Kroman Çelik goes for sizing
More product quality and higher finishing speeds by installing the latest Danieli technological packages for wirerod mills
In May 2018, Kroman Çelik (Yücel Boru Group) selected Danieli for the modernization of its high-speed wire rod mill, supplied by the same in 2006.
The upgrade project includes the addition of a TMB-Twin Module Block and a newly designed HSS High-Speed Shear before the sizing block. The new systems will guarantee a size tolerance of +/- 0.10 mm, and 60% out-of-roundness on 4.5 mm dia. wirerod, for scratch-free and defect-free products from superb quality wirerod produced at 115 m/s.
By installing these technological packages, Kroman Çelik will expand its wirerod range from current 5.5 - 20 to 4.5 - 26 mm dia., also widening steel grade production to premium grades.
This plant performs thermo-mechanical rolling (low temperature rolling down to 750 °C and normalizing rolling), featuring a single-pass family in the pre-finishing and upstream mill, increasing rolling mill availability by minimizing size changes downtime.
TMB allows the production of any size at any time. Characterized by the most compact design, the High-Speed Shear provides the best automatic in-line trimming, improving material yield.
It will be in operation by Summer 2019.
Furthermore, a 1400-t cutting force scrap shear and a baler will be installed, to produce bales weighing more than 1000 kg, with a size of 60x60 cm and a variable bale length up to 1 m.
source: Danieli
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