Steel Pipe (HA) CAD Blocks Posted on April 8, 2017December 1, 2018 Steel Pipe (HA) In dwg file format for AutoCAD and other 2D Software Steel Pipe (HA) In dwg file format for AutoCAD and other 2D Software [wpfilebase tag=list id=11 tpl=data-table pagenav=1 /] chs Hollow Section hollow tube Steel Pipe steel sections