ANDRITZ to supply production lines to Nucor Steel Arkansas, USA
International technology Group ANDRITZ has received an order from steel producer Nucor to supply turn-key production lines for its new specialty cold rolling mill complex at the company’s sheet steel mill in Hickman, Arkansas, USA. Start-up of the plant is scheduled for the second half of 2018.
The 650,000 short ton p. a. expansion project will increase Nucor Steel Hickman’s production of specialty grades, including third-generation, advanced high-strength steels, high-strength low-alloy steels, and high-efficiency electrical steels.
The ANDRITZ METALS scope of supply includes a high-performance push pickling line with line speeds of up to 200 m/min for pickling hot-rolled carbon steel. Besides complete ANDRITZ in-house electrics and automation, an advanced ANDRITZ multi-roll leveler for highly effective shape correction and a powerful ANDRITZ 4-high skin pass mill are included. Thanks to the multi-roll-leveler and the skin pass mill, the push pickling line will achieve superior material flatness in addition to the well-known, excellent ANDRITZ strip surface.
The order also comprises a reduction cold rolling mill equipped with the ANDRITZ S6-high technology as well as a temper rolling mill in 4-high design, including reduction mode (prepared for future S6-high mode as well). With rolling speeds of up to 800 m/min, the mills process advanced high-strength steel of the third generation and even beyond for material grades of up to 2,000 MPa. All rolling units (skin pass, reduction, and temper mill), which are operated with state-of-the-art ANDRITZ in-house electrics and automation, are equipped with correspondingly fast and automated roll change equipment, integrated bridle rolls, advanced strip drying, and gauge controls to ensure tightest tolerances.
Nucor Corporation, headquartered in Charlotte, North Carolina, USA, is the largest steel producer in North America and the largest “mini-mill” steelmaker (i.e. it uses electric arc furnaces to melt scrap steel as opposed to blast furnaces to melt iron). The company is also North America’s largest recycler of any material.
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The ANDRITZ GROUP
ANDRITZ is a globally leading supplier of plants, equipment, and services for hydropower stations, the pulp and paper industry, the metalworking and steel industries, and for solid/liquid separation in the municipal and industrial sectors as well as for animal feed and biomass pelleting. Other important business segments include automation and service business. In addition, the international Group is also active in the power generating sector (steam boiler plants, biomass boilers, recovery boilers, and gasification plants) and in environmental technology (flue gas cleaning plants) and offers equipment for the production of nonwovens, dissolving pulp, and panelboard as well as recycling plants. The publicly listed technology Group is headquartered in Graz, Austria, and has a staff of approximately 25,200 employees. ANDRITZ operates more than 250 sites in over 40 countries.
ANDRITZ METALS is the technology and global market leader in forming equipment through the Schuler Group, in which ANDRITZ has a stake of more than 95 percent. Schuler offers presses, automation solutions, dies, process know-how, and services for the entire metalforming industry. Its customers include car manufacturers and their suppliers, as well as companies in the forging, household appliance, packaging, energy, and electrical industries. Schuler is also the market leader in coin minting technology and offers system solutions for the aerospace, railway, and large pipe industries. In addition, ANDRITZ METALS is one of the leading global suppliers of complete lines for the production and processing of cold-rolled strip made of stainless steel, carbon steel, aluminum, and non-ferrous metal. The lines comprise equipment for pickling, cold rolling, heat treatment, surface finishing, strip coating and finishing, punching and deep drawing, and the regeneration of pickling acids. The business area also supplies turnkey furnace systems for the steel, copper, and aluminum industries, as well as welding systems for the metalworking industry.