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MEVAC TECHNOLOGIES AND APPLICATIONS Product program for efficient metallurgy

SMS group

METALLURGY

SMS MEVAC

Technologies and ApplicationsSMS group

METALLURGY BY SMS MEVAC– ADDING VALUE TO YOUR STEEL

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Content

SMS MEVAC GMBH

AT A GLANCE ...................................................4

ADVANCED TECHNOLOGIES ...................6

ATMOSPHERIC PROCESS

TECHNOLOGIES ...............................................8HMP Hot metal pretreatment stations.......................9LF Ladle furnaces .....................................................11CHS Chemical heating stations ................................11LTS Ladle treatment stations ...................................11

VACUUM PROCESS

TECHNOLOGIES .............................................12RH and RH-TOP Recirculation degassers ................13RH-TOP Lances ........................................................13RH-RockerType® .......................................................15VD and VD-OB Tank degassers, Vacuum ingot casting (VIC).......................................17VOD tank degassers.................................................19

ADVANCED STEEL QUALITY .................20 Process routes P + S ...............................................21

TERTIARY METALLURGICAL PLANTS/

SPECIAL MELTING PROCESSES ............22VIM Vacuum induction melting & casting ...............25ESR Electro slag remelting.......................................26VAR Vacuum arc remelting.......................................26

METALLURGICAL

PROCESS ROUTES T ...................................28

VACUUM PUMPS ..........................................30

AUTOMATION SYSTEMS .........................32Plant and process control systems ..........................33

SERVICE SPECTRUM ..................................34Lifecycle maintenance..............................................35

WHAT IS MEVAC

The two pioneers in secondary metallurgy (Messoand Vacmetal) were merged to SMS Mevac in 1999.

WHAT IS OUR MISSION

Consistency: Being your longterm partner fortechnological developments and innovations inyour steel business

Focus on Customer’s demands: Developing ideastoday and finding solutions regarding possiblefuture demands and challenges that you may befacing

Mevac as your competence center within the SMSgroup for highest demands on Metallurgy and addedvalue in the field of:

Pretreatment

Secondary Metallurgy

Tertiary Metallurgy (special melting andsolidification processes for highest steelqualities and superalloys)

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WHAT DOES MEVAC STAND FOR

MetallurgicalExpertise VacuumApplications Competence

M E V A CMetallurgy at its best

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SMS MEVAC GMBH AT A GLANCE

SMS MEVAC YOUR METALLURGICAL CENTER OF COMPETENCE

WHAT IS YOUR BENEFIT

We provide consulting and engineering expertise totailor products with superior characteristics to matchyour needs and thereby the demands of your finalcustomer.

Pretreatment

Secondary Metallurgy Tertiary Metallurgy

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HMD / KR

Pretreatment

Secondary Metallurgy - atmospheric

Secondary Metallurgy - vacuum

Tertiary Metallurgy

LF / CAS-OB / LTS

RH / RH-OB / RH-TOP / REDA VLD / VD / VD-OB / VOD / VIC

VIM / ESR / VAR

COMPLETE RANGE OF TECHNOLOGIES AND SERVICES FOR ADVANCED STEEL QUALITY

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Adding value to your steel by

ADVANCED TECHNOLOGIES

A PACKAGE OF SUPERIOR

SOLUTIONS

Our complete range of technologies and serviceswill support you in delivering products with superiorbenefit to your final customer.

Lifecycle Partnership

Stable qualityInnovative, future-oriented solutionsOptimized equipment to achieve optimum resultsand low operational costsUnique competetiveness in economy and ecologyFocussing on your specifc needs

After-sales Service

We assist you from day one of commissioning ofyour plant and into the future.

