The benefits for the user but also for the machine designer described in this paper are well established facts. The most important of them are: Reduced incidence of surface defects and crack formation. Reduced maintenance and operation costs improvement of operation safety Enlargement of caster product mix. The modern air mist nozzle and header pipe technology can be incorporated into new machines as well as into existing casters for billets, blooms, beam blanks, slabs and thin slabs.
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