Hollow Iron pipe which is a type of building material that is much needed for various needs. Call it to make fence posts, house roofs, building construction materials, gas lines, water channels, and furniture materials. For this reason, metal pipes have several different sizes depending on their purpose. Hollow iron pipe which is a box-shaped pipe made of steel, stainless steel, or Galvanized iron. hollow iron pipes are often used as material for construction accessories such as ceilings, canopies, fences, and gates. Hollow iron pipes with various advantages of fire resistance because hollow iron pipes have the main material and coating that can prevent fire from entering and damaging the main part of the pipe.