Nomally zinc coating is mean hot dipped galvanized,spangles galvanized is hot dipped galvanized,hot dipped has thick coating and better anti-corrosion.
Cold galvanized sheet generally known as electrogalvanizing.That has good and smooth surface, suitable for spraying and resistant fingerprint coating.
Galvanized HS Code is 72104900 and 72104100.
SPCC：Steel Plate Cold Common
SGCC： Steel Galvanized Cold Common
SECC： Steel Electrolytic Cold Common
SUS: Stainless Steel
SGCD: Hardness bigger than HRB 80
SGCC: Hardness around HRB 60.
Zero spangle regular spangle Normal spangle minimized spangle Chromate Passivated Anti-fingerprint Corrosion resistance
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