Galvannealed Steel Sheet Dealers in Bbd Bag, Kolkata

We are offering galvanized steel sheet. Jindal (india) limited produces hot dipped galvanized coils in accordance with international standards, jis g3302 (grade sgch, sgcc), astm a653 and is 277. Its coils have excellent corrosion resistance, printability and workability. The de-greasing section helps the removal of oil and dirt by a cascaded process of hot alkaline de-greasing, cold rising, hot rising and hot air drying. Then annealing is done in an electrically heated horizontal furnace operated under a protective atmosphere with a calibrated ratio of nitrogen and hydrogen generated in a state–of–the–art automated protective gas plant using ammonia and air as primary raw materials. Hot dip galvanizing of the strip is carried out by immersing it in a zinc bath maintained at 460 degree centigrade. The chemistry of the bath is carefully controlled to ensure proper adhesion and formability of the applied zinc together with bright blemish free uniform spangles