Black oxide treatment is a process that covers the surface of metals with a thin layer of oxides. It is used, for example, in securing car parts, tools or screws. Details are covered with a black, non-uniform substance that is resistant to chipping. Due to the color obtained through this process, it is commonly called blackening.
We oxidize steel using the chemical method. To do this, we immerse steel objects in a solution of sodium hydroxide and sodium nitrite. It is worth emphasizing that this solution must have a boiling point. After the bath, the elements are immersed in oil to protect against corrosion.
We oxidise steel in our Galvanizing Plant in Bielsko-Biała, ul. Bestwińska 100.
Free consultations on the preparation of details and structures for hot-dip galvanizing in our galvanizing plant. If necessary and for larger orders, it is possible to travel to the customer to see the details for galvanizing and discuss their preparation.
In the case of an order that also includes powder coating in our paint shop, galvanized details are subjected to additional mechanical processing, as if "ready". The works are performed in accordance with the PN-EN ISO 1461 standard
Our experience in applying anti-corrosion coatings dates back to the 1980s. During this time, we have gained knowledge and experience that allow us to carry out orders from large domestic and foreign partners.
We have hot-dip galvanizing lines of various sizes in our branches. Small elements are hot-dip galvanized on the so-called centrifuge. Large elements and structures are galvanized on a modern production line with dimensions of 7m x 3m x 1.6m.
A full range of anti-corrosion protection services (including hot-dip galvanizing, electro-galvanizing and anodizing) and metalworking (e.g. CNC machining, edge bending, laser cutting, welding) in our own plants means short delivery times and affordable prices.
Membership in the Polish Galvanizing Society, the use of PN – EN ISO – 1461 standards or the finally implemented Quality Management System EN ISO 9001: 2008 mean that we care for compliance with procedures at every stage of the company's operations.