VOD, LF, LTS

VOD, LF, LTS

LF, VD, RH

RH-TOP, RH, CHS

LF, VD, RH

LF

VOD, LF, LTS

VOD, LF, LTS

LF, LTS

VOD, LF, LTS

RH-TOP, RH, CHS

VD, LF, RH

VD, LF, RH

LF, LTS, VD

LF, LTS

VD, RH, LF

VD, RH, LF

Precise analysis adjustment, precise temperature control

Low carbon content, precise analysis adjustment, high steel purity

High steel purity, precise temperature control, precise analysis adjustment, slag management

Low carbon content

High steel purity, precise analysis adjustment, sulphide inclusion modification

High steel purity, oxide inclusion modification

Low carbon content, precise analysis adjustment, precise temperature control

Precise analysis adjustment, precise temperature control

Slag management, high steel purity, oxide inclusion modification

Precise analysis adjustment

Lowest carbon contents, precise analysis adjustment, precise temperature control

High steel purity, precise analysis adjustment

Sulphide inclusion modification, low contents of sulphur and hydrogen

Precise analysis adjustment

High steel purity, precise analysis adjustment

High steel purity, precise analysis adjustment, slag management

Oxide inclusion modification, slag manage-ment, precise analysis adjustment

TECHNO-

LOGIES

ADVANCED STEEL

QUALITIES

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Appliance Industry

Appliance Industry

Automotive

Automotive

Automotive

Automotive

Chemical Industry

Building, Architecture

Building, Architecture

Decoration

Electrical Industry

Energy

Energy

Mechanical engineering


Transportation

Transportation

Surface quality, clean edges

High resistance to washing solutions

Long service life, low noise

Perfect surface quality, high formability, low weight

Long service life

Long service life, low material consumption

High resistance to corrosion

Perfect surface quality

Long service life, high stability

High resistance to corrosion

Low energy losses

High strength, high wear resistance, long service life

Not sensitive to low temperatures

Low wear, high precision

High strength, low weight

High operating reliability, long service life

High wear resistance

Refrigerators

Washing machine drums

Antifriction bearings

Automotive panels, car bodies

Crankshafts

Valve springs, valve cones

Tubes

Facades

Steel bars

Cutlery

Sheets

Rotor blades for wind turbines

Gas pipes

Punching tools, screw taps, screws

Tin plates

Railroad wheels

Rails

BENEFITS FOR THE

FINAL CUSTOMER

INDUSTRIES SELECTED FINAL

PRODUCTS

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ATMOSPHERIC PROCESSTECHNOLOGIES


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HOT METAL PRETREATMENT

STATIONS

SMS Mevac’s HMP stations are installed in manysteelmaking plants in order to economically removedetrimental elements from hot metal prior to steelmelting processes. Heat sizes cover a range up to350 t.

Metallurgical functionsDesulfurization (De-S)Dephosphorization (De-P)Desiliconization (De-Si)DeslaggingAdjustment and homogenization of chemical composition and temperature

HOT METAL DESULFURIZATION

(HMD)

Powder Injection

A range of powders can be injected through a refrac-tory-coated lance immersed into the liquid iron.

Typically lime, calcium carbide and/or magnesium areused for desulfurization. In case of disiliconization ordephosphorization iron oxide is commonly used.Reagents are pneumatically transferred using monoor co-injection technologies.

Our latest Twinjection® allows fast reagent deliverywithout compromising efficiency.

Mechanical Stirring –

Kanbara Reactor (KR)

Using an alternative technology desulphurization isdone by means of mechanical stirring process in thehot metal transfer ladle.

A large refractory-coated impeller rotates in the liquidiron and creates a strong downward vortex. Thuslow-cost lime-based reagent additions with somefluxing agent (CaF2) are stirred deep into the bath forreaction. Unreacted lime particles rising to the bathsurface are submerged again and again, maximizingthe reagent/metal contact time.

Atmospheric process technologies

HMP


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SECONDARY STEEL TREATMENT

STATIONS

SMS Mevac’s atmospheric ladle metallurgicalprocesses serve to adjust steel condition (tempera-ture and chemical analysis) prior to vacuum treat-ment or casting procedure. An important set of metallurgical processes is carried out without usinglarge-scale, capital-intensive equipment. Heatingcapabilities provide extra flexibility and safety in steelshop logistics. A variety of auxiliary equipment pro-vides additional metallurgical capabilities. The sta-tions serve heat sizes of up to 400 t.

