In Advance Steel there are two categories of drawings, general drawings and workshop drawings.
If the "Use color ByLayer in overview drawings, for visible lines" default is set to 1, then the color of visible lines display in general drawings will be the same as the color used from the layer corresponding with the model.
If the default "Use color ByLayer in overview drawings, for visible lines" is set to 0, then the color of visible lines of the elements in workshop drawings will be set according to the "Color of visible lines" default.
The other line types that appear in drawings will be set similar with the default for visible lines. The defaults are: