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INDUSTRIAL STEELMAKING

Steel Plant Services & Industrial Maintenance

Spare parts, equipment and consumables for steel plants, continuous casting, rolling and auxiliary installations. COTI structures your procurement around technical references and delivery requirements.

17technical families386component familiesFR / ENbilingual support
Hot rolling of incandescent steel
Illustrative photograph of a steelmaking facility.

Sourcing for this range is limited to products of North American or European origin. Manufacturing origin, traceability, references and conformity documentation are to be confirmed in each offer before ordering.

PRODUCTION AND FACILITIES

Supporting steel plant operations

Photographs of third-party facilities, shown for illustration.

COTI · PDF

PDF catalogues: steelmaking parts and equipment

Explore 386 component families with specifications, materials, replacement criteria, conformity documents and available photographs.

Steel plant services

Services for every production stage

Normative references apply according to equipment, process and contract. They do not represent certification held by COTI; required documentation is specified in the offer.

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Electric arc furnace — melting and charging

A · 42 component families

Electric arc furnace — melting and charging

Critical parts and consumables for electric melting, charging, electrode regulation and furnace cooling circuits.

  • Graphite electrodes — diameter, length, UHP/HP/RP grade
  • Threaded electrode pins and sockets
  • Furnace transformer and tap changer
  • Furnace reactor and network compensation as applicable
  • Conductive electrode support arms
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Ladles and secondary metallurgy

B · 25 component families

Ladles and secondary metallurgy

Ladle components, refractories, closure systems and ladle-furnace parts for molten-steel transfer and refining.

  • Ladle body, shell and stiffeners
  • Trunnions, rings, lifting yokes and attachments
  • Ladle-specific hooks and lifting attachments
  • Bottom and wall safety lining
  • Bottom and wall working lining
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Continuous billet casting — CCM

C · 35 component families

Continuous billet casting — CCM

Mould components, rolls, oscillation, cooling and withdrawal parts matched to your continuous billet caster.

  • Tundish — shell, lid and car
  • Tundish linings, dams and weirs
  • Submerged or open nozzles according to process
  • Tundish stopper rods and slide gates according to design
  • Tundish preheating — burners and accessories
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Hot rolling mill — bars and wire rod

D · 41 component families

Hot rolling mill — bars and wire rod

Rolls, guides, stands, drives and finishing parts for bar, rebar and wire-rod rolling mills.

  • Reheating furnace — walking beam or pusher
  • Burners, igniters and flame detectors
  • Reheating roof, wall and hearth refractories
  • Furnace skids, supports and insulation
  • Furnace doors, pushers and discharge equipment
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Descaling and high-pressure water

E · 10 component families

Descaling and high-pressure water

Pumps, nozzles, nozzle holders and high-pressure circuit components specified for flow, pressure and rolled product.