LADLE FURNACES (LF)

SMS Mevac’s LFs provide electric arc heating of liq-uid steel. State of the art roof designs reduce nitro-gen pick-up from ambient air. Fixed and slewing rooflayouts comply with productivity demands.

Metallurgical functionsElectrical heatingAlloying and fine trimmingDesulfurization by metal-slag reactionHomogenizationSlag managementImprovement of castability

CHEMICAL HEATING STATIONS

(CHS)

In SMS Mevac’s CHS treatment is slag free underinert gas atmosphere inside a refractory-coated bellimmersed into the bath. This results in minimizedgas pick-up from ambient air and a high yield of alloyadditions. The alumino-thermal process ensures extrahigh heating rates.

Metallurgical functionsAlloy addition under oxygen-free conditions Chemical heating by combustion of aluminum orsiliconHomogenizationImprovement of castability

LADLE TREATMENT STATIONS (LTS)

SMS Mevac’s LTS offer most of the metallurgicalfunctions shown above, except heating, such as

Desulfurization by synthetic slagAlloying and fine trimmingTemperature adjustment by cooling agentsHomogenization.

POWDER INJECTION (PI)

The installation of powder injection equipmentexpands the functionality of all the processes

Ultra-low desulfurization by agents such as lime,CaSi, mixtures of lime, fluorspar or alumina.

Atmospheric process technologies

LF, CHS, LTS

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VACUUM PROCESS TECHNOLOGIES


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RH AND RH-TOP RECIRCULATION

DEGASSERS

RH and RH-TOP units are installed in steelmakingplants with heat sizes of up to 400 t.

Different types of lifting systems are available.

Fixed vessel installations use ladle lifting systems,while movable vessel installations employ vessel lift-ing systems. Fast vessel exchange systems increasethe plant’s general performance and duplex vesselinstallations enable further increased output.

The RH process is characterized by short treatmentperiods, minimal temperature losses and extremelyfavorable results for decarburization and degassing.No special slag measures, extra ladle freeboard orporous plugs are required.

RH-TOP LANCES

A short lance design is used to blow from a long dis-tance, allowing installation in plants with restrictedheadroom. Oxygen blowing, powder blowing and gasburner functions may be combined in a single multi-function lance. Video camera installations can also beincorporated to provide constant visual monitoring.

Metallurgical functions Decarburization to lowest levels Hydrogen removalAlloying and fine trimming with high accuracy Fast homogenization of the ladle content, evenwhen large quantities of alloys are introducedVacuum carbon deoxidation

With RH-TOP lance Forced decarburization Adjustment of C:O ratio DesulfurizationAdjustment of steel temperature by chemicalheatingSkull removalHeating of vessel by means of integrated gasburner function

Vacuum process technologies

RH, RH-TOP

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RH-ROCKERTYPE® – A BOOST FOR

SAFETY

The RH-RockerType® unit has been engineered tosignificantly increase the performance parameters ofRH processes. This well proven yet future-orientedsolution provides safe, reliable RH operation.

The origin of RH-RockerType® technology from SMSMevac goes back to the 1950s. Its main purposethen was to safely lower the vacuum vessel systemand immerse the snorkels into the liquid steel in asimple and reliable way. The system stands outbecause of its user-friendly operation and mainte-nance.

Recently, RH-RockerType® technology has been fur-ther improved. It now smoothly lifts and lowers theladle instead of the vacuum vessel system. Manyuseful features have been added.

INCREASED EFFICIENCY

To speed up your intra-logistic processes in the RHplant, the ladle lifting RH-RockerType® can use twoladle cars. One of them brings the ladle to the RHstation for treatment. After treatment, another cartakes it to the caster area while the first ladle carbrings the next ladle.

This design supports flexible processes, since thefirst ladle car can be recharged while the ladle isbeing treated. Depending on the layout of the steelshop, this greatly improves your ladle transportationlogistics. The resulting advantages can be imple-mented both in single treatment stations as well asin our fast vessel exchange units.

