gauge Control (AGC)
  • Uniform properties of the total coil length through elongation control during skin pass
  • Speed of 800 meters per minute
  • Better Shape control through bridle arrangement

HYDROGEN ANNEALING

HYDROGEN ANNEALING

Annealing is a process of heating, soaking and controlled cooling of coil in a non-oxidizing atmosphere. Metallurgically, the annealing process relieves the stresses developed by Cold Rolling and renders the strip soft and restores its ductility and formability.

Hydrogen annealing furnaces use 100% hydrogen atmosphere, resulting in a clean and bright surface of the strip. The automated feature of furnaces at Hero Steels helps to maintain accuracy in operation so as to deliver consistent quality