Wrought iron railings represent a composition of cut steel profiles and decorative steel elements made of S235JR steel according to the BDS (Bulgarian Institute for Standardization) EN 10219, firmly attached to different surfaces with a wide range of decorations and a variety of colors and color effects. They are characterized by great sturdiness and allow a variety of architectural and artistic combinations. They consist of square, rectangular or round columns, twisted or drawn iron, vertically anchored to the concrete structure of the building, a horizontal handrail and filling in various combinations of steel profiles, ornaments, applications, glass and others. To achieve great sturdiness the profiles are MIG/MAG welded, and the durability of the paint is achieved by powder priming, powder coating or patina.
Wrought iron railings are made of steel profiles S235JR according to the EN 10219 with a thickness of 2 mm and more. After the technician has taken measurements and the entire railing project is prepared, the steel is cut at a precise angle and size and then welded in the architectural design of your choosing. Decorations, trims, scrolls, rings, baskets, or panels, selected by the customer, are added to the wrought iron railings, and then the finished product is sanded and degreased.
The pre-degreased and cleaned parts of the railing are powder coated, through electrostatic field in specialized cameras. In the subsequent calcination at an appropriately selected technological process, usually at 180-200ºC, the powder paint polymerizes and spills. The decorative patina is achieved with a special paint in shades such as gold, copper, silver, green, etc. Through that paint, the patina can acquire a finished look for literally five to ten minutes, but, of course, it requires a drying process. The paint is usually applied by a flat, semi-dry brush with smooth, sliding movements along the surface of the metal only on the convex sections.
The finished pieces of the railings are mounted by anchoring or welding on site. The anchoring is done by means of mechanical or chemical anchors with an elevated degree of fixation and rigidity.