This all-new Sixth Edition of the Manual is based on the new Specification, and is oriented toward the use of ASTM A36 and higher strength steels in keeping with modern building technology and economy of materials. Some of the outstanding developments treated in the tables and text are:
New higher strength steels,
Composite design beams,
All-new plate girder design,
Plastic design in steel,
Square and rectangular tubular sections,
Ten completely new tables of connections,
High strength bolt standards,
New welded joins and welding processes,
New AISC Specification,
High strength open web steel joists.
