Pickling of steel coil

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  • Steel coil pickling Flowsheet


Steel coil pickling Flowsheet.jpg

Literature: BAT for the surface treatment of metals & plastics, 2006



  • Typical parameters of the process
Process Temperature [°C] Concentration [g/l] Heat transfer medium/chemical Literature
Acid pickling of Low Alloy and Alloy HR steel 75-95 Hydrochloric or sulphuric acid BAT for the surface treatment of metals & plastics, 2006
Acid pickling of High Alloy HR Steel 70 Mix of 10-18% nitric and 1-5% hydrofluoric acids
Coil pickling: spray pickling with sulfuric acid 25 to 60 10 to 60 sulfuric acid
Coil pickling: spray pickling with hydrochloric acid 20 to 40 100 to 150 Hydrochloric acid


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