Hot strip mills for steel

Hot rolling
Hot strip mills

You'll appreciate X-Roll® hot strip mills from SMS group as all-round plants for high-quality hot strip. They are designed to produce flat steel from thin strip with a minimum final gauge of 1.2 millimeters to high-strength pipe steels up to 25.4 millimeters thick, including stainless steel grades. Implemented here are many technologies that ensure excellent hot strip quality as well as high cost efficiency and availability.


High-capacity Hot strip mill (up to 5.5 million t/year)

Core Components
  • Slab sizing press for substantial width reduction
  • Two reversing roughing stands with attached edger
  • Transfer table with highly efficient heat covers
  • 7 finishing stands with CVC® plus technology
  • Cooling section
  • 3 downcoilers
SMSgroup Plant Image

Compact Hot strip mill (up to 4.0 million t/year)

Core components
  • One reversing roughing stand with attached edger
  • Mandrel-less coilbox to reduce total mill length and to homogenize the transfer bar temperature
  • 6 finishing stands with CVC® plus technology
  • Cooling section
  • 2 downcoilers 
SMSgroup Plant Image


Camber free rolling for roughing stands image

Camber free rolling for roughing stands

Our roughing mill stands are designed to produce straight ...

CVC plus for finishing mill stands

CVC® plus for finishing mill stands

Our finishing mill stands are equipped with CVC® plus ...

SIEFLEX HT - high capacity spindle image

SIEFLEX®HT - high capacity spindle

Our SIEFLEX®HT gear-type spindles transmit the drive ...

Strip cooling systems image

Strip cooling systems

Strip cooling is an important metallurgical process in ...

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Improving plant efficiency

Four dimensions to improve the performance of existing plants

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 hot strip mills

Pass schedule calculation (PSC®)
Profile, contour and flatness control (PCFC®)
Roll state model (RSM)
Cooling section control (CSC)
Material Property Model (MPM)
TCS mill stand
Camber free rolling (CFR)
Crop optimization
Process models (BOF, LF, AOD, V) automatic width control
Thin gauge rolling
Looper –a mechatronic package
Tail-out monitoring
Your professional partner for
Hot strip mills for steel

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.


High-torque spindle for rolling mills

Higher capacity and new lubrication technology

Sieflex®-HT Spindle

High-strength materials require greater rolling torques and forces. The new Sieflex® HT gear-type self-aligning spindle is a key to meeting this demand.

Innovative circuling oil lubrication

  • Low oil consumption
  • Longer service life due to clean, cool lubricating oil 
  • Reduction of downtimes by more than 50 %
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  • Higher drive and rolling torques at the same work roll diameter 
  • Full torque capacity up to a deflection angle of 2.5°
  • Reduced maintenance

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

Maintenance tools image

Repair of core components

Know the wear limits for your MAXIMUM utiliziation
Repair of core components image

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

More videos

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Modernizing the Salzgitter Hot Strip Mill - large advances thanks to step-by-step revamps

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Shougang Jingtang X-Roll® Hot Strip Mill - built on new ground


High-Performance Hot Rolling Mills
X-Pact Vision Operation and visualization
Low-Voltage Frequency Converter
Production Planning and Scheduling


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

SMSgroup Reichel, Heiko

Heiko Reichel

SMS group GmbH
Hot rolling mills
Wiesenstraße 30
57271 Hilchenbach

Phone : +49 2733 29 1573
Fax : +49 2733 29 771573


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