Since the alloy system and the vacuum pump arefixed directly to the vacuum vessel system, no spe-cial conveyors or moving vacuum ductwork arerequired.

A KEY TO LASTING RELIABILITY

Two hydraulic cylinders are installed to operate thelifting and lowering processes of the ladle. For nor-mal operations, they are mechanically synchronized.In the case of an electric power failure, the ladle islowered safely onto the ladle car in a controlled wayby gravity. Maintenance of the complete hydraulicsystem is simple and straightforward. The RH-Rock-erType® unit is very well protected against liquid steelsplashes and liquid steel from a ladle break-out.

In comparison to vacuum vessel lifting installations,there is much better access to the vacuum vesselplatform. Similarly the automatic sampler and otherauxiliary equipment are easily accessed.

For safety and efficiency reasons RH-RockerType®

technology will play an important role in future RHsecondary metallurgical infrastructure.

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RH, RH-TOP

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VD AND VD-OB TANK DEGASSERS

SMS Mevac’s tank degassers support EAF and BOFplants, permitting heat sizes of up to 400 t. Inert gasis introduced into the bottom of the ladle by meansof porous plugs. The process is characterized byslag-free tapping at the melting unit. The plantrequires an efficient vacuum pump system to meetthe specific requirements of the desired metallurgicalprocess.

Standard tank installations are fixed above or belowthe shop floor. Movable tank installations or twin tankinstallations substantially increase performance.

Metallurgical functionsHydrogen and nitrogen removal Decarburization to lowest levels Desulfurization by metal and slag reaction Efficient alloying and fine trimming with high accuracy Slag management Improvement of castability Homogenization of ladle contents

Additional applications using VD-OB lance systems:Oxygen blowing for forced decarburization fromhigh initial carbon levels, e.g. for the production ofultra-low carbon steel grades Oxygen blowing for chemical heating by aluminumoxidation

VACUUM INGOT CASTING (VIC)

An alternative application for Tank Degasser technol-ogy is VIC. The basic principle is stream degassing ofliquid steel poured under vacuum conditions to forman ingot situated in the vacuum tank. Beneath theremoval of gases oxygen pick-up from ambient air issafely prevented. Steel flow is controlled either by stopper rod or slidegate. Stations process ingots from 15 to 350 t.

Metallurgical functionsDegassingPrevention of oxygen pick-up during castingPrevention of re-oxidationReduction of macro inclusionsSignificant reduction of alumina inclusions


VD, VD-OB

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VOD TANK DEGASSERS

Vacuum Oxygen Decarburization units are needed instainless steel production in order to reach extra lowcarbon contents in an economical way.This advantage is due to reduced chromium oxidationthat results in less reduction agent consumption.VOD is still without any alternative in the productionof high-end stainless steels such as ferritic andsuper-ferritic grades. SMS Mevac supplied VOD unitsup to 200 t.

Metallurgical functions in addition to VD-OBForced decarburization of up to 1 % [C]Oxygen blowing at < 80 mbar pressureSlag reduction for chromium recovery

VODs are integrated into the production line in two ways:DUPLEX-line – EAF- (LF) –VOD - CCMTRIPLEX-line – EAF – AOD – (LF) – VOD – CCM

Basically similar to VD-OB the VOD units feature anadapted design due to the more violent character ofprocess Additional water-cooled parts and splash shield Design and control of the vacuum pump matchthe demanding processVacuum bag filters ensure waste gas cleaningfrom extra dust load

SMS Mevac offers a sophisticated metallurgicalmodel for operator support in achieving uniformresults with complex VOD process. Dynamic tracking of steel condition Dynamic calculation of set point valuesDynamic tracking and guidance of carbon contentbased upon waste gas dataThermal modelLeast-cost calculation of alloy additions


VOD

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ADVANCED STEEL QUALITY

STEELMAKING PROCESS ROUTE – EAF

Extra-deep drawing steelse.g. for automotive applications

SMS Mevac VD-OB Vacuum tank degasser- Decarburization- Deoxidation- Final trimming- Temperature adjustment

SMS Mevac LF Ladle furnace- Temperature adjustment

EAF Electric arc furnace, deslagging unit


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INTEGRATED PROCESSES

A growing number of advanced steel grades are basedon sequential treatment in a series of secondary metal-lurgy stations. These process routes combine comple-mentary technologies to produce steels at unique quali-ty levels. Finished products with high performanceprofiles originate from these high-quality steels.

Consistent reproducibility makes them preferred gradesfor high-level industrial applications. The technology ofthe steelmaking process and the required steel qualitydetermine the most suitable process route. SMSMevac’s full range of secondary metallurgy technologypermits a broad spectrum of combinations. Integratedtechnologies for atmospheric and vacuum processesdetermine the choice of the most appropriate routes.

LINE PIPE STEELS

Micro-alloyed line-pipe steels with high strength andHIC-resistant profiles can be produced on BOF or EAFroutes. Secondary metallurgy equipment consists ofSMS Mevac VD vacuum degassers and LF ladle fur-

naces for the EAF route, alternatively SMS Mevac LTSladle treatment stations, RH-TOP recirculationdegassers, LF ladle furnaces and an HMP hot metalpretreatment station to serve the BOF route.

EXTRA-DEEP DRAWING STEELS

The EAF route, for example for automotive applicationsuses SMS Mevac VD-OB vacuum degassers and LFladle furnaces. The BOF route combines SMS MevacHMP desulphurization units, LTS ladle treatment sta-tions and VD-OB tank degassers or RH-TOP recircula-tion degassers.

STAINLESS STEELS

The Duplex process route especially for the productionof ferritic grades combines SMS Mevac VOD vacuumoxygen decarburization technology and LF ladle fur-naces. The Triplex route is supported by SMS MevacHMP desulphurization units and VOD vacuum oxygendecarburization technology.

Advanced Steel Quality

PROCESS ROUTES+

STAINLESS STEEL PROCESS ROUTE

Stainless steelsfor ferritic low carbon and low nitrogen grades

SMS Mevac LF Ladle furnace- Slag conditioning- Temperature adjustment- Shape control- Cleanliness

SMS Mevac VOD Vacuum oxygen decarburization unit- Decarburization- Desulfurization- Final trimming

EAF Electric arc furnace, deslagging unit

STEELMAKING PROCESS ROUTE – BOF

Micro-alloyed high-strength steelse.g. for line pipes or shipbuilding

SMS Mevac LTS Ladle treatment station- Shape control, Ca-treatment

SMS Mevac RH-TOP Recirculation degasser- Degassing of H, N, final trimming, cleanliness

SMS Mevac LF Ladle furnace- Analysis, slag conditioning, temperature adjustment

BOF Basic oxygen furnace

SMS Mevac HMP Hot metal pretreatment station- Desulfurization

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SMS group Technologies and Applications

TERTIARY METALLURGICAL PLANTS / SPECIAL MELTING PROCESSESVIM, ESR, VAR

EXAMPLES FOR MATERIAL APPLICATIONS

PREFERRED TECHNOLOGIES

INDUSTRIESTECHNOLOGIES

ESR or VIM, ESR

ESR or VIM, ESR

ESR or VIM, ESR

ESR or VIM, ESR

ESR or VIM, ESR / VAR

ESR or VIM, ESR /VAR

ESR or VIM , ESR /VAR

ESR ,VAR or VIM, ESR, VAR









Chemical plant equipment



Electronic industry

Electronic industry

Oil and gas industry

Aviation and aerospace and power industryAviation and aerospace and power industryIndustry applications

