Breakouts due to insufficient skin thickness exiting below caster mold are prevented. Minimum mold heat removal rate is defined in terms of casting speed, mold faces, mold size, material grade and tundish superheat, then calculated, indicated and compared to actual measured values of heat removal rate....http://www.google.de/patents/US4235276?utm_source=gb-gplus-sharePatent US4235276 - Method and apparatus for controlling caster heat removal by varying casting speed
