Hot-dip galvanizing is a popular method for steel product galvanizing, so that zinc can be strongly adhered on pipe outside and inside. After galvanizing, steel pipes are not easy oxidized and can serve longer time.
Production flow chart from black steel pipe to galvanized pipe is as follows :
Each step has a certain machine to match
Picking Washing Fluxing Drying Move into zinc kettle Pressing down Main rotation shaft
Clamping Parallel motion device Pull up Outside blowing Pull out Lift up Move out
Inside blowing Cooling Dry in air Passivation Printing marks Packing
Raw material Black steel pipe
Length of Pipe: Usually 6 meters as pipe length, but according to buyer's special need, we can make it 4 meters to 8 meters as Pipe length.
Galvanizing way: Hot Dipped Galvanizing
Zinc bath heating: Resistance heating or fuel heating
Production Capacity (Example)
Others, Paypal, Telegraphic Transfer (T/T), Letter of Credit at Sight (Sight L/C), Letter of Credit (L/C)
Contact us for information regarding our sample policy
Main Export Market(s)
Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia