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
specification | JIS3302 ASTM A653 EN10346 |
Costing Mass | JIS G3302 Z12-Z60,A653 G40-G90,A653M Z120-Z600 |
Spangle | Regular spangle, minimized spangle, zero spangle |
Surface treatment | non-treared, chromated, oiled |
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.