Overview of Color Coated Galvanized Sheet
When organic coatings are applied to steel sheets, they can come in various colors, leading to the name "color-coated steel sheet," commonly referred to as "color plate" "Color Coated Galvanized Sheet",Prepainted Steel Sheets"or "organic coated steel sheet." Because the coating is applied before the steel sheet is processed and formed, it is also known as "pre-coated steel sheet." The organic coating acts as a protective layer, preventing the steel sheet from rusting and extending its service life.
Base Metals For Prepainted Steel Sheets
The base metals for prepainted steel sheets include cold-rolled steel, HDG electro-galvanized steel, and hot-dip zinc-aluminum-magnesium alloy coated steel. The finish coatings for these sheets can be categorized into several types: polyester, silicon-modified polyester, polyvinylidene fluoride, and high-durability polyester.

Production Process Of Pre-Painted Galvanised Steel Sheets
The production process has evolved from one-coating-and.one-baking to double coating-and-double-baking, and eventhree coatingand-three-baking.
Brief Production Flow of Prepainted color steel sheet

Colors Of Prepainted Galvanised Prepainted Steel Plate
The color of the prepainted steel sheet has a very wide se.lection, like orange, cream-colored, dark sky blue, sea blue,bright red, brick red, ivory white, porcelain blue, etc.
Type and usage of prepainted steel sheet:
| Type of base metal | Steel grade | Grade of base metal | Application |
| Hot-dip zinc coated | TDC51D+Z | DC51D+Z | Normal use |
| TDC52D+Z | DC52D+Z | For drawing | |
| TDC53D+Z | DC53D+Z | For deep drawing | |
| TS220GD+Z | S220GD+Z | /Structure | |
| TS250GD+Z | S250GD+Z | /Structure | |
| TS280GD+Z | S280GD+Z | /Structure | |
| TS320GD+Z | S320GD+Z | /Structure | |
| TS350GD+Z | S350GD+Z | /Structure | |
| TS550GD+Z | S550GD+Z | For high-strength structure | |
| Hot-dip zn-al-mg coated substrate with a low proportion of Al |
TDC51D+ZM | DC51D+ZM | Normal use |
| TDC52D+ZM | DC52D+ZM | For drawing | |
| TDC53D+ZM | DC53D+ZM | For deep drawing | |
| TS220GD+ZM | S220GD+ZM | /Structure | |
| TS250GD+ZM | S250GD+ZM | /Structure | |
| TS280GD+ZM | S280GD+ZM | /Structure | |
| TS320GD+ZM | S320GD+ZM | /Structure | |
| TS350GD+ZM | S350GD+ZM | /Structure | |
| TS550GD+ZM | S550GD+ZM | For high-strength structure | |
Hot-dip alu-zinc alloy coated |
TDC51D+AZ | DC51D+AZ | Normal use |
| TS250GD+AZ | S250GD+AZ | /Structure | |
| TS300GD+AZ | S300GD+AZ | /Structure | |
| TS350GD+AZ | S350GD+AZ | /Structure | |
| TS450GD+AZ | S450GD+AZ | /Structure | |
| TS550GD+AZ | S550GD+AZ | For high-strength structure | |
Electro-galvanized |
TSECC | SECC | Normal use |
| TSECD | SECD | For drawing | |
| TSECE | SECE | For deep drawing | |
Hot-dip aluminum-zinc-magnesium |
TDC51D+AM | DC51D+AM | Normal use |
| TS250GD+AM | S250GD+AM | Structure | |
| TS300GD+AM | S300GD+AM | Structure | |
| TS350GD+AM | S350GD+AM | Structure | |
| TS450GD+AM | S450GD+AM | Structure | |
| TS550GD+AM | S550GD+AM | For high-strength structure |
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