Selecting the appropriate piping material is essential for ensuring long-term project success. The comparison of GI Pipe vs Iron Pipe reveals important differences in durability, maintenance, corrosion resistance, and cost. GI pipes are often preferred for water supply and outdoor applications because of their galvanized coating, while iron pipes are valued for their high strength and load-bearing capabilities. This guide provides insights into their manufacturing characteristics, practical applications, installation methods, and performance under different operating conditions, helping construction professionals make better purchasing and design decisions.