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Hot Rolling Long

State-of-the-art solutions for bar, rod, sections and rails

Primetals Technologies has a complete portfolio of solutions for bar, wire rod, section and rail, and non-ferrous mills. Deep knowledge that draws on more than 300 years of history from the tradition-rich brands of Pomini, Morgan, Ashlow and GFM. Primetals Technologies has a record of more than 500 plants installed, and continues with ongoing innovation with hundreds of active industrial patents.

Today's demands for flexible and economic production of long products can only be met by production process, electrical and automation solutions that are based on precise process modeling, high-performance control systems and in-depth understanding of long product rolling technology. Drawing on more than a century of experience and proven solutions, Primetals Technologies has the answers to complex and diverse market demands – from the smallest upgrade to the greatest technical challenges for high-speed and special steel grade products. With our world-class equipment, processes and design tools, we set benchmarks for rolling long products. We offer worldwide proven and extensively preconfigured solutions, including modular standard packages as well as global and intelligent service concepts for the entire equipment lifecycle.

Bar Mill - Bar Mill solutions ensure high durability and maximum availability

Bar Mill - Bar Mill solutions ensure high durability and maximum availability

All components from Primetals Technologies are designed for high durability and maximum uptime during operation of the bar mill. From the high-productivity of rebars and merchant bars, to the best tolerance and quality for special and high-alloy grades, the high quality of the components as well as a reliable supply of spare parts ensure that we meet or exceed our customers’ expectations.

Red Ring rolling stands are suitable for use in a wide range of situations. Direct rolling Winlink reduces the total product cost, while the efficient heating system EHS optimizes the reheating operation and reduces the amount of scale formed. Head to tail welding of billet increases the material yield. Reversing breakdown mills and flexible roughing mills offer automatic operation in a compact installation. Multi-slit and high-speed technologies ensure that the requirements of high productivity of rebars are safely and efficiently guaranteed. Through bar-in-coil operation by V+ coilers, compact and twist free coils of bars and convex shapes are produced. State-of-the-art cooling technologies are available, to control distortion of merchant bars, for thermo-mechanical rolling and for quenching & tempering both carbon and alloy steels, including stainless. The 2+4 EVO reducing and sizing mill further improves dimensional accuracy of SBQ bars and better controls the metallurgical structure.

Rod Mill Equipment - The most reliable and innovative technology from a single source

Rod Mill Equipment - The most reliable and innovative technology from a single source

Speed, reliability and process flexibility are key to productive rod rolling operations -- for high volume small sizes, maximum uptime, and multiple sizes/grades with quality tolerances, metallurgical and surface properties.

As long rolling’s technology pioneers, Primetals Technologies applies knowledge and experience to supply your ferrous and non-ferrous mill’s best solution. The leading provider of efficient wire rod mill technology with Morgan Vee No-Twist® Mills, Red Ring Stands, Morgan Reducing/Sizing Mills, controlled cooling systems and thermomechanical rolling, we offer finishing blocks plus our High Speed Trim Shear and Morgan High Speed Laying Head to roll reliably at high speeds for superior coil packages. For more difficult steel grades, our versatile Morgan Stelmor conveyor system creates a wide range of cooling conditions. Our coil reforming, handling and compacting systems deliver the highest quality coil for demanding markets.

Section Mill - State-of-the-art technologies and processes for modern section and rail mills

Section Mill - State-of-the-art technologies and processes for modern section and rail mills

Primetals Technologies offer a portfolio of solutions for light, medium and heavy sections, and rail. Advanced answers for an array of applications, from construction and building to railways for high-speed and heavy-haul application exist.

Universal stands provide precise deformation with a rigid and compact structure. 3+1 tandem mills increase yearly productivity in a small space for installation. Change-over times are reduced to a minimum by automated change systems. Reversing flat rolling blocks enable production of a large range of flat-bars, without need of any roll change. Horizontal and vertical straightening systems remove deformations caused by asymmetrical cooling effects. Stacking systems provide adjustable and flexible operation to handle different lengths. Inline cooling technologies improve the mechanical characteristics of medium-large sections and reduce its residual stresses, without expensive alloying elements. The idRHa+ inline and flexible rail hardening system applies defined cooling protocols to obtain the controlled microstructure and hardness distribution required for premium rails.

Endless Rolling

Endless Rolling

The cutting-edge technologies and processes for efficient rolling of long products.

Endless rolling of long products via direct rolling linked to the caster or welding billet head to tail plays an important role in minimizing the consumption of energy, improving product consistency, and maximizing yield.

Efficient Heating System

Efficient Heating System

EHS allow increased energy efficiency in the rolling operation, and improves flexibility.

During billet re-heating using fossil fuel (gas, oil), the temperature gradient required to reach the initial rolling temperature inevitably produces significant oxidation of the billet surface. This scale is detrimental to metallic yield, representing a significant amount of lost material. By combining the conventional fossil fuel furnace with a state-of-the-art induction heater, the residence time of the billet in the various temperatures zones can be adjusted and controlled to significantly reduce oxidation and hence formation of scale. This improved flexibility of operation is especially appreciated when rolling with frequent changes of billet size and/or grades.

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