Aviation and aerospace




Power stations

TERTIARY METALLURGICAL PLANTS

In 2011 SMS Mevac GmbH started to market itsnew tertiary metallurgical plants. Clearly reflected atMETEC fair in technical presentations to a large num-ber of customers about the field of applications andfeatures. SMS Mevac supplies a comprehensiverange of plants, processes and services as full-liner inthe tertiary metallurgical sector. This program con-sists of VIM X-eed® smelting technology, ESR- X-eed® and VAR-X-eed® remelting technology.Reliable and safe facilities of advanced technologyPlant and process design based upon in-houseoperational know-howSophisticated process automationTrainingCustomer support Trouble shootingSupply of spare parts

Products processed in tertiary metallurgical plantsfeature a variety of unique technological properties insteels of highest purity, super alloys, cast alloys aswell as nonferrous metals. Accordingly the high per-formance, heavy duty materials find application indemanding high tech industries likeAviation and aerospacePower plantsAutomotive

There is not any alternative technology on the market.

Upstream Processing

Stainless steelsDuplex stainlessNi alloys

Stainless steelsDuplex stainlessNi alloysTitaniumZirconium

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SELECTED FINAL

PRODUCTS

BENEFITS FOR THE

FINAL CUSTOMER

Surface quality

Surface quality, long service life

Surface quality, long service life

Surface quality, high corrsion resistance, long service life

Superior technological and magentic properties

Superior technological properties

Surface quality, high corrosion resistance, long service life

Surface quality, superior technological properties, rotating parts applicationSurface quality, superior technological properties, rotating parts applicationSurface quality, superior technological properties,

Surface quality, superior technological properties,



Surface quality, superior technological properties, rotating parts applicationSurface quality, superior technological properties, rotating parts application

Tools, moulds for die-casting

Heat exchanger, nozzels

Wear parts for high volume manufacturingValves, fittings and pumps

Solenoids, electrods

Sensors, magnets, amorphous metalsDrill collars, bearings

Turbine blades

Discs and shafts

Body and engine

Fasteners

Landing gear

Airfoil cores

Engine shafting

Electrical generators

Transport Storage



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SMS group Technologies and Applications

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VACUUM INDUCTION MELTING

& CASTING

Vacuum Induction Melting & Casting (VIM) is a high-end process for melting down selected scrap andrefining the resulting liquid steel in a powerful manner.The capability to perform ingot casting under vacuumconditions further improves the final product quality.SMS Mevac supplied a 8/18 t VIM unit to a customerin the UK. The plant is to be commissioned in 2015.

Metallurgical functions“Clean” inductive heat transferVacuum conditions of < 0.05 mbar Massive degassing of steel No influence of ambient air (O2)Evaporation of tramp elementsNarrow chemical steel analysis (in ppm range)Precise setting of temperature and excellent homogeneity of meltVacuum casting of electrodes for remelting andsemis for forging/rolling

VIM features dedicated vacuum chambers for melt-ing and casting connected by launder and tundish.The crucible has vacuum-tight electrical power sup-ply and can be exchanged easily via advanced liftingsystem. The mechanical pump system generatesextra-deep vacuum. A charger ensures clean materialaddition under vacuum conditions. Direct slagremoval is enabled by integrated deslaggingmachine.

Tertiary metallurgical plants / Special melting processes

VIM

ELECTRO SLAG REMELTING /

VACUUM ARC REMELTING

Common feature of remelting processes are themelt-down of a metal electrode, the metallurgicaltreatment of the liquid phase and the subsequentuniquely fast solidification an ingot. The ingots pro-duced feature superior material properties as:

Highest cleanliness (purity) No macro segregationExtremely homogenous structure of producedingot for excellent material propertiesNo hydrogen flakes

These products represent the top end of technologi-cal properties in metals.

