CORROSION STUDIES

Atmospheric and soil corrosion studies for metallic elements of carbon steel, zinc, copper and aluminum

ATMOSPHERIC AND SOIL CORROSION STUDIES

ATMOSPHERIC CORROSION STUDIES

Studies of atmospheric corrosion in projects for metallic elements of carbon steel, copper and aluminum, depending on the atmospheric conditions of the site and the useful life of the facility. Estimation of the category of atmospheric corrosion from databases and bibliographic sources (temperature, humidity, contamination, SO2 and Cl- deposition rates) and determination of the category of atmospheric corrosion from Wire-on-Bolt and Plate tests with measurement of atmospheric action in-situ according to G116-99 and UNE-EN ISO 9223:2012.
  • Definition of the corrosion category
  • Definition of galvanizing thickness
  • Definition of protective paints
Studies according to current applicable international regulations.
  • EN ISO 9223:2012 Corrosion of metals and alloys. Corrosiveness of atmospheres. Classification, determination and estimation.
  • EN ISO 14713-1:2017. Zinc coatings. Guidelines and recommendations for the protection against corrosion of iron and steel structures. Part 1: General principles of design and corrosion resistance.
  • EN ISO 12944-1:2018. Paints and varnishes. Protection of steel structures against corrosion through protective paint systems.

SOIL CORROSION STUDIES

Soil corrosion studies in facilities for metallic elements depending on the soil conditions. Determination of corrosion potential in the phase of the geotechnical study and determination of the category of corrosion.
Studies according to current applicable international regulations.
  • DIN 50929-3:2018. Corrosion of metals – Corrosion likelihood of metallic materials when subject to corrosion from the outside – Part 3: Buried and underwater pipelines and structural components.
  • DVGW GW 9:2011. Evaluation of soils in view of their corrosion behaviour towards buried pipelines and vessels of non alloyed iron materials.
  • AWWA C105/A21.5-18. Polyethylene encasement for ductile-iron pipe systems.
  • EN 12501-1:2003. Protection of metallic materials against corrosion.
Corrosion Assessment
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