  • Descaling pumps — validate the 100–200 bar range
  • Pump impellers, shafts and internal parts
  • Mechanical seals and seal kits
  • Descaling nozzles and inserts
  • Nozzle holders and spray headers
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  • High-pressure water plunger pump
    Descaling pumps — validate the 100–200 bar rangeHydraulic specification; API 610 for eligible service; EN 10204: 3.1 / 3.2 document as contractedAPI · EN 10204PDF details
  • Pump impellers, shafts and internal partsHydraulic specification; API 610 for eligible service; EN 10204: 3.1 / 3.2 document as contractedAPI · EN 10204PDF details
  • Mechanical seals and seal kits
    Mechanical seals and seal kitsHydraulic specification; API 610 for eligible service; EN 10204: 3.1 / 3.2 document as contractedAPI · EN 10204PDF details
  • High-pressure descaling nozzles
    Descaling nozzles and insertsEN 15949 (assembly); EN 10204: 3.1 / 3.2 document as contractedEN 15949 · EN 10204PDF details
  • Nozzle holders and spray headersDrawing and specification to be established; EN 10204: 3.1 / 3.2 document as contractedEN 10204PDF details
  • Water pressure-regulating valves
    High-pressure isolation and control valvesASME B16.34 according to type; API 598 by contract; EN 10204: 3.1 / 3.2 document as contractedASME B16 · API · EN 10204PDF details
  • Bolted flanged joint
    High-pressure piping, flanges and fittingsASTM A53/A106 according to pipe; ASME B31.3; EN 10204: 3.1 / 3.2 document as contractedASTM material specifications · ASME B31.3 · EN 10204PDF details
  • High-pressure water filters and elementsASME B31.3 for piping; specify vessel code; EN 10204: 3.1 / 3.2 document as contractedASME B31.3 · EN 10204PDF details
  • Piston hydraulic accumulators
    Pulsation dampeners and accumulators if installedASME BPVC VIII or EN 13445 according to parent vessel; EN 10204: 3.1 / 3.2 document as contractedpressure vessels · unfired pressure vessels · EN 10204PDF details
  • Pressure gauge — dial and connection
    Pressure, flow and temperature instrumentationIEC 61000 (EMC, applicable part); electrical specificationelectromagnetic compatibilityPDF details
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Hydraulics, fluids and lubrication

F · 28 component families

Hydraulics, fluids and lubrication

Sourcing for power units, cylinders, servo valves, accumulators, filters and lubrication systems supporting production equipment.

  • Hydraulic power units — reservoirs and frames
  • Axial or radial piston pumps
  • Gear and standby pumps
  • Pump couplings and bell housings
  • Electrohydraulic servo valves
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Compressed air and pneumatics

G · 14 component families

Compressed air and pneumatics

Compressors, dryers, air preparation, directional valves and cylinders for plant pneumatic networks and automation.

  • Air compressors — screw or specified technology
  • Compressor elements, belts and couplings
  • Refrigerated or adsorption dryers
  • Desiccants and dryer kits
  • Air receivers and safety accessories
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Industrial valves and actuators

H · 17 component families

Industrial valves and actuators

Isolation, control and safety valves, with actuators and maintenance kits matched to fluids and service conditions.

  • Butterfly valves — wafer, lug or flanged to suit network
  • Ball valves — full/reduced bore
  • Check valves — dual-plate, piston or swing
  • Gate valves — wedge type
  • Knife-gate valves — distinct from wedge gate valves
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Machine and circuit filtration

I · 15 component families

Machine and circuit filtration

Filter elements and accessories for hydraulic circuits, oils, fuels, compressed air and auxiliary equipment.

  • Compressor intake air filters
  • Engine and auxiliary-generator air filters
  • Cabin and ventilation air filters
  • Engine oil filters
  • Gearbox and circulating-oil filters
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Piping, structures and assemblies

J · 18 component families

Piping, structures and assemblies

Pipes, fittings, flanges, gaskets, fasteners and structures for industrial networks, repairs and installation work.

  • ERW steel pipes — diameter, wall thickness and grade
  • Seamless steel pipes — service and temperature
  • Line pipe — API 5L only where specified
  • Stainless-steel piping — establish grade/standard
  • Forged ASME flanges and European PN flanges
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Electrical, automation and instrumentation

K · 32 component families

Electrical, automation and instrumentation

Motors, drives, PLCs, cables, protective devices and instrumentation to control, monitor and protect production lines.

  • AC motors — power, cooling and duty
  • DC motors — brushes, commutators and ventilation
  • Motor bearings, seals and fans
  • Variable frequency drives and power modules
  • Rectifiers and DC drives
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Dedusting, water and environmental management

L · 21 component families

Dedusting, water and environmental management

Fume-extraction parts, bag filters, fans and water-treatment components for plant environmental systems.

  • Primary furnace fume extraction
  • Secondary hoods and extraction ducts
  • Ducts, elbows, expansion joints and liners
  • Bag filters — housings and chambers
  • Filter bags and media to suit temperature
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Raw materials and metallurgical consumables

M · 22 component families

Raw materials and metallurgical consumables

Iron ore and pellets, DRI/HBI, scrap, fluxes, ferroalloys and metallurgical consumables, according to the process route and buyer specifications.

  • Steel scrap — classes, cleanliness and dimensions
  • DRI — composition, metallization and fines
  • HBI — only where used as feedstock
  • Iron ore/pellets — for an integrated DRI route
  • Quicklime — CaO content and reactivity
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Integrated direct reduction — additional equipment

N · 18 component families

Integrated direct reduction — additional equipment

Additional direct-reduction equipment for plants using this route, according to installed technology and equipment documentation.

  • Ore/pellet handling — conveyors and chutes
  • Screens, sieves and fines-separation parts
  • Hoppers, feeders and charging valves
  • Shaft furnace — shell and drawing-specific elements
  • Shaft furnace refractories and anchors
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Cooling, energy and distribution utilities

O · 15 component families

Cooling, energy and distribution utilities

Cooling, heat-transfer, energy-distribution and utility parts supporting production equipment availability.

  • Cooling-water and standby pumps
  • Water/water and water/oil heat exchangers
  • Cooling towers — fill and drift eliminators
  • Tower fans, gearboxes and drives
  • Cooling tanks, headers and valves
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Finishing, quality control and packaging

P · 14 component families

Finishing, quality control and packaging

Finishing, testing, measurement, tying and packaging equipment for product inspection and shipment preparation.

  • Cut-to-length shearing and measuring stops
  • Bar collecting, counting and alignment
  • Bundling, strapping and bundle tying
  • Tying wire, strapping and ties
  • Bundle and coil weighing
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Mechanical maintenance, lifting and workshop

Q · 19 component families

Mechanical maintenance, lifting and workshop

Mechanical parts, lifting accessories, tools and workshop consumables for routine interventions and planned shutdowns.

  • Bearings — radial, thrust and heavy-duty
  • Bearing housings, rings, bushes and plain bearings
  • Gears, shafts and gearbox parts
  • Couplings, cardan shafts and flexible elements
  • Belts, chains, pulleys and sprockets
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Reference or drawing, quantities, service conditions, required documents and delivery date.

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Hot-strip and cold-rolling services

ADDITIONAL PROCESS ROUTES

Hot-strip and cold-rolling services

Work and backup rolls, heavy-duty bearings, descaling nozzles, high-pressure pumps and shear blades. For cold rolling: precision rolls, radiant tubes, annealing rolls, hydraulic servo valves and coolant filtration. Supply is matched to the installed line and distinguished from rebar-mill equipment.

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A structured sourcing process

01

Qualification

Equipment, reference, drawing, quantities, operating conditions and required lead time.

02

Sourcing & comparison

Supplier identification and comparison of offers against the specification.

03

Document review

Datasheets, material certificates, tests and inspection according to agreed requirements.

04

Logistics & follow-up

Packaging, freight, documentation coordination and delivery tracking under the accepted offer.

Requirements matched to your production route

Direct reduction, electric melting, continuous casting and rolling require different parts. Long-product plants, hot-strip mills and cold-rolling mills do not all use the same configuration: we start with your installed equipment, not a universal parts list.

Parts and consumables based on manufacturer documentation : Primetals Technologies · Midrex Global Solutions. Independent technical references; no affiliation is claimed.

Steel products: complementary supply on request

Rebar, wire rod, billets and other steel products remain available in a secondary section. They support project works without replacing our presentation of services for industrial plants.

View steel products and technical sheets

Relevant certificates and conformity documents are requested according to the product, validity and buyer requirements. Site visits or verification can be coordinated subject to the relevant site's approval.

Real, illustrative photograph. Third-party facilities and people; no affiliation with COTI is claimed.