First, the reinforced elements must be selected. Use the "by materials" selection type to select the elements.
A dialog box displays the list of all materials within the model.
The elements of S235 are automatically selected.
Next, launch the "File - Export - GRAITEC BIM " command.
In this case it is recommended to export only the current selection.
After the GTC file import, the steel structure is loaded in Advance Steel.