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Abstract

The objective of the project was to improve the efficiency of the pickling lines in terms of capacity and in terms of contribution to the total quality. The preservation of the environment is another concern of the project.
Three main fields have been studied and developed:

-Increase of the pickling speed by induction pulses:
The objective in this field was to test an original method that was proposed; to apply strong heating by induction pulses during pickling. More practically, the objective was to determine the possible acceleration by induction pickling and define the conditions to get it: required power, effect of frequency, application to several steel grades.

-Improvement of the properties in coupled pickling and rolling:
This part aimed at improving the surface quality of the steel strips and supplying methods/instruments to enhance the process and product control capability in difficult-to-monitor systems, such as coupled pickling plus cold rolling line.

-Optimisation of the pickling and rinsing conditions:
This part was to examine how the variables in the pickling process effect the brightness of the pickled surface. In particular, how the steel substrate, liquor strengths, and wash water spray pressures influence the brightness of the pickled surface. During the project works, the objectives have been adapted to better match realistic features, which appeared.appeared.

Additional information

Authors: GIANNETTI A, CSM, Rome (IT);EDMUNDSON J, British Steel, Welsh Technology Centre, Port Talbot, West Glamorgan (UK);CRAHAY J, CRM, Liege (BE)
Bibliographic Reference: EUR 19872 EN (2001), pp. 159. Euro: 23.50
Availability: Available from EUR-OP sales agent URL: http://eur-op.eu
ISBN: ISBN 92-894-1452-9
Record Number: 200113964 / Last updated on: 2001-11-14
Category: PUBLICATION
Original language: en
Available languages: en
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