... Material:unalloy titanium. *2)Grade:Gr2. *3)Feature:acid,alkali and corrosive resistance. *4)Application:industrial field Hexagon flange titanium ... corrosive envirmnment, chemical industry, petrochemical industry, textile printing and dyeing, seawater desalination field, surgical implant, all field using ... -12030-12035-16040-200 Our motto: value first,quality first,service first and customer first.