Round Galvanized Iron Pipe

Base Metal Composition (Carbon Steel):

Element Percentage by Weight
Iron (Fe) Balance (typically 98% or more)
Carbon (C) 0.06 – 0.20% (depending on grade)
Manganese (Mn) 0.25 – 1.65%
Phosphorus (P) ≤ 0.04%
Sulphur (S) ≤ 0.05%
Silicon (Si) ≤ 0.30%

Zinc Coating (Galvanization):

Coating Element Purpose
Zinc (Zn) 100% – Protective coating against corrosion