Hexsteel grid 1 has passed ISO9001:2000 ... . Tortoise Shell is also known as Hexsteel grill or Hexsteel grid, provides surface framework for reinforcement of ... to each other to form the hexagonal apertures. Hexsteel grating are mainly used in Reactor vessels, Ducts ... OCr13,1Cr13,0Cr18Ni9,1Cr18Ni9Ti , Cr25Ni20 SUS304 SUS316etc, Usage: Hexsteel grating are mainly used in Reactor vessels, Ducts, Furnaces ...