Metal Industry News

ANDRITZ to Supply Cold-Rolling Mill to NAS

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International technology group ANDRITZ has received an order from North American Stainless, Ghent, Ky., to supply a 20-high cold-rolling mill, a 4-high skin pass mill, and an upgrade of the existing annealing and pickling line No. 2. The cold-rolling mill will feature the newly developed Sundwig MonoBlock design for longer service life and reduced operating expenses.

The ANDRITZ scope comprises the design and supply of the complete mechanical and electrical equipment, as well as supervision of installation and start-up. The deliveries will be designed with a particular focus on production efficiency, strip shape and strip surface condition to manufacture products of the highest quality, the company said.

• The new Sundwig MonoBlock 20-high cold mill will be capable of rolling up to 1350-millimeter wide product, with a maximum incoming material gauge of 6.2 millimeters and a finished material gauge as thin as 0.15 millimeters. The  SMB design will provide additional features for easy maintenance such as the automatic roll change device, increased roll grinding ranges, easy back-up roll assembly and direct hydraulic adjustment via long stroke cylinders resulting in a large roll gap opening.

• The new skin pass mill will be capable of rolling up to 1600-millimeter wide product. Material gauges will be from 6.2 millimeters to 0.3 millimeters.

• Annealing and pickling line No. 2 will be upgraded to include a new furnace cooling section, shot blasting and pickling section.

North American Stainless is the largest fully integrated stainless-steel producer in the U.S. and a member of the Acerinox Group.