1 an open structure that gives shape and support to something, such as the transverse stiffening ribs of a ship's hull or an aircraft's fuselage or the skeletal beams and uprights of a building. 2 an enclosing case or border into which something is fitted.
Metal; Ferrous Metal; Austenitic; Cast Iron. Material Notes: Type CRS is an austenitic material with graphite in the nodular form. It conforms to ASTM designation A439-60T and provides much higher strength than type CR with excellent resistance to corrosion, wear and heat.
HSS Products. 1  Atlas Tube manufactures hollow structural sections (HSS), Jumbo HSS, ASTM A1085, and Epox-Z-Kote powder-primed tubing. 2  Tools, calculators, white papers, case studies, videos, and more for engineering and design professionals in the structural steel industry. 3  VectorBloc is a scalable multi-site precision modular construction system.