Wirerod Mill Modernization at Baotou Steel, China

Danieli four-pass, high-speed finishing block technology.

Baotou Steel Group Co. Ltd. in China selected Danieli to modernize its 600,000-tpy wirerod mill. The key equipment to be supplied will be a new, four-pass TMB high-speed finishing block to produce smooth-wire from 4.5 to 26 mm diameter, and rebar-wire from 6 to 16 mm diameter at a maximum speed of 110 mps.

The first two passes of the TMB will allow high-reduction ratios in order to perform low-temperature rolling (LTR), to achieve finer grain size and better mechanical properties in the final products.

The new equipment will make it possible to achieve strict product tolerances and to increase the range of sizes produced. The shorter changing time will bring higher material yield and higher production flexibility.

The line start-up is is scheduled for the beginning of 2020.

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