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Subject: Continuous casting with Pb>100ppm

Date: 06/27/01 at 3:00 PM
Posted by: Cristian Piani
E-mail: cpiani75@libero.it
Message Posted:

in the plant where a i work we have a problem with lead.
We produce constructional steel from scrap using EAF and we cast 130x130 billet. I have noticed that when the Pb content is over about 100 ppm lead forms a layer on mould surface which has a detrimental effect on heat transfer; several times it is necessary to close the lines otherwise we get a breakout. I couldn't find anything facing this argument in my literature searches, so, can anybody help me?
Thanks, Cristian

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