JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. D1.A.4.2 Welded Plate Girders The AISC welded plate girder shapes (pages 2-230 and 2-231 – AISC 9th edition) are available in the Steel Section library of the program. 1 TO 10 TA ST B612010 15 16 TA ST B682210 Nomenclature Parent topic: D1.A.4 Built-in Steel Section Library