... form the hexagonal apertures. Hexsteel grating are mainly used in Reactor vessels, Ducts, Furnaces, Cyclones, Flue gas line, etc, can largely ... , Cr25Ni20 SUS304 SUS316etc, Usage: Hexsteel grating are mainly used in Reactor vessels, Ducts, Furnaces, Cyclones, Flue gas line, etc, can largely ...