... Stainless Steel such as ss304 ss304L ss316 ss316L...2) Surface Treatment: Hot dip galvanized , Painted , Untreated.3) Shape ... ,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm ... (Low Carbon Steel) or Stainless Steel 5) Surface Treatment:Untreated, Painting or Hot dip Galvanizing 6) Steel ... will get what you want! steel grating for Power plants Sewage treatment Municipal engineering