Galvanized pipes are steel pipes that have been coated with zinc. This coating protects the steel from corrosion. It is most often used for outdoor constructions such as railings, handrails, or for some interior plumbing.
Medium Galvanized pipe SNI, SIO, SCH40, ISTW, Bakrie, Spindo, TM Size: 1/2 inch, 3/4 inch, 1 inch, 2 Inches, 3 Inches, 4 Inches, Inches 5, 6 Inches, 8 Inches, 10 inches, 12 inches, 14 inches, 16 inches, 18 inches, 20 inches, 24 inches.