The solution stay in this diraction:
There are all catalogs, and is posible to create copy of anyone and change the name. It's important that the name started with RMAT.
In each xml file there are little manual in diferent lenguage with description how to create new material in catalog.
Start with some of our most frequented solutions to get help installing your software.
The AutoCAD Structural Detailing forum has moved into it's very own category page, and can no longer be found within the Additional Product Forums.