Special Rolls

Hard Chrome Rolls

special-rolls3Hard chromium plating is a chemical coating of hard chrome at a temperature of 55°C directly to the desired location. Hard chromium plating is recommended in areas where abrasive wear is present, mechanical wear, where it is needed corrosion protection and high smoothness. Products that are hard chromium plated pistons, piston rods, cylinders inside, rolls, various rails, bearings, various snails, tools for plastic and metal casting. The thickness of the hard chromium is dependent on the requirements or needs. From 5 microns to 1 millimeter (possibly more).

Maximal diameter: 1200 mm
Maximal length: 6000 mm
Maximal weight: 10000 kg

With hard chrome plating we achieve:

  • High wear resistance
  • Good corrosion protection
  • High hardness up to 64 HRc – 1100 HV
  • High-temperature stability
  • Chemical-resistant surface
  • Low coefficient of friction
  • Good adhesion to the materials

Materials which can be chromed:

  • All-steel
  • Cast Iron
  • Cast steel
  • Inox
  • Bronze
  • Copper
  • Brass

High Grip Runout table roll


The productivity will be found, but not limited to, in several areas such as:

  • reduction of idle production hours due to less roll replacement,
  • less roll purchasing costs,
  • improved steel output capacity and improved steel surface quality,
  • less maintenance labor costs,
  • and many more…

Metal coatingspecial-rolls5

Product: Looper roll and runout table roll
Basic material: Steel
Type of coating: High grip, wear resistant
Surface to be coated: In accordance with client specification
Comment: Previously steel / stainless steel

Rubberizing Rollers (Industrial Rollers)

Among priorites of our offer belongs:

Around 100 sorts rubber mixture.


  • with excellent mechanical properties (abrasion resistance, solid in pull)
  • with heat resistance up to 200°C
  • with hight chemical resistance
  • electrically insulation
  • electrically conductive

Short production terms. Periodic trips to customers. Professional counselling.

Production possibilities:

  • To the average 1400 mm
  • To the balance 6 tons
  • To the length 6000 mm
  • Hardness 10 – 100 Shore

Use of rubberized rollers:

  • Production cover
  • Paper industry
  • Machine industry
  • Steel industry
  • Textile industry
  • And other industries

Basic sorts of our mixtures:

  • NBR (Nitrile – butadiene – rubber)
  • EPDM (Ethylene – propylene – rubber
  • IIR (Butyl – rubber)
  • CR (Chloroprene – rubber)
  • CSM (Chlorine – sulfonic polyethylene)
  • NR (Natural rubber)
  • SI (Silicone – rubber)
  • FPM (Fluorinated – hydrogen rubber)
  • SBR (Styrole – butadiene – rubber)
  • PU (Polyurethane)


special-rolls10Rollers with polyurethane blanket have got a wide range of use. Especially for their great mechanical properties they find exercise in plants, where are high claims on roller cover resistance against mechanical damage (abrasive wear, slitting throught), or there is a claim on a very exact and superior agents application for surface finish (coating pickling substances).

You can find them for example in machine industry, wood working and furniture industry or in production covers. In these branches they are first and foremost filling lacquering function, live rollers function, top rollers function, pulling rollers function, guide or transport rollers function.

The evidence, that we are in a top post in development division, production and polyurethane coating, agrees fact, that we are coating so special polyurethans, which are example electrically conductive, or temperature resistant up to 150°C.

Rolls for high temperatures


Centrifugally cast furnace rollers, up to 47 ¼” (1200mm) O.D., are supplied fully machined, dynamically balanced and ready to install.

Among the main applications:

• Continuous heat treatment furnaces for:

  • large plates
  • bars
  • tubes
  • coils
  • rod bundles

• Rollers for galvanizing plants

• Large diameter rollers for continuous strip annealing furnaces

• Rollers for hot strip mills including:

  • exit table rollers (with or without inside water cooling)
  • looper rollers
  • wrapper rollers
  • descaling rollers

• Rollers for continuous casting machines

• ”Dry” and ”Wet” rollers for thin slab tunnel furaces

• Exit table rollers for ”Stelmor mills”


  • Continuous annealing lines
  • Rolls for galvanizing lines
  • Rolls for vertical furnaces

Leghe alloys

Werkstoll Ref. EN Ref. Indictative cemical comp. Density Microstructure
Cr Ni Agg./add. g / cm3
2.4879 G-NiCr28W 28 48 W 8.2 Aust. + Carb.
2.4779 G-CoCr28Nb 28 - Co, Nb 8.2 Aust. + Carb.
2.4813 G-NiCr50Nb 50 50 Nb 8.0 Aust. + Carb.