Tertiary metallurgical plants / Special melting processes

ESR, VAR


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ESR – ELECTRO SLAG REMELTING

FeaturesMelt-down in liquid slag created by resistanceheatingInert atmosphereLowest sulfur content and excellent cleanlinessHigh yieldIngot diameter from 300 to 1600 mmIngot weight from 2 to 160 t

VAR – VACUUM ARC REMELTING

FeaturesMelt-down by electric arc under vacuum of 0.004 mbarEvaporation of tramp elementsUtmost degassingExcellent cleanlinessNo risk of freckle formationExtra-high accuracy of final chemistryIngot diameter from 300 to 1000 mmIngot weight from 1 to 30 t

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METALLURGICAL PROCESS ROUTES

Production routeSINGLE MELT

VD/VOD ➔ ESR or VAR

VD/VODX-eed ®

ESUX-eed ®

VARX-eed ®

Production routeDOUBLE MELT

VIM ➔ ESR or VAR

VIM X-eed ®

ESRX-eed ®

VARX-eed ®

In order to achieve the excellent final product proper-ties different process routes are available and applieddepending on the individual request.

Hot processing of the ingots from VIM, ESR and VARto semi-finished product is performed byForging Longitudinal forgingOpen die forgingForging pressesHot rolling

Material processed via single or double melt route isused for components in industrial, chemical and off-shore applications:Tooling, moulds for die-castingHeat exchanger, nozzlesWear parts for high-volume manufacturingValves, fittings, pumps

Solenoids, electrodes, drill collarsBearings, sensorsMagnets, amorphous metals

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Production routeTRIPLE MELTVIM ➔ ESR

VIM X-eed ®

VARX-eed ®

ESUX-eed ®

Material processed via triple melt route is used forcomponents in aerospace and jet engines applications:Turbine blade, disc, shaft body, engine fastenerLanding gear Airfoil coresElectrical generatorsAvionicsPneumatic ducting

EFFECTIVE VACUUM TREATMENT

High-performance vacuum pumps from SMS Mevacare the heart of secondary metallurgical vacuumprocesses. For both recirculation or tank degassingprocesses, our vacuum pump technologies are tunedto your specific steel conditions and to your individ-ual plant and production requirements.

Our vacuum pump systems precisely controlthe rate of pressure reduction from atmospheric levelto low vacuum pressure. During the various treat-ment steps the vacuum level is accurately controlledto match the system’s metallurgical needs.


VACUUM PUMPS


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In order to deliver optimum results high suctioncapacity, low energy consumption and optimal relia-bility are essential elements of our design.

VACUUM PUMP TECHNOLOGY

FOR YOUR PROCESS

Three technologies form the cornerstones ofSMS Mevac’s vacuum systems:Steam ejector vacuum pumpsSteam ejectors with water ring pumps Dry mechanical pump systems.

STEAM EJECTOR VACUUM PUMP (SVP)

SMS Mevac steam ejector vacuum pumps are multistage systems successfully in use in steel shopsover decades. These pumps still set the state-of-theart standard and feature the following:High performanceMinimum steam consumptionMinimum condenser cooling-water consumptionDirect performance control via nozzles with needle valve technologyReliable, long-term operation

No rotating partsRobust designEasy maintennaceSteam saving by water ring pumps in atmosphericstageOptional waste gas cooling and cleaning system

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MECHANICAL VACUUM PUMP (MVP)

SMS Mevac mechanical vacuum pump systems feature the following:Low operational costHigh availability and maximum flexibility,Minimum electrical power consumption,Modular, easy-to-extend configuration for bothpump skids and pump systems,

No water pollution and no requirement for steamgenerationExcellent control of suction capacity and pressureWaste gas cooling and cleaning systemCompliance with ATEX

The selection of a specific technology depends onthe respective conditions in the secondary metallurgi-cal plant. Availability of utilities, metallurgical needsand the balance of operational and investment costsare basic considerations for our individual, high-per-formance concepts.

ENGINEERING EXPERIENCE

SMS Mevac has decades of pioneering experience invarious vacuum pump technologies.

In 1956 SMS Mevac built its first steam ejector vacu-um pump for the vacuum treatment processing ofliquid steel. Since 1960, we have also designedplants with mechanical vacuum pumps.

In 1985 our four-stage steam ejectors replaced theformer five-stage version for high cooling-water tem-peratures. For advanced splash control, our RH-SC®

with variable steam nozzles was launched in 2000.And in 2006 we introduced our Triple-S-technologyfor reduced consumption of cooling water.

