Heavy plate mills for steel

Hot rolling

Whether skyscrapers or offshore platforms, giant bridges or slender wind turbines, pipelines, gasholders for enormous pressures, excavators, mobile cranes, container ships, luxury liners - heavy plate covers a vast range of applications. Ideal for all these products are heavy-plate mills from SMS group. They also allow steelmakers to supply plates with tailor-made material properties designed for tight geometrical tolerances. As a system supplier, SMS offers you the complete technology spectrum from reheating furnaces to heat treatment including mechanical engineering, electrical and automation systems, and process know-how.

Heavy-plate mill designs

Heavy-plate mills

Each heavy-plate mill features its own individual layout. That depends on the product mix, the product geometries, and the installation site. Common to all mills are the main process sections: reheating furnaces, mill area with one or two reversing 4-high stands, plate cooling and hot plate leveler, cooling beds, shearing line, finishing line, heavy plate line, and heat treatment line. We apply all our hands-on experience to develop the optimum layout in close cooperation with you.
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Steckel/plate mills

Our Steckel/Plate mills produce heavy plate and hot strip in one mill line. It’s the plant type that ensures you can flexibly adjust your production capacities to market demands.
SMSgroup Plant Image


Pipe grades, shipbuilding steel, pressure vessel and boiler grades, high-strength construction steel.

Plate width

Up to 5,400 mm

Plate thickness

5 - 400 mm


Up to 1.5 million t/year
(1-stand mill)
Up to 2.0 million t/year
(2-stand mill)


Plate rolling image

Profile and flatness control for higher productivity
Plate rolling

The mill line is the heart of the heavy-plate rolling mill. With rolling forces of up to 120 Meganewton, we have supplied the most powerful heavy-plate mill stands worldwide.

Our CVC® plus technology is ideal for efficient profile and flatness control as well as increased mill productivity.

Plate cooling image

Modular design for all requirements
Plate cooling

Whatever your range - plate cooling systems from SMS group ensure cost-effective production of a large variety of steel grades. Included here are advanced high-strength materials with excellent flatness and precise mechanical properties.

Plate leveling image

Flexibility in leveling
Plate leveling

Today, the market demands for heavy plates with excellent flatness and low residual stresses. That's why we design and supply pre-levelers, hot plate levelers and cold plate levelers with special features to guarantee the demanded flatness throughout the entire production process.

Shearing iamge

Shears for 60 mm plate thickness

Our heavy-plate shears are designed to cut plates up to 60 mm thickness with exact width and length and excellent edge quality.

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Innovative designs and technology
Heat treatment

New on the market are our latest furnaces and quench systems. They make heat treatment of heavy plate more efficient, precise, and flexible.

X-Roll® Oil Bearing

Hydrodynamic roll-neck bearings from SMS group are highly advanced and elementary components of modern rolling mill technology. That's because they support the load-bearing backup rolls. Even under extremely tough operating conditions, they ensure long roll service life and minimal maintenance outlay. This is how roll-neck bearings contribute substantially to meeting the high requirements for optimal final strip geometry.

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Selected References

Electrical and automation systems

Future-proof complete solutions from one source

  • Integrated solutions consisting of mechanics, electrics, and automation
  • The benefits of long-term experience with X-Pact® world-leading automation
  • Energy distribution and drive systems
  • The only genuine future-proof automation system
  • Control stations designed around the operator
  • Innovative HMI system for production-centered operation
  • Plug & Work integration test, process and production simulation, near-reality 3D visualization
  • All-inclusive modernization
  • International setup
Electrics and automation systems image

Holistic, efficient, and future-proof

Products and solutions for heavy plate mills

Pass schedule calculation (PSC®)
Roll state model (RSM)
Material Property Model (MPM)
Thermo mechanical rolling
Plate cutting optimization
Plate cooling control
Profile and flatness control (PFC®)
TCS mill stand
Automatic shape control (ASCI)
Control system for leveler

Your professional partner for heavy plate mills

Our specialists in electrics, automation, technology, and mechanics work hand in hand to ensure your systems function smoothly. That’s how we create intelligent, market-centered solutions that boost your production. This approach not only drives our technological solutions. It’s also to your advantage because our entire scope of supply and services – from plant engineering to process engineering, electrics and automation, manufacturing, assembly, Plug & Work testing, commissioning, right through to after-sales service – is geared to your specific requirements.


Slipper-type spindles

The drive solution for heavy plate stands

The robust slipper-type spindle stands for greater reductions per pass and longer service life. After intensively analyzing analyzed material and stress conditions, SMS group enhanced the superiority of these spindles.


  • 30% and more - Safe transmission of even the highest torques 
  • Length compensation for CVC® shifting
  • Easy and reduced maintenance
  • Longer service life
Slipper-type spindles

Oil-air lubrication

Significant savings in servicing and maintenance:

  • Reduced oil consumption up to 50%
  • Higher work safety; cleaner plant environment without aerosols
  • Separate, closed lubrication system that can simultaneously be used for the work rolls.
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Genius CM

Our early-warning system to avoid downtimes

The Genius Condition Monitoring includes a modularly designed, permanent online monitoring system. It controls and records the current condition of wear-prone plant components and notifies when situations become critical.

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1. Monitoring of toothing
(Gear mesh frequency) MDVA - Diagnostic Vibration Anaysis
2. Bearing damage
Temperature Monitoring
3. Gear unit lubrication
(Dirt particles, oil flow, water level) HDM - Hydraulic Monitoring
4. Spindle monitoring
(Torque) TAS - Torque Analysis System
5. Process monitoring
MiDaS - Mill Diagnostic System

Maintenance tools

Effective and economical maintenance


The Integrated Maintenance Management System (IMMS) is a combination of a CMMS software and valuable data based on decades of SMS experience. From elaborate analyses and existing documents, SMS creates a plant specific, customized package of component- related maintenance strategies for technically and commercially effective maintenance.

IMMS® - steps required for a complete maintenance system

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More Videos

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System supplier SMS group - A five-meter heavy-plate mill for MMK

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Heat treatment system for Qutukumpu stainless - High flexibility for small batch sizes


Ahead of Times with Plug & Work
Fascinating Heavy Plate
X-Pact Vision Operation and visualization
Low-Voltage Frequency Converter
Production Planning and Scheduling


SMSgroup Krämer, Stephan

Stephan Krämer

SMS group GmbH
Flat Rolling Plants Division
Wiesenstraße 30
57271 Hilchenbach

Phone : +49 2733 29 1616
Fax : +49 2733 29 2832

SMSgroup Pronold, Klaus

Klaus Pronold

SMS group GmbH
Sales Electrical and Automation Systems Flat Rolling Mills
Wiesenstraße 30
57271 Hilchenbach

Phone : +49 2733 29 1089
Fax : +49 2733 29 771089


Learn about our plant technology covering the entire process chain for the production of high-quality metals.