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.
Basically, FRP material consists of thermosetting resins and fiberglass. The combination of resin and glass fibers, makes the main ingredient of FRP products. The resin brings the environmental and chemical resistance to the product and is the binder for the glass fiber in the structural laminate. Based on the chemical and environmental circumstances (given by the customer or user), a resin type is selected.