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Coating and pickling surface treatment services for heavy machinery

Kumera Machinery Oy offers a large selection of surface treatments as an integral part of our equipment and also as a separate custom designed service. Our state-of-the-art paint shop is competent in coating large and heavy components with dimensions up to 6000 x 6000 x 30000 mm and a weight up to 20 t with a painting system according to the customer’s wishes. The shop is equipped with an air conditioning system and is a dust-free zone. Surface preparation is carried out with abrasive blast-cleaning. Our blast-cleaning facility is able to reach a preparation grade of very thorough blast-cleaning.

Welding and other hot working processes leave an oxide layer on the surface of a steel component. This can be seen as a change of color near the hot worked areas. This layer can be removed with an acid solution in a process called pickling. Pickling also cleans the surface from contaminants and impurities. Large and heavy components can equally be handled at our pickling facility.

Surface treatment services:

  • We offer a large selection of surface treatments as an integral part of our products and also as a separate custom-designed service.
  • Surface preparation is done with abrasive blast-cleaning.
  • Even the largest components can be coated with high quality at the paint shop for industrial scale products.
  • The oxide layer caused by welding or other hot working processes can be removed at our pickling facility.


  • Holding an “ASME U” Stamp which allows pressure vessel deliveries to, mainly, the Americas.
  • Capable of PED (Pressure Equipment EU Directive (97/23/EC)) pressure equipment deliveries in the European Community in accordance with the module G (EC unit verification).
  • Capable of working under the rules and surveillance of maritime classification societies.
  • Certified to comply with the requirements of ISO 9001 Quality Management Systems, ISO 3834-2 Quality Requirements for fusion welding of metallic materials, and ISO 14001 Environmental Management Systems.

Coating surface

Kumera Corporation, Kumerankatu 2 FI-11100 Riihimäki, Finland Tel. +358 20 7554 200[email protected] legal notice / Code of Conduct