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AUTOMATION SYSTEMS


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SMS MEVAC’S

AUTOMATION SYSTEMS

Advanced electrical systems, automation and instru-mentation bring together the balanceof product quality, safety, energy and media con-sumption and reliable operations. SMS Mevac’sLevel 1 and Level 2 automation systems link thesefunctions, allowing highly efficient plant operation.

MANAGEMENT SUPPORT AND

CONTINUOUS IMPROVEMENT

Secondary metallurgy automation is linked to thesteelwork’s Level 3 system, providing full informationand reporting systems and supporting the schedulingof heats.

Metallurgical and thermal models, least-cost calcula-tions and process simulation assist your specialists incontinuously improving your processes.

OPERATOR SUPPORT

Ergonomic HMIs are supported by state-of-the-arttechnology. Operators obtain up-to-the-minute infor-mation to safely control secondary metallurgicalprocesses.

Maximum safety is provided by interlock indicationregarding HMI, sequence control, equipment andfunctional interlocks, pin-pointing failures and moni-toring of critical processes such as media flow andpossible leakage.

A WELL-PROVEN BRAND

SMS Mevac and SMS Siemag express their greatpassion for steelmaking by sharing the unmatched X-Pact® automation brand for their plant and processcontrol systems.

This gives additional assurance of highest quality toour customers.

Automation systems

PLANT AND PROCESS CONTROL SYSTEMS

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SERVICE SPECTRUM


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LIFECYCLE-ORIENTED CARE

Secondary metallurgical plants from SMS Mevac arehighly reliable and maintenance-friendly.Care for our customer’s plant starts even beforehanding over.

Our vast spectrum of consulting services begins withthe feasibility study – based on the individual strate-gy of the customer. We discuss alternative solutionswith regard to technologies and economics. By usingextended 3D simulation programs we fine-tune thefinal layout of each component.

TRAINING PROGRAMS

Individual training packages provide sound knowledgeand motivation to the prospective teams - from opera-tion routines to automation details and safety measures.

A combination of initial off-site training courses at theSMS Mevac headquarters or at suitable partner plantsplus continuous on-site workshops provide advancedknow-how for successful long-term operations.

MAINTENANCE AND SPARE-PARTS

Monitoring of the plant’s performance by our special-ists along with preventive maintenance packageseffectively reduce costly downtimes needed for fault-

finding and trouble-shooting activities. Our after-sales service supplies the required OEM spare partsfor our customer’s plants ensuring continuous highperformance of the equipment.

UPGRADING, MODERNIZATION,

AND REVAMPING

Depending on your plant’s lifecycle stage, a periodicupdate of special innovations and improvements pro-vides optimum return on your investment. Our spe-cialists’ recommendations focus on metallurgy,process technology, engineering and automation.

SMS Mevac is very experienced in careful planning toensure minimum down times for the required activi-ties. Fast return-on-investment after modernizationsupports our customer’s economic and market targets.

For these reasons, our broad service spectrum pro-vides efficient lifecycle maintenance to our cus-tomer’s secondary metallurgical operations.

As a recent development SMS Mevac provides 3-D-laser-scans of existing plants. The service comprisesentire production units as well as major componentsof the equipment. Different applications of the scanseither serve to facilitate revamping investigations orto check the correct alignment of equipment.

SERVICE SPECTRUM

LIFECYCLE MAINTENANCE

“The information provided in this brochure contains a general description of the performance characteristics of the products concerned. The actual products may not always have thesecharacteristics as described and, in particular, these may change as a result of further developments of the products. The provision of this information is not intended to have and willnot have legal effect. An obligation to deliver products having particular characteristics shall only exist if expressly agreed in the terms of the contract.”

SMS Mevac GmbH

Bamlerstrasse 3a45141 Essen, Germany

Phone: +49 201 6323-0Telefax: +49 201 6323-200

E-mail: [email protected]: www.sms-mevac.com H5-305E

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