0.4MM Thickness hot rolled GI steel galvanized steel coil China factory price

GI Steel Coils Introduction:

Raw material (cold rolled coil)→uncoil→cut at the beginning of the coil→weld the two different coil→spray alkaline washing→alkaline scrubbing→electrolytic degreasing→water washing→hot wind drying→ entry looper →restore an- nealing→dip galvanized zinc coating →control(air knife)→cooling→finishing→strength and tension leveling→drying→ Passivation→export looper→unloading coil→package→storage.

GI Steel Coils Material:

DX51D DX52D 

Application scope: anti-collision guardrails, air supply fans, air ducts, drainage pipes, ceiling brackets, electrical conduits, rolling door pillars, automotive components, electrical equipment, freezers, iron rolling doors, automotive body, structural hardware accessories, etc.