Electric Resistant Steel Conduits are available in sizes from 20 mm to 50 mm with two type of protective coatings against external influences. The Conduits can be availed in two types such as stove enamelled for medium protection and hot dip galvanized for heavy protection. The Conduits have outer diameter ranging from 20 to 50 mm, tolerance on outside diameter ranging from -0.30 to -0.50 mm and has minimum outside diameter ranging from 19.70 to 49.50 mm. The Electric Resistant Steel Conduits have wall thickness ranging from 1.40 to 2.20 mm.