Application of Sustainable Improvement in Continuous Casting for Steel Construction

by Yusuf Nugroho, Jung Yeung-Kang

Publisher - Krakatau Posco, Cilegon, Indonesia

Category - Engineering & IT

PT. Krakatau Posco is an integrated steel factory in South East Asia. Specifically located in Cilegon, Indonesia. At the beginning of production, the target of this company is to stabilize operation and achieve production targets. However, currently PTKP has achieved a stable operation and started to build national energy, especially in the construction sector. One of them is steel that applied for the elevated high ways. To produce this steelgrade, clean steel and high performance of the continuous casting machine is needed. In the beginning of production various obstacles have been experienced such as longitudinal cracks that was found on slab surface. In order to obtain stability and quality, some improvement were applied. They are mold powder modification and molten steel flow control in the mold. From this paper, it will further discuss about these improvements. By doing all those improvements, the quality issue especially for longitudinal crack can be removed during the production of steel grade for steel construction application

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