galvanized elbow, the use of galvanized elbow. The iron pipe connections used for gas and heating are galvanized elbows.
Galvanized elbow is one of the elbows. The surface of the elbow is coated with a layer of zinc to improve the corrosion resistance of the elbow. Galvanized elbows are divided into two types: hot-dip galvanizing and electro-galvanizing. The hot-dip galvanizing layer is thick, the cost of electro-galvanizing is low, and the surface is not very smooth.