SAP2000 ships with the following section databases that can be accessed using the Define menu > Section Properties > Frame Sections command or the Assign menu > Frame > Frame Sections command.
AA6061-T6.pro: AA standard sections for 6061-T6 extruded aluminum
AISC3.pro: American Institute of Steel Construction shapes V3
AusNzV8.pro: Australian and New Zealand steel shapes
BSShapes.pro: British Standards steel shapes
Chinese.pro: Chinese steel shapes
CISC.pro: Canadian Institute of Steel Construction shapes
Euro.pro: European steel shapes
Indian.pro: Steel shapes in accordance with specifications from India
Sections8.pro: American Institute of Steel Construction shapes V3
Sections.pro: American Institute of Steel Construction shapes V2
By default, SAP2000 will open the Sections8.pro database when a selection is made in the Import {Frame Type} drop-down list on the Frame Properties form. When SAP2000 is shipped, Sections8.pro is the same as AISC3.pro. Sections8.pro can be overwritten with any other user-specified section database if desired.