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Abstract

The investigation was designed to study primary scale formation under conditions which simulated the temperatures, times and atmospheres used in reheat furnaces. These materials, after descaling, were than used to study secondary scaling reactions in air, at various temperatures and times to simulate conditions prevailing during hot rolling. A parallel investigation was carried out on plant processed materials to act as a comparison for the results obtained from the laboratory investigation and to test the hypothesis developed from the detailed interpretations of the scale microstructures formed in the latter studies. A novel laboratory test rig was developed to assess the ability of the metal/interface/scale composite to transmit rolling forces to the steel. The oxidation rates of six steels were determined using a thermal micro-balance to measure isothermal weight gain data at various temperatures in gas atmospheres. Non-isothermal tests were also carried out to help develop a model for predicting the extent of scale formation for a given steel under prescribed conditions.

Additional information

Authors: MOORE N, British Steel Strip Products, Welsh Technology Centre, Port Talbot (GB);OLDROYD P, British Steel Strip Products, Welsh Technology Centre, Port Talbot (GB);LEWIS P, British Steel Strip Products, Welsh Technology Centre, Port Talbot (GB);WESTACOTT M, British Steel Strip Products, Welsh Technology Centre, Port Talbot (GB)
Bibliographic Reference: EUR 13961 EN (1997) 188pp., FS, ECU 31.50
Availability: Available from the (2)
ISBN: ISBN 92-828-1682-6
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