Ispat Unimetal, Gandrange, has decided to install a 3-roll reducing & sizing block to be supplied by Friedrich Kocks GmbH & Co, Germany.The 4-strand 370 mm reducing & sizing block will replace the existing stands Nos. 17 to 20 and will be used as finishing block for round products with a dimension range of 15.0 to 80.0 mm and hexagons of 14.3 to 70.4 m. An extended "free-size" range of up to +- 1.5 mm from the nominal size permits rolling of a wide variety of sizes with tight tolerances by adjusting stands and guides only. Therefore, any size can be rolled by a minimum number of roll sets and stand changes. Furthermore, the reducing & sizing block enables one pass family rolling in the upstream mill. All of this leads to a considerable reduction in size changing time and thus to improved mill availability.
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